Spaces:
Runtime error
Runtime error
Creatapp.py
Browse files
app.py
ADDED
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@@ -0,0 +1,1446 @@
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|
| 1 |
+
# -*- coding: utf-8 -*-
|
| 2 |
+
"""SkinToneClassification.ipynb
|
| 3 |
+
|
| 4 |
+
Automatically generated by Colab.
|
| 5 |
+
|
| 6 |
+
Original file is located at
|
| 7 |
+
https://colab.research.google.com/drive/1l-efXmdbhvkKnkvTtvWlzNqunkONzr7i
|
| 8 |
+
|
| 9 |
+
# 1. Setup
|
| 10 |
+
|
| 11 |
+
## 1.1 Installing Necessary Libraries
|
| 12 |
+
"""
|
| 13 |
+
|
| 14 |
+
!pip install git+https://github.com/FacePerceiver/facer.git@main
|
| 15 |
+
!pip install timm
|
| 16 |
+
|
| 17 |
+
!git clone https://github.com/FacePerceiver/facer.git
|
| 18 |
+
|
| 19 |
+
pip install tensorflow-addons
|
| 20 |
+
|
| 21 |
+
pip install keras-tuner
|
| 22 |
+
|
| 23 |
+
pip install git+https://github.com/qubvel/classification_models.git
|
| 24 |
+
|
| 25 |
+
!pip install joblib
|
| 26 |
+
|
| 27 |
+
"""## 1.2 Importing Libraries"""
|
| 28 |
+
|
| 29 |
+
from google.colab import drive
|
| 30 |
+
import os
|
| 31 |
+
from PIL import Image, ImageEnhance, ImageFilter
|
| 32 |
+
import shutil
|
| 33 |
+
import numpy as np
|
| 34 |
+
import matplotlib.pyplot as plt
|
| 35 |
+
import torch
|
| 36 |
+
from torch.utils.data import Dataset, DataLoader
|
| 37 |
+
from torchvision import transforms, utils
|
| 38 |
+
import facer
|
| 39 |
+
from torchvision.transforms.functional import to_pil_image, to_tensor
|
| 40 |
+
from torch import nn, optim
|
| 41 |
+
from torchvision import models
|
| 42 |
+
import torch.nn.functional as F
|
| 43 |
+
from sklearn.svm import SVC
|
| 44 |
+
from sklearn.metrics import accuracy_score
|
| 45 |
+
from sklearn.preprocessing import LabelEncoder
|
| 46 |
+
from sklearn.model_selection import GridSearchCV
|
| 47 |
+
import torch.nn as nn
|
| 48 |
+
import torch.optim as optim
|
| 49 |
+
import torch.nn.functional as F
|
| 50 |
+
from torch.optim.lr_scheduler import StepLR
|
| 51 |
+
import cupy as cp
|
| 52 |
+
from sklearn.metrics import classification_report, accuracy_score
|
| 53 |
+
from sklearn.metrics import f1_score
|
| 54 |
+
from torchsummary import summary
|
| 55 |
+
import seaborn as sns
|
| 56 |
+
from torch.optim.lr_scheduler import ReduceLROnPlateau
|
| 57 |
+
from sklearn.metrics import confusion_matrix, classification_report, accuracy_score
|
| 58 |
+
import cv2
|
| 59 |
+
from sklearn.metrics import precision_score, recall_score, f1_score, accuracy_score
|
| 60 |
+
from torch.optim import Adam
|
| 61 |
+
from collections import defaultdict
|
| 62 |
+
import random
|
| 63 |
+
from sklearn.model_selection import train_test_split
|
| 64 |
+
import itertools
|
| 65 |
+
import tensorflow as tf
|
| 66 |
+
from tensorflow.keras.layers import Layer, Conv2D, BatchNormalization, ReLU, MaxPooling2D, GlobalAveragePooling2D, Dense, Dropout
|
| 67 |
+
from tensorflow.keras import Sequential
|
| 68 |
+
from tensorflow.keras.optimizers import Adam
|
| 69 |
+
from tensorflow.keras.callbacks import EarlyStopping
|
| 70 |
+
from tensorflow.keras.metrics import Precision, Recall
|
| 71 |
+
import tensorflow_addons as tfa
|
| 72 |
+
from tensorflow.keras.utils import to_categorical
|
| 73 |
+
from kerastuner import RandomSearch, Hyperband, Objective
|
| 74 |
+
from tensorflow.keras.callbacks import ReduceLROnPlateau
|
| 75 |
+
from tensorflow.keras.applications import ResNet50
|
| 76 |
+
from tensorflow.keras.layers import Dense, GlobalAveragePooling2D, Input
|
| 77 |
+
from tensorflow.keras.models import Model
|
| 78 |
+
from keras_tuner.tuners import RandomSearch
|
| 79 |
+
from sklearn.metrics import accuracy_score, recall_score, precision_score, f1_score as f1_metric
|
| 80 |
+
import keras_tuner as kt
|
| 81 |
+
from tensorflow.keras.applications import VGG16
|
| 82 |
+
from keras_tuner import HyperParameters
|
| 83 |
+
from tensorflow.keras.regularizers import l2
|
| 84 |
+
from classification_models.tfkeras import Classifiers
|
| 85 |
+
from joblib import dump, load
|
| 86 |
+
|
| 87 |
+
"""# 2. Data Loading
|
| 88 |
+
|
| 89 |
+
## 2.1 Load each dataset
|
| 90 |
+
"""
|
| 91 |
+
|
| 92 |
+
drive.mount('/content/drive')
|
| 93 |
+
|
| 94 |
+
SkinTone_Dataset_Path = '/content/drive/MyDrive/Senior Project/Dataset/Skin Tone Dataset' # SkinTone Dataset
|
| 95 |
+
|
| 96 |
+
"""# 3. Data Preprocessing
|
| 97 |
+
|
| 98 |
+
## 3.1 EDA, cleaning, and splitting.
|
| 99 |
+
"""
|
| 100 |
+
|
| 101 |
+
def convert_to_jpg(directory):
|
| 102 |
+
# Walk through all files and subdirectories in the directory
|
| 103 |
+
for subdir, dirs, files in os.walk(directory):
|
| 104 |
+
for file in files:
|
| 105 |
+
filepath = os.path.join(subdir, file)
|
| 106 |
+
if not filepath.lower().endswith('.jpg'):
|
| 107 |
+
try:
|
| 108 |
+
img = Image.open(filepath)
|
| 109 |
+
# Define the new filename with .jpg extension
|
| 110 |
+
new_filepath = os.path.splitext(filepath)[0] + '.jpg'
|
| 111 |
+
# Convert and save the image under the new file name
|
| 112 |
+
img.convert('RGB').save(new_filepath, 'JPEG')
|
| 113 |
+
# Remove the original file and keep the .jpg version
|
| 114 |
+
os.remove(filepath)
|
| 115 |
+
print(f"Converted and saved {new_filepath}")
|
| 116 |
+
except Exception as e:
|
| 117 |
+
print(f"Failed to convert {filepath}: {e}")
|
| 118 |
+
|
| 119 |
+
#convert_to_jpg(SkinTone_Dataset_Path)
|
| 120 |
+
|
| 121 |
+
def rename_images(dataset_path):
|
| 122 |
+
img_index = 1 # Initialize the counter outside the loop to continue incrementing
|
| 123 |
+
for subdir, dirs, files in os.walk(dataset_path):
|
| 124 |
+
class_name = os.path.basename(subdir) # Get the class name from the directory name
|
| 125 |
+
if class_name:
|
| 126 |
+
print(f"Processing {subdir}...")
|
| 127 |
+
for file in files:
|
| 128 |
+
filepath = os.path.join(subdir, file)
|
| 129 |
+
if filepath.lower().endswith('.jpg'):
|
| 130 |
+
new_filename = f"{img_index}_{class_name}.jpg"
|
| 131 |
+
new_filepath = os.path.join(subdir, new_filename)
|
| 132 |
+
try:
|
| 133 |
+
os.rename(filepath, new_filepath) # Rename the file
|
| 134 |
+
print(f"Renamed {filepath} to {new_filepath}")
|
| 135 |
+
img_index += 1 # Increment the index for each file processed
|
| 136 |
+
except Exception as e:
|
| 137 |
+
print(f"Failed to rename {filepath}: {e}")
|
| 138 |
+
else:
|
| 139 |
+
print(f"Skipped {filepath} (not a .jpg)")
|
| 140 |
+
|
| 141 |
+
#rename_images(SkinTone_Dataset_Path)
|
| 142 |
+
|
| 143 |
+
def collect_images(base_path):
|
| 144 |
+
all_images = []
|
| 145 |
+
for root, dirs, files in os.walk(base_path):
|
| 146 |
+
for file in files:
|
| 147 |
+
if file.lower().endswith(('.png', '.jpg', '.jpeg')):
|
| 148 |
+
all_images.append(os.path.join(root, file))
|
| 149 |
+
return all_images
|
| 150 |
+
|
| 151 |
+
class SkinToneDataset(Dataset):
|
| 152 |
+
def __init__(self, image_paths, labels, transform=None):
|
| 153 |
+
self.image_paths = image_paths
|
| 154 |
+
self.labels = labels
|
| 155 |
+
self.transform = transform
|
| 156 |
+
self.class_to_index = {class_name: index for index, class_name in enumerate(sorted(set(labels)))}
|
| 157 |
+
|
| 158 |
+
def __getitem__(self, idx):
|
| 159 |
+
image_path = self.image_paths[idx]
|
| 160 |
+
image = Image.open(image_path).convert('RGB')
|
| 161 |
+
if self.transform:
|
| 162 |
+
image = self.transform(image)
|
| 163 |
+
|
| 164 |
+
label = self.class_to_index[self.labels[idx]] # Convert class name to integer
|
| 165 |
+
return image, label
|
| 166 |
+
|
| 167 |
+
def __len__(self):
|
| 168 |
+
return len(self.image_paths)
|
| 169 |
+
|
| 170 |
+
def get_train_transforms():
|
| 171 |
+
"""Define and return a series of transformations for the training set."""
|
| 172 |
+
return transforms.Compose([
|
| 173 |
+
transforms.Resize((256, 256)), # Resize all images to the same size
|
| 174 |
+
transforms.ToTensor(), # Convert images to tensor
|
| 175 |
+
])
|
| 176 |
+
|
| 177 |
+
def get_val_test_transforms():
|
| 178 |
+
"""Define and return a series of transformations for the validation and test set."""
|
| 179 |
+
return transforms.Compose([
|
| 180 |
+
transforms.Resize((256, 256)), # resize to ensure consistency
|
| 181 |
+
transforms.ToTensor(), # Convert to tensor for model compatibility
|
| 182 |
+
])
|
| 183 |
+
|
| 184 |
+
def get_label_from_filename(image_path):
|
| 185 |
+
# Split the filename and extract the class part
|
| 186 |
+
filename = os.path.basename(image_path)
|
| 187 |
+
label = filename.split('_')[1].split('.')[0]
|
| 188 |
+
return label
|
| 189 |
+
|
| 190 |
+
def plot_class_distribution(base_path, start_class=1, end_class=9):
|
| 191 |
+
class_counts = {}
|
| 192 |
+
classes = sorted(os.listdir(base_path))[start_class-1:end_class]
|
| 193 |
+
|
| 194 |
+
for class_name in classes:
|
| 195 |
+
class_dir = os.path.join(base_path, class_name)
|
| 196 |
+
class_counts[class_name] = len(os.listdir(class_dir))
|
| 197 |
+
|
| 198 |
+
plt.figure(figsize=(10, 8))
|
| 199 |
+
plt.bar(class_counts.keys(), class_counts.values(), color='skyblue')
|
| 200 |
+
plt.xlabel('Classes')
|
| 201 |
+
plt.ylabel('Number of Images')
|
| 202 |
+
plt.title('Distribution of Classes ')
|
| 203 |
+
plt.xticks(rotation=45)
|
| 204 |
+
plt.show()
|
| 205 |
+
|
| 206 |
+
plot_class_distribution(SkinTone_Dataset_Path)
|
| 207 |
+
|
| 208 |
+
def display_sample_images(base_path, start_class=1, end_class=9):
|
| 209 |
+
classes = sorted(os.listdir(base_path)) # Sort and list all classes
|
| 210 |
+
selected_classes = classes[start_class-1:end_class] # Select classes from 1 to 9
|
| 211 |
+
num_classes = len(selected_classes)
|
| 212 |
+
fig, axes = plt.subplots(nrows=1, ncols=num_classes, figsize=(num_classes * 2, 4))
|
| 213 |
+
fig.suptitle('One Sample Image from Each Class', fontsize=16)
|
| 214 |
+
|
| 215 |
+
for i, class_name in enumerate(selected_classes):
|
| 216 |
+
class_dir = os.path.join(base_path, class_name)
|
| 217 |
+
sample_image = np.random.choice(os.listdir(class_dir), 1)[0] # Randomly pick one sample image
|
| 218 |
+
img_path = os.path.join(class_dir, sample_image)
|
| 219 |
+
img = Image.open(img_path).convert('RGB')
|
| 220 |
+
ax = axes[i]
|
| 221 |
+
ax.imshow(img)
|
| 222 |
+
ax.axis('off')
|
| 223 |
+
ax.set_title(class_name)
|
| 224 |
+
|
| 225 |
+
plt.tight_layout(rect=[0, 0.03, 1, 0.95])
|
| 226 |
+
plt.show()
|
| 227 |
+
|
| 228 |
+
display_sample_images(SkinTone_Dataset_Path)
|
| 229 |
+
|
| 230 |
+
processed_images_dir = '/content/drive/MyDrive/Senior Project/Dataset/processed_images'
|
| 231 |
+
os.makedirs(processed_images_dir, exist_ok=True)
|
| 232 |
+
|
| 233 |
+
"""### Step 1: Set up the device and initialize face detection and parsing
|
| 234 |
+
|
| 235 |
+
```
|
| 236 |
+
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
|
| 237 |
+
face_detector = facer.face_detector('retinaface/mobilenet', device=device)
|
| 238 |
+
face_parser = facer.face_parser('farl/lapa/448', device=device)
|
| 239 |
+
```
|
| 240 |
+
|
| 241 |
+
|
| 242 |
+
|
| 243 |
+
### Step 2: Collect all image paths
|
| 244 |
+
|
| 245 |
+
```
|
| 246 |
+
all_images = collect_images(SkinTone_Dataset_Path)
|
| 247 |
+
```
|
| 248 |
+
|
| 249 |
+
|
| 250 |
+
### Step 3: Process images to detect and parse faces
|
| 251 |
+
|
| 252 |
+
```
|
| 253 |
+
processed_images = []
|
| 254 |
+
dataset_path = SkinTone_Dataset_Path
|
| 255 |
+
|
| 256 |
+
for image_path in all_images:
|
| 257 |
+
image_name = os.path.basename(image_path)
|
| 258 |
+
image_data = facer.read_hwc(image_path) # Check what type of data this function returns
|
| 259 |
+
|
| 260 |
+
if image_data is None:
|
| 261 |
+
print(f"Could not read image {image_name}")
|
| 262 |
+
continue
|
| 263 |
+
|
| 264 |
+
# Check if the data is a tensor and adjust dimensions for PyTorch if needed
|
| 265 |
+
if torch.is_tensor(image_data):
|
| 266 |
+
# Assuming image_data is already in CHW format but check your facer.read_hwc() function documentation
|
| 267 |
+
if image_data.shape[0] != 3: # Expecting C, H, W format, C should be 3 for RGB
|
| 268 |
+
image_tensor = image_data.permute(2, 0, 1) # Convert from HWC to CHW if necessary
|
| 269 |
+
else:
|
| 270 |
+
image_tensor = image_data
|
| 271 |
+
image_tensor = image_tensor.unsqueeze(0).to(device) # Add batch dimension and move to device
|
| 272 |
+
elif isinstance(image_data, np.ndarray):
|
| 273 |
+
# If it's a numpy array, convert to tensor
|
| 274 |
+
image_tensor = torch.from_numpy(image_data.astype('float32')).permute(2, 0, 1).unsqueeze(0).to(device)
|
| 275 |
+
else:
|
| 276 |
+
print(f"Unknown data type for image {image_name}: {type(image_data)}")
|
| 277 |
+
continue
|
| 278 |
+
|
| 279 |
+
with torch.inference_mode():
|
| 280 |
+
try:
|
| 281 |
+
faces = face_detector(image_tensor) # Pass the correctly shaped tensor to the face detector
|
| 282 |
+
|
| 283 |
+
if faces:
|
| 284 |
+
parsed_faces = face_parser(image_tensor, faces)
|
| 285 |
+
|
| 286 |
+
if 'seg' in parsed_faces:
|
| 287 |
+
seg_logits = parsed_faces['seg']['logits']
|
| 288 |
+
seg_probs = torch.sigmoid(seg_logits)
|
| 289 |
+
binary_mask = seg_probs[0, 1, :, :] > 0.5 # Accessing first image, second channel
|
| 290 |
+
binary_mask = binary_mask.cpu().numpy()
|
| 291 |
+
|
| 292 |
+
# Create a 3-channel binary mask for the RGB image
|
| 293 |
+
binary_mask_3d = np.repeat(binary_mask[:, :, np.newaxis], 3, axis=2)
|
| 294 |
+
|
| 295 |
+
# Apply the mask to the original image to extract the skin region
|
| 296 |
+
skin_region = image_data.cpu().numpy() * binary_mask_3d # Convert tensor to numpy if needed
|
| 297 |
+
|
| 298 |
+
# Convert the result to uint8 format for saving as an image
|
| 299 |
+
skin_region_uint8 = skin_region.astype(np.uint8)
|
| 300 |
+
|
| 301 |
+
# Save the processed skin region image to disk
|
| 302 |
+
processed_image_path = os.path.join(processed_images_dir, image_name)
|
| 303 |
+
Image.fromarray(skin_region_uint8).save(processed_image_path)
|
| 304 |
+
|
| 305 |
+
# Add the path of the saved image to processed_images
|
| 306 |
+
processed_images.append(processed_image_path)
|
| 307 |
+
except RuntimeError as e:
|
| 308 |
+
print(f"Error processing {image_name}: {str(e)}")
|
| 309 |
+
```
|
| 310 |
+
"""
|
| 311 |
+
|
| 312 |
+
def stratified_split_dataset(all_images, train_size=0.8, val_size=0.1, test_size=0.1):
|
| 313 |
+
"""Split the dataset into training, validation, and testing sets in a stratified manner."""
|
| 314 |
+
label_to_images = {}
|
| 315 |
+
for image in all_images:
|
| 316 |
+
label = get_label_from_filename(image)
|
| 317 |
+
if label in label_to_images:
|
| 318 |
+
label_to_images[label].append(image)
|
| 319 |
+
else:
|
| 320 |
+
label_to_images[label] = [image]
|
| 321 |
+
|
| 322 |
+
train_images = []
|
| 323 |
+
val_images = []
|
| 324 |
+
test_images = []
|
| 325 |
+
train_labels = []
|
| 326 |
+
val_labels = []
|
| 327 |
+
test_labels = []
|
| 328 |
+
|
| 329 |
+
for label, images in label_to_images.items():
|
| 330 |
+
np.random.shuffle(images)
|
| 331 |
+
total_images = len(images)
|
| 332 |
+
train_end = int(train_size * total_images)
|
| 333 |
+
val_end = train_end + int(val_size * total_images)
|
| 334 |
+
|
| 335 |
+
train_images.extend(images[:train_end])
|
| 336 |
+
val_images.extend(images[train_end:val_end])
|
| 337 |
+
test_images.extend(images[val_end:])
|
| 338 |
+
|
| 339 |
+
# Append corresponding labels
|
| 340 |
+
train_labels.extend([label] * len(images[:train_end]))
|
| 341 |
+
val_labels.extend([label] * len(images[train_end:val_end]))
|
| 342 |
+
test_labels.extend([label] * len(images[val_end:]))
|
| 343 |
+
|
| 344 |
+
return (train_images, train_labels), (val_images, val_labels), (test_images, test_labels)
|
| 345 |
+
|
| 346 |
+
# Step 4: Split the processed images
|
| 347 |
+
processed_images = collect_images(processed_images_dir)
|
| 348 |
+
(train_images, train_labels), (val_images, val_labels), (test_images, test_labels) = stratified_split_dataset(processed_images)
|
| 349 |
+
|
| 350 |
+
|
| 351 |
+
# Step 5: Define transformations for datasets
|
| 352 |
+
train_transforms = get_train_transforms()
|
| 353 |
+
val_test_transforms = get_val_test_transforms()
|
| 354 |
+
|
| 355 |
+
# Step 6: Create datasets with the face detector and parser
|
| 356 |
+
train_dataset = SkinToneDataset(train_images, train_labels, transform=train_transforms)
|
| 357 |
+
val_dataset = SkinToneDataset(val_images, val_labels, transform=val_test_transforms)
|
| 358 |
+
test_dataset = SkinToneDataset(test_images, test_labels, transform=val_test_transforms)
|
| 359 |
+
|
| 360 |
+
# Step 7: Create DataLoaders
|
| 361 |
+
train_loader = DataLoader(train_dataset, batch_size=32, shuffle=True)
|
| 362 |
+
val_loader = DataLoader(val_dataset, batch_size=32, shuffle=False)
|
| 363 |
+
test_loader = DataLoader(test_dataset, batch_size=32, shuffle=False)
|
| 364 |
+
|
| 365 |
+
print(f"Total processed images: {len(processed_images)}")
|
| 366 |
+
print(f"Training images: {len(train_images)}")
|
| 367 |
+
print(f"Validation images: {len(val_images)}")
|
| 368 |
+
print(f"Testing images: {len(test_images)}")
|
| 369 |
+
|
| 370 |
+
def count_labels(image_paths):
|
| 371 |
+
"""Count occurrences of each label in a list of image paths."""
|
| 372 |
+
label_count = {}
|
| 373 |
+
for path in image_paths:
|
| 374 |
+
label = get_label_from_filename(path)
|
| 375 |
+
if label in label_count:
|
| 376 |
+
label_count[label] += 1
|
| 377 |
+
else:
|
| 378 |
+
label_count[label] = 1
|
| 379 |
+
return label_count
|
| 380 |
+
|
| 381 |
+
train_counts = count_labels(train_images)
|
| 382 |
+
val_counts = count_labels(val_images)
|
| 383 |
+
test_counts = count_labels(test_images)
|
| 384 |
+
|
| 385 |
+
print("Training set counts:")
|
| 386 |
+
for label, count in train_counts.items():
|
| 387 |
+
print(f"Label: {label}, Count: {count}")
|
| 388 |
+
|
| 389 |
+
print("\nValidation set counts:")
|
| 390 |
+
for label, count in val_counts.items():
|
| 391 |
+
print(f"Label: {label}, Count: {count}")
|
| 392 |
+
|
| 393 |
+
print("\nTest set counts:")
|
| 394 |
+
for label, count in test_counts.items():
|
| 395 |
+
print(f"Label: {label}, Count: {count}")
|
| 396 |
+
|
| 397 |
+
def plot_images_from_loader(loader, num_images):
|
| 398 |
+
dataiter = iter(loader)
|
| 399 |
+
images, labels = next(dataiter)
|
| 400 |
+
|
| 401 |
+
figure_width = num_images * 2
|
| 402 |
+
figure_height = 3
|
| 403 |
+
fig = plt.figure(figsize=(figure_width, figure_height))
|
| 404 |
+
|
| 405 |
+
for i in range(num_images):
|
| 406 |
+
if i >= images.size(0):
|
| 407 |
+
break
|
| 408 |
+
|
| 409 |
+
left = i / num_images
|
| 410 |
+
bottom = 0.1
|
| 411 |
+
width = 1 / num_images
|
| 412 |
+
height = 0.8
|
| 413 |
+
ax = fig.add_axes([left, bottom, width, height])
|
| 414 |
+
|
| 415 |
+
img = to_pil_image(images[i])
|
| 416 |
+
ax.imshow(img)
|
| 417 |
+
ax.set_title(f'Image {i}, Label: {labels[i]}')
|
| 418 |
+
ax.axis('off')
|
| 419 |
+
|
| 420 |
+
plt.show()
|
| 421 |
+
|
| 422 |
+
plot_images_from_loader(train_loader, num_images=10)
|
| 423 |
+
|
| 424 |
+
"""####Here is after reducing the number of classes from 9 to 4"""
|
| 425 |
+
|
| 426 |
+
def reorganize_dataset(source_dir, target_dir, class_mapping):
|
| 427 |
+
if not os.path.exists(target_dir):
|
| 428 |
+
os.makedirs(target_dir)
|
| 429 |
+
|
| 430 |
+
# a dictionary to hold the image paths for each new class
|
| 431 |
+
new_class_images = defaultdict(list)
|
| 432 |
+
|
| 433 |
+
# Iterate over all files in the source directory
|
| 434 |
+
for filename in os.listdir(source_dir):
|
| 435 |
+
if filename.endswith(('.png', '.jpg', '.jpeg')):
|
| 436 |
+
# Extract class from filename, stripping non-numeric characters
|
| 437 |
+
class_label = ''.join(filter(str.isdigit, filename.split('_')[1]))
|
| 438 |
+
# Determine new class based on mapping
|
| 439 |
+
for new_class, old_classes in class_mapping.items():
|
| 440 |
+
if int(class_label) in old_classes:
|
| 441 |
+
new_class_images[new_class].append(os.path.join(source_dir, filename))
|
| 442 |
+
break
|
| 443 |
+
|
| 444 |
+
# For each new class, copy images until we reach the desired number
|
| 445 |
+
for new_class, images in new_class_images.items():
|
| 446 |
+
class_dir = os.path.join(target_dir, str(new_class))
|
| 447 |
+
if not os.path.exists(class_dir):
|
| 448 |
+
os.makedirs(class_dir)
|
| 449 |
+
|
| 450 |
+
# Randomize the image list and copy the first 1000
|
| 451 |
+
random.shuffle(images)
|
| 452 |
+
for i in range(min(1000, len(images))):
|
| 453 |
+
shutil.copy2(images[i], class_dir)
|
| 454 |
+
|
| 455 |
+
# Mapping of original classes to new classes
|
| 456 |
+
class_mapping = {
|
| 457 |
+
'1': [2, 3, 4],
|
| 458 |
+
'2': [5, 6],
|
| 459 |
+
'3': [7, 8],
|
| 460 |
+
'4': [9, 10],
|
| 461 |
+
}
|
| 462 |
+
|
| 463 |
+
source_dataset_folder = processed_images_dir
|
| 464 |
+
target_dataset_folder = '/content/drive/MyDrive/Senior Project/Dataset/reorganized_dataset'
|
| 465 |
+
os.makedirs(target_dataset_folder, exist_ok=True)
|
| 466 |
+
|
| 467 |
+
#reorganize_dataset(source_dataset_folder, target_dataset_folder, class_mapping)
|
| 468 |
+
|
| 469 |
+
def rename_images_in_folders(target_dataset_folder):
|
| 470 |
+
|
| 471 |
+
for class_folder in os.listdir(target_dataset_folder):
|
| 472 |
+
class_folder_path = os.path.join(target_dataset_folder, class_folder)
|
| 473 |
+
if os.path.isdir(class_folder_path):
|
| 474 |
+
# New class is determined by the folder name
|
| 475 |
+
new_class_label = class_folder
|
| 476 |
+
|
| 477 |
+
# Rename each image in the class folder
|
| 478 |
+
for filename in os.listdir(class_folder_path):
|
| 479 |
+
if filename.endswith(('.png', '.jpg', '.jpeg')):
|
| 480 |
+
|
| 481 |
+
parts = filename.split('_')
|
| 482 |
+
# Check if there are sufficient parts to rename
|
| 483 |
+
if len(parts) == 2:
|
| 484 |
+
prefix = parts[0]
|
| 485 |
+
suffix = parts[1]
|
| 486 |
+
# Split the second part to isolate the extension
|
| 487 |
+
class_and_extension = suffix.split('.')
|
| 488 |
+
if len(class_and_extension) == 2:
|
| 489 |
+
extension = class_and_extension[1]
|
| 490 |
+
# Construct new filename using new class label and extension
|
| 491 |
+
new_filename = f"{prefix}_{new_class_label}.{extension}"
|
| 492 |
+
old_path = os.path.join(class_folder_path, filename)
|
| 493 |
+
new_path = os.path.join(class_folder_path, new_filename)
|
| 494 |
+
print(f"Renaming {old_path} to {new_path}") # Debugging output
|
| 495 |
+
os.rename(old_path, new_path)
|
| 496 |
+
else:
|
| 497 |
+
print(f"Error parsing extension from {filename}")
|
| 498 |
+
else:
|
| 499 |
+
print(f"Unexpected filename structure: {filename}")
|
| 500 |
+
else:
|
| 501 |
+
print(f"Skipping file due to incorrect format: {filename}")
|
| 502 |
+
|
| 503 |
+
|
| 504 |
+
#rename_images_in_folders(target_dataset_folder)
|
| 505 |
+
|
| 506 |
+
def stratified_split_dataset_after_red_classes(root_dir, train_size=0.8, val_size=0.1, test_size=0.1):
|
| 507 |
+
"""
|
| 508 |
+
Split the dataset into training, validation, and testing sets in a stratified manner
|
| 509 |
+
after the classes have been reduced and organized into folders.
|
| 510 |
+
"""
|
| 511 |
+
label_to_images = {}
|
| 512 |
+
train_images, val_images, test_images = [], [], []
|
| 513 |
+
train_labels, val_labels, test_labels = [], [], []
|
| 514 |
+
|
| 515 |
+
# Collect all image paths and their labels
|
| 516 |
+
for label in os.listdir(root_dir):
|
| 517 |
+
label_path = os.path.join(root_dir, label)
|
| 518 |
+
if os.path.isdir(label_path): # to make sure it's a directory
|
| 519 |
+
images = [os.path.join(label_path, img) for img in os.listdir(label_path)
|
| 520 |
+
if img.endswith(('.png', '.jpg', '.jpeg'))]
|
| 521 |
+
label_to_images[label] = images
|
| 522 |
+
|
| 523 |
+
# Split the images for each label
|
| 524 |
+
for label, images in label_to_images.items():
|
| 525 |
+
|
| 526 |
+
X_train, X_val_test = train_test_split(images, train_size=train_size, stratify=None, random_state=42)
|
| 527 |
+
X_val, X_test = train_test_split(X_val_test, train_size=val_size / (val_size + test_size), stratify=None, random_state=42)
|
| 528 |
+
|
| 529 |
+
train_images.extend(X_train)
|
| 530 |
+
val_images.extend(X_val)
|
| 531 |
+
test_images.extend(X_test)
|
| 532 |
+
|
| 533 |
+
# Append corresponding labels
|
| 534 |
+
train_labels.extend([label] * len(X_train))
|
| 535 |
+
val_labels.extend([label] * len(X_val))
|
| 536 |
+
test_labels.extend([label] * len(X_test))
|
| 537 |
+
|
| 538 |
+
return (train_images, train_labels), (val_images, val_labels), (test_images, test_labels)
|
| 539 |
+
|
| 540 |
+
# Split the processed images
|
| 541 |
+
target_dataset_folder = '/content/drive/MyDrive/Senior Project/Dataset/reorganized_dataset'
|
| 542 |
+
dir_AfterRedClasses = target_dataset_folder
|
| 543 |
+
(train_images2, train_labels2), (val_images2, val_labels2), (test_images2, test_labels2) = stratified_split_dataset_after_red_classes(dir_AfterRedClasses)
|
| 544 |
+
|
| 545 |
+
|
| 546 |
+
# Define transformations for datasets
|
| 547 |
+
train_transforms = get_train_transforms()
|
| 548 |
+
val_test_transforms = get_val_test_transforms()
|
| 549 |
+
|
| 550 |
+
# Create datasets with the face detector and parser
|
| 551 |
+
|
| 552 |
+
train_dataset2 = SkinToneDataset(train_images2, train_labels2, transform=train_transforms)
|
| 553 |
+
val_dataset2 = SkinToneDataset(val_images2, val_labels2, transform=val_test_transforms)
|
| 554 |
+
test_dataset2 = SkinToneDataset(test_images2, test_labels2, transform=val_test_transforms)
|
| 555 |
+
|
| 556 |
+
# Create DataLoaders
|
| 557 |
+
train_loader2 = DataLoader(train_dataset2, batch_size=32, shuffle=True)
|
| 558 |
+
val_loader2 = DataLoader(val_dataset2, batch_size=32, shuffle=False)
|
| 559 |
+
test_loader2 = DataLoader(test_dataset2, batch_size=32, shuffle=False)
|
| 560 |
+
|
| 561 |
+
print(f"Total processed images: {len(train_images2)+len(val_images2)+len(test_images2)}")
|
| 562 |
+
print(f"Training images: {len(train_images2)}")
|
| 563 |
+
print(f"Validation images: {len(val_images2)}")
|
| 564 |
+
print(f"Testing images: {len(test_images2)}")
|
| 565 |
+
|
| 566 |
+
def count_labels2(image_paths):
|
| 567 |
+
"""Count occurrences of each label in a list of image paths."""
|
| 568 |
+
label_count = defaultdict(int)
|
| 569 |
+
for path in image_paths:
|
| 570 |
+
# Extract the class label from the filename
|
| 571 |
+
filename = os.path.basename(path)
|
| 572 |
+
label = filename.split('_')[1]
|
| 573 |
+
label_count[label] += 1
|
| 574 |
+
return label_count
|
| 575 |
+
|
| 576 |
+
train_counts2 = count_labels2(train_images2)
|
| 577 |
+
val_counts = count_labels2(val_images2)
|
| 578 |
+
test_counts = count_labels2(test_images2)
|
| 579 |
+
|
| 580 |
+
print("Training set counts:")
|
| 581 |
+
for label, count in train_counts2.items():
|
| 582 |
+
print(f"Label: {label}, Count: {count}")
|
| 583 |
+
|
| 584 |
+
print("\nValidation set counts:")
|
| 585 |
+
for label, count in val_counts.items():
|
| 586 |
+
print(f"Label: {label}, Count: {count}")
|
| 587 |
+
|
| 588 |
+
print("\nTest set counts:")
|
| 589 |
+
for label, count in test_counts.items():
|
| 590 |
+
print(f"Label: {label}, Count: {count}")
|
| 591 |
+
|
| 592 |
+
plot_images_from_loader(train_loader2, num_images=10)
|
| 593 |
+
|
| 594 |
+
def load_images_and_labels(image_paths, labels, target_size):
|
| 595 |
+
images = []
|
| 596 |
+
label_indices = []
|
| 597 |
+
unique_labels = sorted(set(labels))
|
| 598 |
+
num_classes = len(unique_labels)
|
| 599 |
+
label_to_index = {label: idx for idx, label in enumerate(unique_labels)}
|
| 600 |
+
|
| 601 |
+
for image_path, label in zip(image_paths, labels):
|
| 602 |
+
img = Image.open(image_path).convert('RGB')
|
| 603 |
+
img = img.resize(target_size)
|
| 604 |
+
images.append(np.array(img))
|
| 605 |
+
label_indices.append(label_to_index[label]) # store the label index in a separate list
|
| 606 |
+
|
| 607 |
+
images = np.array(images, dtype='float32') / 255.0
|
| 608 |
+
label_indices = np.array(label_indices, dtype='int32')
|
| 609 |
+
labels = to_categorical(label_indices, num_classes=num_classes)
|
| 610 |
+
return images, labels
|
| 611 |
+
|
| 612 |
+
"""# 4. Model Training and Evaluation
|
| 613 |
+
|
| 614 |
+
## 4.1 Define model architecture, train on datasets.
|
| 615 |
+
|
| 616 |
+
### 4.1.1 First model (CNN: ResNet architecture "Transfer Learning")
|
| 617 |
+
"""
|
| 618 |
+
|
| 619 |
+
(train_images2, train_labels2), (val_images2, val_labels2), (test_images2, test_labels2) = stratified_split_dataset_after_red_classes(dir_AfterRedClasses)
|
| 620 |
+
X_train, Y_train = load_images_and_labels(train_images2, train_labels2, target_size=(128, 128))
|
| 621 |
+
X_val, Y_val = load_images_and_labels(val_images2, val_labels2, target_size=(128, 128))
|
| 622 |
+
|
| 623 |
+
"""####ResNet50
|
| 624 |
+
|
| 625 |
+
#####hyperparameter tuning
|
| 626 |
+
"""
|
| 627 |
+
|
| 628 |
+
def build_model(hp):
|
| 629 |
+
base_model = ResNet50(include_top=False, input_shape=(128, 128, 3))
|
| 630 |
+
x = GlobalAveragePooling2D()(base_model.output)
|
| 631 |
+
# Apply L2 regularization to the new Dense layer
|
| 632 |
+
x = Dense(hp.Int('units', min_value=32, max_value=512, step=32), activation='relu', kernel_regularizer=l2(0.01))(x)
|
| 633 |
+
predictions = Dense(4, activation='softmax', kernel_regularizer=l2(0.01))(x)
|
| 634 |
+
model = Model(inputs=base_model.input, outputs=predictions)
|
| 635 |
+
model.compile(optimizer=tf.keras.optimizers.Adam(hp.Float('learning_rate', min_value=1e-5, max_value=1e-2, sampling='LOG')),
|
| 636 |
+
loss='categorical_crossentropy',
|
| 637 |
+
metrics=['accuracy', Precision(), Recall(), tfa.metrics.F1Score(num_classes=4, average='macro')])
|
| 638 |
+
return model
|
| 639 |
+
|
| 640 |
+
lr_scheduler = ReduceLROnPlateau(
|
| 641 |
+
monitor='val_loss',
|
| 642 |
+
factor=0.5,
|
| 643 |
+
patience=3
|
| 644 |
+
)
|
| 645 |
+
|
| 646 |
+
tuner = RandomSearch(
|
| 647 |
+
build_model,
|
| 648 |
+
objective='val_accuracy',
|
| 649 |
+
max_trials=20,
|
| 650 |
+
executions_per_trial=1,
|
| 651 |
+
directory='my_dir',
|
| 652 |
+
project_name='hyperparam_tuning'
|
| 653 |
+
)
|
| 654 |
+
|
| 655 |
+
tuner.search(
|
| 656 |
+
x=X_train,
|
| 657 |
+
y=Y_train,
|
| 658 |
+
epochs=10,
|
| 659 |
+
validation_data=(X_val, Y_val),
|
| 660 |
+
callbacks=[EarlyStopping(monitor='val_accuracy', patience=2), lr_scheduler]
|
| 661 |
+
)
|
| 662 |
+
best_model = tuner.get_best_models(num_models=1)[0]
|
| 663 |
+
best_hyperparameters = tuner.get_best_hyperparameters(num_trials=1)[0]
|
| 664 |
+
|
| 665 |
+
print("Best model summary:")
|
| 666 |
+
best_model.summary()
|
| 667 |
+
print("Best hyperparameters:", best_hyperparameters.values)
|
| 668 |
+
|
| 669 |
+
"""#####Train with best hyperparameters"""
|
| 670 |
+
|
| 671 |
+
def rebuild_best_model(best_hyperparameters):
|
| 672 |
+
hp = HyperParameters()
|
| 673 |
+
hp.Int('units', min_value=32, max_value=512, step=32, default=best_hyperparameters['units'])
|
| 674 |
+
model = build_model(hp)
|
| 675 |
+
return model
|
| 676 |
+
# Rebuild the best model
|
| 677 |
+
best_hyperparameters= {'units': 480, 'learning_rate': 1.4547542034522853e-05}
|
| 678 |
+
best_model = rebuild_best_model(best_hyperparameters)
|
| 679 |
+
|
| 680 |
+
# Configure the callbacks
|
| 681 |
+
early_stopper = EarlyStopping(monitor='val_accuracy', patience=10, restore_best_weights=True)
|
| 682 |
+
lr_scheduler = ReduceLROnPlateau(
|
| 683 |
+
monitor='val_loss',
|
| 684 |
+
factor=0.1,
|
| 685 |
+
patience=5,
|
| 686 |
+
verbose=1
|
| 687 |
+
)
|
| 688 |
+
|
| 689 |
+
# Fit the model with a larger number of epochs
|
| 690 |
+
history = best_model.fit(
|
| 691 |
+
x=X_train,
|
| 692 |
+
y=Y_train,
|
| 693 |
+
epochs=50,
|
| 694 |
+
validation_data=(X_val, Y_val),
|
| 695 |
+
callbacks=[early_stopper, lr_scheduler]
|
| 696 |
+
)
|
| 697 |
+
|
| 698 |
+
print(history.history.keys())
|
| 699 |
+
|
| 700 |
+
# Retrieve metrics data using the correct keys
|
| 701 |
+
accuracy = history.history.get('accuracy', [])
|
| 702 |
+
val_accuracy = history.history.get('val_accuracy', [])
|
| 703 |
+
precision = history.history.get('precision_6', []) # Updated to match the key
|
| 704 |
+
val_precision = history.history.get('val_precision_6', [])
|
| 705 |
+
recall = history.history.get('recall_6', []) # Updated to match the key
|
| 706 |
+
val_recall = history.history.get('val_recall_6', [])
|
| 707 |
+
f1_score = history.history.get('f1_score', [])
|
| 708 |
+
val_f1_score = history.history.get('val_f1_score', [])
|
| 709 |
+
|
| 710 |
+
# Determine the range of epochs
|
| 711 |
+
epochs_range = range(1, len(accuracy) + 1)
|
| 712 |
+
|
| 713 |
+
plt.figure(figsize=(14, 10))
|
| 714 |
+
plt.suptitle('Training and Validation Metrics')
|
| 715 |
+
|
| 716 |
+
# Plot accuracy
|
| 717 |
+
if accuracy and val_accuracy:
|
| 718 |
+
plt.subplot(2, 2, 1)
|
| 719 |
+
plt.plot(epochs_range, accuracy, label='Training Accuracy')
|
| 720 |
+
plt.plot(epochs_range, val_accuracy, label='Validation Accuracy')
|
| 721 |
+
plt.title('Accuracy')
|
| 722 |
+
plt.xlabel('Epochs')
|
| 723 |
+
plt.ylabel('Accuracy')
|
| 724 |
+
plt.legend()
|
| 725 |
+
|
| 726 |
+
# Plot precision
|
| 727 |
+
if precision and val_precision:
|
| 728 |
+
plt.subplot(2, 2, 2)
|
| 729 |
+
plt.plot(epochs_range, precision, label='Training Precision')
|
| 730 |
+
plt.plot(epochs_range, val_precision, label='Validation Precision')
|
| 731 |
+
plt.title('Precision')
|
| 732 |
+
plt.xlabel('Epochs')
|
| 733 |
+
plt.ylabel('Precision')
|
| 734 |
+
plt.legend()
|
| 735 |
+
|
| 736 |
+
# Plot recall
|
| 737 |
+
if recall and val_recall:
|
| 738 |
+
plt.subplot(2, 2, 3)
|
| 739 |
+
plt.plot(epochs_range, recall, label='Training Recall')
|
| 740 |
+
plt.plot(epochs_range, val_recall, label='Validation Recall')
|
| 741 |
+
plt.title('Recall')
|
| 742 |
+
plt.xlabel('Epochs')
|
| 743 |
+
plt.ylabel('Recall')
|
| 744 |
+
plt.legend()
|
| 745 |
+
|
| 746 |
+
# Plot F1-score
|
| 747 |
+
if f1_score and val_f1_score:
|
| 748 |
+
plt.subplot(2, 2, 4)
|
| 749 |
+
plt.plot(epochs_range, f1_score, label='Training F1 Score')
|
| 750 |
+
plt.plot(epochs_range, val_f1_score, label='Validation F1 Score')
|
| 751 |
+
plt.title('F1 Score')
|
| 752 |
+
plt.xlabel('Epochs')
|
| 753 |
+
plt.ylabel('F1 Score')
|
| 754 |
+
plt.legend()
|
| 755 |
+
|
| 756 |
+
plt.tight_layout(rect=[0, 0.03, 1, 0.95])
|
| 757 |
+
plt.show()
|
| 758 |
+
|
| 759 |
+
"""#####Evaluate the model"""
|
| 760 |
+
|
| 761 |
+
X_test, Y_test = load_images_and_labels(test_images2, test_labels2, target_size=(128, 128))
|
| 762 |
+
scores = best_model.evaluate(X_test, Y_test, verbose=1)
|
| 763 |
+
print(f"Test Loss: {scores[0]}")
|
| 764 |
+
print(f"Test Accuracy: {scores[1]}")
|
| 765 |
+
print(f"Test Precision: {scores[2]}")
|
| 766 |
+
print(f"Test Recall: {scores[3]}")
|
| 767 |
+
print(f"Test F1 Score (Macro): {scores[4]}")
|
| 768 |
+
if len(scores) > 5:
|
| 769 |
+
print(f"Test F1 Score (Micro): {scores[5]}")
|
| 770 |
+
if len(scores) > 6:
|
| 771 |
+
print(f"Test F1 Score (Weighted): {scores[6]}")
|
| 772 |
+
|
| 773 |
+
predictions = best_model.predict(X_test)
|
| 774 |
+
predicted_classes = np.argmax(predictions, axis=1)
|
| 775 |
+
true_classes = np.argmax(Y_test, axis=1)
|
| 776 |
+
|
| 777 |
+
# Compute the confusion matrix
|
| 778 |
+
cm = confusion_matrix(true_classes, predicted_classes)
|
| 779 |
+
class_names=['1','2','3','4']
|
| 780 |
+
|
| 781 |
+
# Plot the confusion matrix
|
| 782 |
+
plt.figure(figsize=(10, 8))
|
| 783 |
+
sns.heatmap(cm, annot=True, fmt="d", cmap='Blues', xticklabels=class_names, yticklabels=class_names)
|
| 784 |
+
plt.title('Confusion Matrix')
|
| 785 |
+
plt.ylabel('Actual Class')
|
| 786 |
+
plt.xlabel('Predicted Class')
|
| 787 |
+
plt.show()
|
| 788 |
+
|
| 789 |
+
"""#####Save the model"""
|
| 790 |
+
|
| 791 |
+
model_path = "/content/drive/My Drive/modelResNet50.h5"
|
| 792 |
+
best_model.save(model_path)
|
| 793 |
+
|
| 794 |
+
"""####ResNet18
|
| 795 |
+
|
| 796 |
+
#####Train with best hyperparameters
|
| 797 |
+
"""
|
| 798 |
+
|
| 799 |
+
ResNet18, preprocess_input = Classifiers.get('resnet18')
|
| 800 |
+
|
| 801 |
+
model = ResNet18(input_shape=(128, 128, 3), weights='imagenet', include_top=False)
|
| 802 |
+
|
| 803 |
+
|
| 804 |
+
x = GlobalAveragePooling2D()(model.output)
|
| 805 |
+
x = Dense(480, activation='relu', kernel_regularizer=l2(0.01))(x) # Apply L2 regularization here
|
| 806 |
+
predictions = Dense(4, activation='softmax', kernel_regularizer=l2(0.01))(x) # Also apply to the output layer
|
| 807 |
+
|
| 808 |
+
custom_model = Model(inputs=model.input, outputs=predictions)
|
| 809 |
+
|
| 810 |
+
custom_model.compile(
|
| 811 |
+
optimizer=Adam(learning_rate=1.4547542034522853e-05),
|
| 812 |
+
loss='categorical_crossentropy',
|
| 813 |
+
metrics=['accuracy',Precision(), Recall(), tf.metrics.F1Score(average='macro')])
|
| 814 |
+
|
| 815 |
+
custom_model.summary()
|
| 816 |
+
|
| 817 |
+
early_stopping = EarlyStopping(
|
| 818 |
+
monitor='val_loss',
|
| 819 |
+
min_delta=0.001,
|
| 820 |
+
patience=10,
|
| 821 |
+
verbose=1,
|
| 822 |
+
restore_best_weights=True )
|
| 823 |
+
|
| 824 |
+
tf.config.run_functions_eagerly(True)
|
| 825 |
+
history = custom_model.fit(
|
| 826 |
+
X_train, Y_train,
|
| 827 |
+
validation_data=(X_val, Y_val),
|
| 828 |
+
epochs=50, # Maximum number of epochs
|
| 829 |
+
batch_size=32,
|
| 830 |
+
callbacks=[early_stopping]
|
| 831 |
+
)
|
| 832 |
+
tf.config.run_functions_eagerly(False)
|
| 833 |
+
|
| 834 |
+
print(history.history.keys())
|
| 835 |
+
|
| 836 |
+
# Retrieve metrics data using the correct keys
|
| 837 |
+
accuracy = history.history.get('accuracy', [])
|
| 838 |
+
val_accuracy = history.history.get('val_accuracy', [])
|
| 839 |
+
precision = history.history.get('precision_7', []) # Updated to match the key
|
| 840 |
+
val_precision = history.history.get('val_precision_7', [])
|
| 841 |
+
recall = history.history.get('recall_7', []) # Updated to match the key
|
| 842 |
+
val_recall = history.history.get('val_recall_7', [])
|
| 843 |
+
f1_score = history.history.get('f1_score', [])
|
| 844 |
+
val_f1_score = history.history.get('val_f1_score', [])
|
| 845 |
+
|
| 846 |
+
# Determine the range of epochs
|
| 847 |
+
epochs_range = range(1, len(accuracy) + 1)
|
| 848 |
+
|
| 849 |
+
plt.figure(figsize=(14, 10))
|
| 850 |
+
plt.suptitle('Training and Validation Metrics')
|
| 851 |
+
|
| 852 |
+
# Plot accuracy
|
| 853 |
+
if accuracy and val_accuracy:
|
| 854 |
+
plt.subplot(2, 2, 1)
|
| 855 |
+
plt.plot(epochs_range, accuracy, label='Training Accuracy')
|
| 856 |
+
plt.plot(epochs_range, val_accuracy, label='Validation Accuracy')
|
| 857 |
+
plt.title('Accuracy')
|
| 858 |
+
plt.xlabel('Epochs')
|
| 859 |
+
plt.ylabel('Accuracy')
|
| 860 |
+
plt.legend()
|
| 861 |
+
|
| 862 |
+
# Plot precision
|
| 863 |
+
if precision and val_precision:
|
| 864 |
+
plt.subplot(2, 2, 2)
|
| 865 |
+
plt.plot(epochs_range, precision, label='Training Precision')
|
| 866 |
+
plt.plot(epochs_range, val_precision, label='Validation Precision')
|
| 867 |
+
plt.title('Precision')
|
| 868 |
+
plt.xlabel('Epochs')
|
| 869 |
+
plt.ylabel('Precision')
|
| 870 |
+
plt.legend()
|
| 871 |
+
|
| 872 |
+
# Plot recall
|
| 873 |
+
if recall and val_recall:
|
| 874 |
+
plt.subplot(2, 2, 3)
|
| 875 |
+
plt.plot(epochs_range, recall, label='Training Recall')
|
| 876 |
+
plt.plot(epochs_range, val_recall, label='Validation Recall')
|
| 877 |
+
plt.title('Recall')
|
| 878 |
+
plt.xlabel('Epochs')
|
| 879 |
+
plt.ylabel('Recall')
|
| 880 |
+
plt.legend()
|
| 881 |
+
|
| 882 |
+
# Plot F1-score
|
| 883 |
+
if f1_score and val_f1_score:
|
| 884 |
+
plt.subplot(2, 2, 4)
|
| 885 |
+
plt.plot(epochs_range, f1_score, label='Training F1 Score')
|
| 886 |
+
plt.plot(epochs_range, val_f1_score, label='Validation F1 Score')
|
| 887 |
+
plt.title('F1 Score')
|
| 888 |
+
plt.xlabel('Epochs')
|
| 889 |
+
plt.ylabel('F1 Score')
|
| 890 |
+
plt.legend()
|
| 891 |
+
|
| 892 |
+
plt.tight_layout(rect=[0, 0.03, 1, 0.95])
|
| 893 |
+
plt.show()
|
| 894 |
+
|
| 895 |
+
"""#####Evaluate the model"""
|
| 896 |
+
|
| 897 |
+
X_test, Y_test = load_images_and_labels(test_images2, test_labels2, target_size=(128, 128))
|
| 898 |
+
# Evaluate the model
|
| 899 |
+
performance = custom_model.evaluate(X_test, Y_test)
|
| 900 |
+
print(f"Test Loss: {performance[0]}")
|
| 901 |
+
print(f"Test Accuracy: {performance[1]}")
|
| 902 |
+
print(f"Test Precision: {performance[2]}")
|
| 903 |
+
print(f"Test Recall: {performance[3]}")
|
| 904 |
+
print(f"Test F1 Score: {performance[4]}")
|
| 905 |
+
|
| 906 |
+
predictions = custom_model.predict(X_test)
|
| 907 |
+
predicted_classes = np.argmax(predictions, axis=1)
|
| 908 |
+
true_classes = np.argmax(Y_test, axis=1)
|
| 909 |
+
|
| 910 |
+
# Compute the confusion matrix
|
| 911 |
+
cm = confusion_matrix(true_classes, predicted_classes)
|
| 912 |
+
class_names=['1','2','3','4']
|
| 913 |
+
|
| 914 |
+
# Plot the confusion matrix
|
| 915 |
+
plt.figure(figsize=(10, 8))
|
| 916 |
+
sns.heatmap(cm, annot=True, fmt="d", cmap='Blues', xticklabels=class_names, yticklabels=class_names)
|
| 917 |
+
plt.title('Confusion Matrix')
|
| 918 |
+
plt.ylabel('Actual Class')
|
| 919 |
+
plt.xlabel('Predicted Class')
|
| 920 |
+
plt.show()
|
| 921 |
+
|
| 922 |
+
"""#####Save the model"""
|
| 923 |
+
|
| 924 |
+
model_path = "/content/drive/My Drive/modelResNet18.h5"
|
| 925 |
+
best_model.save(model_path)
|
| 926 |
+
|
| 927 |
+
"""### 4.1.2 Second model (CNN: Simple architecture using Keras)
|
| 928 |
+
|
| 929 |
+
####hyperparameter tuning
|
| 930 |
+
"""
|
| 931 |
+
|
| 932 |
+
class ColorFocusLayer(Layer):
|
| 933 |
+
def __init__(self, **kwargs):
|
| 934 |
+
super(ColorFocusLayer, self).__init__(**kwargs)
|
| 935 |
+
self.conv = None # Conv layer will be set in build
|
| 936 |
+
|
| 937 |
+
def build(self, input_shape):
|
| 938 |
+
# Set the number of groups to a divisor of the number of input channels
|
| 939 |
+
input_channels = input_shape[-1]
|
| 940 |
+
possible_groups = [i for i in range(1, input_channels + 1) if input_channels % i == 0]
|
| 941 |
+
chosen_group = max(possible_groups) # Choose the largest divisor for better learning
|
| 942 |
+
self.conv = Conv2D(input_channels, kernel_size=1, groups=chosen_group, padding='same')
|
| 943 |
+
super(ColorFocusLayer, self).build(input_shape)
|
| 944 |
+
|
| 945 |
+
def call(self, inputs):
|
| 946 |
+
x = self.conv(inputs)
|
| 947 |
+
x = tf.keras.activations.sigmoid(x)
|
| 948 |
+
return inputs * x
|
| 949 |
+
|
| 950 |
+
|
| 951 |
+
def build_model(hp):
|
| 952 |
+
filters_1 = hp.Int('conv_1_filters', min_value=32, max_value=128, step=32, default=64)
|
| 953 |
+
model = Sequential([
|
| 954 |
+
Conv2D(
|
| 955 |
+
hp.Int('conv_1_filters', min_value=32, max_value=128, step=32, default=64),
|
| 956 |
+
kernel_size=hp.Choice('conv_1_kernel', values=[3, 5, 7], default=5),
|
| 957 |
+
padding='same',
|
| 958 |
+
activation='relu',
|
| 959 |
+
input_shape=(128, 128, 3)),
|
| 960 |
+
BatchNormalization(),
|
| 961 |
+
ColorFocusLayer(),
|
| 962 |
+
Conv2D(
|
| 963 |
+
hp.Int('conv_2_filters', min_value=64, max_value=256, step=32, default=96),
|
| 964 |
+
kernel_size=hp.Choice('conv_2_kernel', values=[3, 5], default=3),
|
| 965 |
+
padding='same',
|
| 966 |
+
activation='relu'),
|
| 967 |
+
BatchNormalization(),
|
| 968 |
+
MaxPooling2D(pool_size=2),
|
| 969 |
+
Conv2D(
|
| 970 |
+
hp.Int('conv_3_filters', min_value=128, max_value=256, step=32),
|
| 971 |
+
kernel_size=hp.Choice('conv_3_kernel', values=[3, 5]),
|
| 972 |
+
padding='same',
|
| 973 |
+
activation='relu'),
|
| 974 |
+
BatchNormalization(),
|
| 975 |
+
GlobalAveragePooling2D(),
|
| 976 |
+
Dense(
|
| 977 |
+
hp.Int('dense_units', min_value=64, max_value=256, step=64),
|
| 978 |
+
activation='relu'),
|
| 979 |
+
Dropout(hp.Float('dropout', min_value=0.0, max_value=0.5, step=0.1)),
|
| 980 |
+
Dense(4, activation='softmax')
|
| 981 |
+
])
|
| 982 |
+
|
| 983 |
+
model.compile(
|
| 984 |
+
optimizer=Adam(hp.Float('learning_rate', min_value=1e-4, max_value=1e-2, sampling='LOG')),
|
| 985 |
+
loss='categorical_crossentropy',
|
| 986 |
+
metrics=['accuracy', Precision(), Recall(), tfa.metrics.F1Score(num_classes=4, average='macro')]
|
| 987 |
+
)
|
| 988 |
+
|
| 989 |
+
return model
|
| 990 |
+
|
| 991 |
+
lr_scheduler = ReduceLROnPlateau(
|
| 992 |
+
monitor='val_loss',
|
| 993 |
+
factor=0.1,
|
| 994 |
+
patience=5
|
| 995 |
+
)
|
| 996 |
+
|
| 997 |
+
tuner = Hyperband(
|
| 998 |
+
build_model,
|
| 999 |
+
objective=Objective("val_accuracy", direction="max"),
|
| 1000 |
+
max_epochs=10,
|
| 1001 |
+
hyperband_iterations=2,
|
| 1002 |
+
directory='my_dir',
|
| 1003 |
+
project_name='hyperparam_tuning'
|
| 1004 |
+
)
|
| 1005 |
+
|
| 1006 |
+
tuner.search(
|
| 1007 |
+
x=X_train,
|
| 1008 |
+
y=Y_train,
|
| 1009 |
+
epochs=10,
|
| 1010 |
+
validation_data=(X_val, Y_val),
|
| 1011 |
+
callbacks=[EarlyStopping(monitor='val_accuracy', patience=3), lr_scheduler]
|
| 1012 |
+
)
|
| 1013 |
+
best_model = tuner.get_best_models(num_models=1)[0]
|
| 1014 |
+
best_hyperparameters = tuner.get_best_hyperparameters(num_trials=1)[0]
|
| 1015 |
+
|
| 1016 |
+
print("Best model summary:")
|
| 1017 |
+
best_model.summary()
|
| 1018 |
+
print("Best hyperparameters:", best_hyperparameters.values)
|
| 1019 |
+
|
| 1020 |
+
"""####Train with best hyperparameters"""
|
| 1021 |
+
|
| 1022 |
+
def rebuild_best_model(best_hyperparameters):
|
| 1023 |
+
hp = best_hyperparameters
|
| 1024 |
+
model = build_model(hp)
|
| 1025 |
+
return model
|
| 1026 |
+
|
| 1027 |
+
# Rebuild the best model
|
| 1028 |
+
best_model = rebuild_best_model(tuner.get_best_hyperparameters()[0])
|
| 1029 |
+
|
| 1030 |
+
# Configure the callbacks
|
| 1031 |
+
early_stopper = EarlyStopping(monitor='val_accuracy', patience=10, restore_best_weights=True)
|
| 1032 |
+
lr_scheduler = ReduceLROnPlateau(
|
| 1033 |
+
monitor='val_loss',
|
| 1034 |
+
factor=0.1,
|
| 1035 |
+
patience=5,
|
| 1036 |
+
verbose=1
|
| 1037 |
+
)
|
| 1038 |
+
|
| 1039 |
+
# Fit the model with a larger number of epochs
|
| 1040 |
+
history = best_model.fit(
|
| 1041 |
+
x=X_train,
|
| 1042 |
+
y=Y_train,
|
| 1043 |
+
epochs=50,
|
| 1044 |
+
validation_data=(X_val, Y_val),
|
| 1045 |
+
callbacks=[early_stopper, lr_scheduler]
|
| 1046 |
+
)
|
| 1047 |
+
|
| 1048 |
+
print(history.history.keys())
|
| 1049 |
+
|
| 1050 |
+
# Retrieve metrics data using the correct keys
|
| 1051 |
+
accuracy = history.history.get('accuracy', [])
|
| 1052 |
+
val_accuracy = history.history.get('val_accuracy', [])
|
| 1053 |
+
precision = history.history.get('precision_5', []) # Updated to match the key
|
| 1054 |
+
val_precision = history.history.get('val_precision_5', [])
|
| 1055 |
+
recall = history.history.get('recall_5', []) # Updated to match the key
|
| 1056 |
+
val_recall = history.history.get('val_recall_5', [])
|
| 1057 |
+
f1_score = history.history.get('f1_score', [])
|
| 1058 |
+
val_f1_score = history.history.get('val_f1_score', [])
|
| 1059 |
+
|
| 1060 |
+
# Determine the range of epochs
|
| 1061 |
+
epochs_range = range(1, len(accuracy) + 1)
|
| 1062 |
+
|
| 1063 |
+
plt.figure(figsize=(14, 10))
|
| 1064 |
+
plt.suptitle('Training and Validation Metrics')
|
| 1065 |
+
|
| 1066 |
+
# Plot accuracy
|
| 1067 |
+
if accuracy and val_accuracy:
|
| 1068 |
+
plt.subplot(2, 2, 1)
|
| 1069 |
+
plt.plot(epochs_range, accuracy, label='Training Accuracy')
|
| 1070 |
+
plt.plot(epochs_range, val_accuracy, label='Validation Accuracy')
|
| 1071 |
+
plt.title('Accuracy')
|
| 1072 |
+
plt.xlabel('Epochs')
|
| 1073 |
+
plt.ylabel('Accuracy')
|
| 1074 |
+
plt.legend()
|
| 1075 |
+
|
| 1076 |
+
# Plot precision
|
| 1077 |
+
if precision and val_precision:
|
| 1078 |
+
plt.subplot(2, 2, 2)
|
| 1079 |
+
plt.plot(epochs_range, precision, label='Training Precision')
|
| 1080 |
+
plt.plot(epochs_range, val_precision, label='Validation Precision')
|
| 1081 |
+
plt.title('Precision')
|
| 1082 |
+
plt.xlabel('Epochs')
|
| 1083 |
+
plt.ylabel('Precision')
|
| 1084 |
+
plt.legend()
|
| 1085 |
+
|
| 1086 |
+
# Plot recall
|
| 1087 |
+
if recall and val_recall:
|
| 1088 |
+
plt.subplot(2, 2, 3)
|
| 1089 |
+
plt.plot(epochs_range, recall, label='Training Recall')
|
| 1090 |
+
plt.plot(epochs_range, val_recall, label='Validation Recall')
|
| 1091 |
+
plt.title('Recall')
|
| 1092 |
+
plt.xlabel('Epochs')
|
| 1093 |
+
plt.ylabel('Recall')
|
| 1094 |
+
plt.legend()
|
| 1095 |
+
|
| 1096 |
+
# Plot F1-score
|
| 1097 |
+
if f1_score and val_f1_score:
|
| 1098 |
+
plt.subplot(2, 2, 4)
|
| 1099 |
+
plt.plot(epochs_range, f1_score, label='Training F1 Score')
|
| 1100 |
+
plt.plot(epochs_range, val_f1_score, label='Validation F1 Score')
|
| 1101 |
+
plt.title('F1 Score')
|
| 1102 |
+
plt.xlabel('Epochs')
|
| 1103 |
+
plt.ylabel('F1 Score')
|
| 1104 |
+
plt.legend()
|
| 1105 |
+
|
| 1106 |
+
plt.tight_layout(rect=[0, 0.03, 1, 0.95])
|
| 1107 |
+
plt.show()
|
| 1108 |
+
|
| 1109 |
+
"""####Evaluate the model"""
|
| 1110 |
+
|
| 1111 |
+
X_test, Y_test = load_images_and_labels(test_images2, test_labels2, target_size=(128, 128))
|
| 1112 |
+
results = best_model.evaluate(X_test, Y_test, verbose=1)
|
| 1113 |
+
|
| 1114 |
+
print(f"Test Loss: {results[0]}")
|
| 1115 |
+
print(f"Test Accuracy: {results[1]}")
|
| 1116 |
+
print(f"Test Precision: {results[2]}")
|
| 1117 |
+
print(f"Test Recall: {results[3]}")
|
| 1118 |
+
print(f"Test F1 Score: {results[4]}")
|
| 1119 |
+
|
| 1120 |
+
predictions = best_model.predict(X_test)
|
| 1121 |
+
predicted_classes = np.argmax(predictions, axis=1)
|
| 1122 |
+
true_classes = np.argmax(Y_test, axis=1)
|
| 1123 |
+
|
| 1124 |
+
# Compute the confusion matrix
|
| 1125 |
+
cm = confusion_matrix(true_classes, predicted_classes)
|
| 1126 |
+
class_names=['1','2','3','4']
|
| 1127 |
+
|
| 1128 |
+
# Plot the confusion matrix
|
| 1129 |
+
plt.figure(figsize=(10, 8))
|
| 1130 |
+
sns.heatmap(cm, annot=True, fmt="d", cmap='Blues', xticklabels=class_names, yticklabels=class_names)
|
| 1131 |
+
plt.title('Confusion Matrix')
|
| 1132 |
+
plt.ylabel('Actual Class')
|
| 1133 |
+
plt.xlabel('Predicted Class')
|
| 1134 |
+
plt.show()
|
| 1135 |
+
|
| 1136 |
+
"""####Save the model"""
|
| 1137 |
+
|
| 1138 |
+
model_path = "/content/drive/My Drive/modelCNN2.h5"
|
| 1139 |
+
best_model.save(model_path)
|
| 1140 |
+
|
| 1141 |
+
"""### 4.1.3 Third model (SVM)"""
|
| 1142 |
+
|
| 1143 |
+
# Define the parameter grid
|
| 1144 |
+
param_grid = {
|
| 1145 |
+
'C': [0.1, 1, 10, 100],
|
| 1146 |
+
'gamma': [1, 0.1, 0.01, 0.001],
|
| 1147 |
+
'kernel': ['rbf', 'poly', 'sigmoid']
|
| 1148 |
+
}
|
| 1149 |
+
|
| 1150 |
+
# Create a Support Vector Classifier
|
| 1151 |
+
svm = SVC(probability=True)
|
| 1152 |
+
|
| 1153 |
+
# Create a GridSearchCV object
|
| 1154 |
+
grid_search = GridSearchCV(svm, param_grid, cv=3, verbose=2, scoring='accuracy')
|
| 1155 |
+
|
| 1156 |
+
# Fit GridSearchCV
|
| 1157 |
+
grid_search.fit(np.array(train_features), np.array(train_labels))
|
| 1158 |
+
|
| 1159 |
+
print("Best parameters:", grid_search.best_params_)
|
| 1160 |
+
print("Best cross-validation score: {:.2f}".format(grid_search.best_score_))
|
| 1161 |
+
|
| 1162 |
+
# Train the model with the best parameters
|
| 1163 |
+
best_svm = grid_search.best_estimator_
|
| 1164 |
+
|
| 1165 |
+
# Predict on the test set
|
| 1166 |
+
predictions = best_svm.predict(np.array(test_features))
|
| 1167 |
+
|
| 1168 |
+
print(classification_report(test_labels, predictions))
|
| 1169 |
+
print("Accuracy:", accuracy_score(test_labels, predictions))
|
| 1170 |
+
|
| 1171 |
+
# Compute the confusion matrix
|
| 1172 |
+
cm = confusion_matrix(test_labels, predictions)
|
| 1173 |
+
|
| 1174 |
+
# Plot the confusion matrix
|
| 1175 |
+
plt.figure(figsize=(10, 7))
|
| 1176 |
+
sns.heatmap(cm, annot=True, fmt='d', cmap='Blues', xticklabels=np.unique(test_labels), yticklabels=np.unique(test_labels))
|
| 1177 |
+
plt.xlabel('Predicted Labels')
|
| 1178 |
+
plt.ylabel('True Labels')
|
| 1179 |
+
plt.title('Confusion Matrix')
|
| 1180 |
+
plt.show()
|
| 1181 |
+
|
| 1182 |
+
class CustomCNN(nn.Module):
|
| 1183 |
+
def __init__(self):
|
| 1184 |
+
super(CustomCNN, self).__init__()
|
| 1185 |
+
self.conv1 = nn.Conv2d(3, 32, kernel_size=3, padding=1)
|
| 1186 |
+
self.conv2 = nn.Conv2d(32, 64, kernel_size=3, padding=1)
|
| 1187 |
+
self.pool = nn.MaxPool2d(2, 2)
|
| 1188 |
+
self.conv3 = nn.Conv2d(64, 128, kernel_size=3, padding=1)
|
| 1189 |
+
self.conv4 = nn.Conv2d(128, 256, kernel_size=3, padding=1)
|
| 1190 |
+
|
| 1191 |
+
def forward(self, x):
|
| 1192 |
+
x = self.pool(F.relu(self.conv1(x)))
|
| 1193 |
+
x = self.pool(F.relu(self.conv2(x)))
|
| 1194 |
+
x = self.pool(F.relu(self.conv3(x)))
|
| 1195 |
+
x = self.pool(F.relu(self.conv4(x)))
|
| 1196 |
+
# Flatten the output for feature extraction
|
| 1197 |
+
x = x.view(x.size(0), -1)
|
| 1198 |
+
return x
|
| 1199 |
+
|
| 1200 |
+
# Initialize the model
|
| 1201 |
+
model_cnn = CustomCNN()
|
| 1202 |
+
|
| 1203 |
+
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
|
| 1204 |
+
model_cnn.to(device)
|
| 1205 |
+
model_cnn.eval()
|
| 1206 |
+
|
| 1207 |
+
def extract_features(data_loader):
|
| 1208 |
+
features = []
|
| 1209 |
+
labels = []
|
| 1210 |
+
with torch.no_grad():
|
| 1211 |
+
for inputs, targets in data_loader:
|
| 1212 |
+
inputs = inputs.to(device)
|
| 1213 |
+
outputs = model_cnn(inputs)
|
| 1214 |
+
outputs = outputs.view(outputs.size(0), -1) # Flatten the output
|
| 1215 |
+
features.append(outputs.cpu().numpy())
|
| 1216 |
+
labels.append(targets.numpy())
|
| 1217 |
+
features = np.concatenate(features, axis=0)
|
| 1218 |
+
labels = np.concatenate(labels, axis=0)
|
| 1219 |
+
return features, labels
|
| 1220 |
+
|
| 1221 |
+
train_features, train_labels = extract_features(train_loader2)
|
| 1222 |
+
val_features, val_labels = extract_features(val_loader2)
|
| 1223 |
+
test_features, test_labels = extract_features(test_loader2)
|
| 1224 |
+
|
| 1225 |
+
class_names = ['1', '2', '3', '4']
|
| 1226 |
+
|
| 1227 |
+
# Function to plot confusion matrix
|
| 1228 |
+
def plot_confusion_matrix(cm, class_names, title='Confusion Matrix'):
|
| 1229 |
+
plt.figure(figsize=(8, 6))
|
| 1230 |
+
sns.heatmap(cm, annot=True, fmt='d', cmap='Blues', cbar=False, xticklabels=class_names, yticklabels=class_names)
|
| 1231 |
+
plt.xlabel('Predicted labels')
|
| 1232 |
+
plt.ylabel('True labels')
|
| 1233 |
+
plt.title(title)
|
| 1234 |
+
plt.show()
|
| 1235 |
+
|
| 1236 |
+
svm_model = SVC(kernel='rbf', C=10, gamma=0.1)
|
| 1237 |
+
svm_model.fit(train_features, train_labels)
|
| 1238 |
+
|
| 1239 |
+
# [ c 1, gamma 1]
|
| 1240 |
+
# Predict on the training set
|
| 1241 |
+
train_predictions = svm_model.predict(train_features)
|
| 1242 |
+
|
| 1243 |
+
# Evaluate on the training set
|
| 1244 |
+
train_accuracy = accuracy_score(train_labels, train_predictions)
|
| 1245 |
+
train_recall = recall_score(train_labels, train_predictions, average='macro')
|
| 1246 |
+
train_precision = precision_score(train_labels, train_predictions, average='macro')
|
| 1247 |
+
train_f1 = f1_metric(train_labels, train_predictions, average='macro')
|
| 1248 |
+
|
| 1249 |
+
print(f'Training Accuracy: {train_accuracy:.4f}')
|
| 1250 |
+
print(f'Training Recall: {train_recall:.4f}')
|
| 1251 |
+
print(f'Training Precision: {train_precision:.4f}')
|
| 1252 |
+
print(f'Training F1 Score: {train_f1:.4f}')
|
| 1253 |
+
|
| 1254 |
+
# Predict on the validation set
|
| 1255 |
+
val_predictions = svm_model.predict(val_features)
|
| 1256 |
+
|
| 1257 |
+
# Evaluate on the validation set
|
| 1258 |
+
val_accuracy = accuracy_score(val_labels, val_predictions)
|
| 1259 |
+
val_recall = recall_score(val_labels, val_predictions, average='macro')
|
| 1260 |
+
val_precision = precision_score(val_labels, val_predictions, average='macro')
|
| 1261 |
+
val_f1 = f1_metric(val_labels, val_predictions, average='macro')
|
| 1262 |
+
|
| 1263 |
+
print(f'Validation Accuracy: {val_accuracy:.4f}')
|
| 1264 |
+
print(f'Validation Recall: {val_recall:.4f}')
|
| 1265 |
+
print(f'Validation Precision: {val_precision:.4f}')
|
| 1266 |
+
print(f'Validation F1 Score: {val_f1:.4f}')
|
| 1267 |
+
|
| 1268 |
+
# Predict on the test set
|
| 1269 |
+
test_predictions = svm_model.predict(test_features)
|
| 1270 |
+
|
| 1271 |
+
# Evaluate on the test set
|
| 1272 |
+
test_accuracy = accuracy_score(test_labels, test_predictions)
|
| 1273 |
+
test_recall = recall_score(test_labels, test_predictions, average='macro')
|
| 1274 |
+
test_precision = precision_score(test_labels, test_predictions, average='macro')
|
| 1275 |
+
test_f1 = f1_metric(test_labels, test_predictions, average='macro')
|
| 1276 |
+
|
| 1277 |
+
print(f"Test Accuracy: {test_accuracy:.4f}")
|
| 1278 |
+
print(f"Test Recall: {test_recall:.4f}")
|
| 1279 |
+
print(f"Test Precision: {test_precision:.4f}")
|
| 1280 |
+
print(f"Test F1 Score: {test_f1:.4f}")
|
| 1281 |
+
|
| 1282 |
+
# Generate and plot confusion matrix for test data
|
| 1283 |
+
test_cm = confusion_matrix(test_labels, test_predictions)
|
| 1284 |
+
# Plot the confusion matrix
|
| 1285 |
+
plot_confusion_matrix(test_cm, class_names, title='Test Confusion Matrix')
|
| 1286 |
+
|
| 1287 |
+
# Save the model to disk
|
| 1288 |
+
dump(svm_model, 'svm_model1.joblib')
|
| 1289 |
+
|
| 1290 |
+
# [ c 10, gamma 0.1]
|
| 1291 |
+
# Predict on the training set
|
| 1292 |
+
train_predictions = svm_model.predict(train_features)
|
| 1293 |
+
|
| 1294 |
+
# Evaluate on the training set
|
| 1295 |
+
train_accuracy = accuracy_score(train_labels, train_predictions)
|
| 1296 |
+
train_recall = recall_score(train_labels, train_predictions, average='macro')
|
| 1297 |
+
train_precision = precision_score(train_labels, train_predictions, average='macro')
|
| 1298 |
+
train_f1 = f1_metric(train_labels, train_predictions, average='macro')
|
| 1299 |
+
|
| 1300 |
+
print(f'Training Accuracy: {train_accuracy:.4f}')
|
| 1301 |
+
print(f'Training Recall: {train_recall:.4f}')
|
| 1302 |
+
print(f'Training Precision: {train_precision:.4f}')
|
| 1303 |
+
print(f'Training F1 Score: {train_f1:.4f}')
|
| 1304 |
+
|
| 1305 |
+
# Predict on the validation set
|
| 1306 |
+
val_predictions = svm_model.predict(val_features)
|
| 1307 |
+
|
| 1308 |
+
# Evaluate on the validation set
|
| 1309 |
+
val_accuracy = accuracy_score(val_labels, val_predictions)
|
| 1310 |
+
val_recall = recall_score(val_labels, val_predictions, average='macro')
|
| 1311 |
+
val_precision = precision_score(val_labels, val_predictions, average='macro')
|
| 1312 |
+
val_f1 = f1_metric(val_labels, val_predictions, average='macro')
|
| 1313 |
+
|
| 1314 |
+
print(f'Validation Accuracy: {val_accuracy:.4f}')
|
| 1315 |
+
print(f'Validation Recall: {val_recall:.4f}')
|
| 1316 |
+
print(f'Validation Precision: {val_precision:.4f}')
|
| 1317 |
+
print(f'Validation F1 Score: {val_f1:.4f}')
|
| 1318 |
+
|
| 1319 |
+
# Predict on the test set
|
| 1320 |
+
test_predictions = svm_model.predict(test_features)
|
| 1321 |
+
|
| 1322 |
+
# Evaluate on the test set
|
| 1323 |
+
test_accuracy = accuracy_score(test_labels, test_predictions)
|
| 1324 |
+
test_recall = recall_score(test_labels, test_predictions, average='macro')
|
| 1325 |
+
test_precision = precision_score(test_labels, test_predictions, average='macro')
|
| 1326 |
+
test_f1 = f1_metric(test_labels, test_predictions, average='macro')
|
| 1327 |
+
|
| 1328 |
+
print(f"Test Accuracy: {test_accuracy:.4f}")
|
| 1329 |
+
print(f"Test Recall: {test_recall:.4f}")
|
| 1330 |
+
print(f"Test Precision: {test_precision:.4f}")
|
| 1331 |
+
print(f"Test F1 Score: {test_f1:.4f}")
|
| 1332 |
+
|
| 1333 |
+
# Generate and plot confusion matrix for test data
|
| 1334 |
+
test_cm = confusion_matrix(test_labels, test_predictions)
|
| 1335 |
+
# Plot the confusion matrix
|
| 1336 |
+
plot_confusion_matrix(test_cm, class_names, title='Test Confusion Matrix')
|
| 1337 |
+
|
| 1338 |
+
# Save the model to disk
|
| 1339 |
+
dump(svm_model, 'svm_model2.joblib')
|
| 1340 |
+
|
| 1341 |
+
svm_model = SVC(kernel='poly', C=10, gamma=0.1)
|
| 1342 |
+
svm_model.fit(train_features, train_labels)
|
| 1343 |
+
|
| 1344 |
+
# [ c 1, gamma 0.1]
|
| 1345 |
+
|
| 1346 |
+
# Predict on the training set
|
| 1347 |
+
train_predictions = svm_model.predict(train_features)
|
| 1348 |
+
|
| 1349 |
+
# Evaluate on the training set
|
| 1350 |
+
train_accuracy = accuracy_score(train_labels, train_predictions)
|
| 1351 |
+
train_recall = recall_score(train_labels, train_predictions, average='macro')
|
| 1352 |
+
train_precision = precision_score(train_labels, train_predictions, average='macro')
|
| 1353 |
+
train_f1 = f1_metric(train_labels, train_predictions, average='macro')
|
| 1354 |
+
|
| 1355 |
+
print(f'Training Accuracy: {train_accuracy:.4f}')
|
| 1356 |
+
print(f'Training Recall: {train_recall:.4f}')
|
| 1357 |
+
print(f'Training Precision: {train_precision:.4f}')
|
| 1358 |
+
print(f'Training F1 Score: {train_f1:.4f}')
|
| 1359 |
+
|
| 1360 |
+
# Predict on the validation set
|
| 1361 |
+
val_predictions = svm_model.predict(val_features)
|
| 1362 |
+
|
| 1363 |
+
# Evaluate on the validation set
|
| 1364 |
+
val_accuracy = accuracy_score(val_labels, val_predictions)
|
| 1365 |
+
val_recall = recall_score(val_labels, val_predictions, average='macro')
|
| 1366 |
+
val_precision = precision_score(val_labels, val_predictions, average='macro')
|
| 1367 |
+
val_f1 = f1_metric(val_labels, val_predictions, average='macro')
|
| 1368 |
+
|
| 1369 |
+
print(f'Validation Accuracy: {val_accuracy:.4f}')
|
| 1370 |
+
print(f'Validation Recall: {val_recall:.4f}')
|
| 1371 |
+
print(f'Validation Precision: {val_precision:.4f}')
|
| 1372 |
+
print(f'Validation F1 Score: {val_f1:.4f}')
|
| 1373 |
+
|
| 1374 |
+
# Predict on the test set
|
| 1375 |
+
test_predictions = svm_model.predict(test_features)
|
| 1376 |
+
|
| 1377 |
+
# Evaluate on the test set
|
| 1378 |
+
test_accuracy = accuracy_score(test_labels, test_predictions)
|
| 1379 |
+
test_recall = recall_score(test_labels, test_predictions, average='macro')
|
| 1380 |
+
test_precision = precision_score(test_labels, test_predictions, average='macro')
|
| 1381 |
+
test_f1 = f1_metric(test_labels, test_predictions, average='macro')
|
| 1382 |
+
|
| 1383 |
+
print(f"Test Accuracy: {test_accuracy:.4f}")
|
| 1384 |
+
print(f"Test Recall: {test_recall:.4f}")
|
| 1385 |
+
print(f"Test Precision: {test_precision:.4f}")
|
| 1386 |
+
print(f"Test F1 Score: {test_f1:.4f}")
|
| 1387 |
+
|
| 1388 |
+
# Save the model to disk
|
| 1389 |
+
dump(svm_model, 'svm_model3.joblib')
|
| 1390 |
+
|
| 1391 |
+
# Generate and plot confusion matrix for test data
|
| 1392 |
+
test_cm = confusion_matrix(test_labels, test_predictions)
|
| 1393 |
+
# Plot the confusion matrix
|
| 1394 |
+
plot_confusion_matrix(test_cm, class_names, title='Test Confusion Matrix')
|
| 1395 |
+
|
| 1396 |
+
# [ c 10, gamma 0.1]
|
| 1397 |
+
|
| 1398 |
+
# Predict on the training set
|
| 1399 |
+
train_predictions = svm_model.predict(train_features)
|
| 1400 |
+
|
| 1401 |
+
# Evaluate on the training set
|
| 1402 |
+
train_accuracy = accuracy_score(train_labels, train_predictions)
|
| 1403 |
+
train_recall = recall_score(train_labels, train_predictions, average='macro')
|
| 1404 |
+
train_precision = precision_score(train_labels, train_predictions, average='macro')
|
| 1405 |
+
train_f1 = f1_metric(train_labels, train_predictions, average='macro')
|
| 1406 |
+
|
| 1407 |
+
print(f'Training Accuracy: {train_accuracy:.4f}')
|
| 1408 |
+
print(f'Training Recall: {train_recall:.4f}')
|
| 1409 |
+
print(f'Training Precision: {train_precision:.4f}')
|
| 1410 |
+
print(f'Training F1 Score: {train_f1:.4f}')
|
| 1411 |
+
|
| 1412 |
+
# Predict on the validation set
|
| 1413 |
+
val_predictions = svm_model.predict(val_features)
|
| 1414 |
+
|
| 1415 |
+
# Evaluate on the validation set
|
| 1416 |
+
val_accuracy = accuracy_score(val_labels, val_predictions)
|
| 1417 |
+
val_recall = recall_score(val_labels, val_predictions, average='macro')
|
| 1418 |
+
val_precision = precision_score(val_labels, val_predictions, average='macro')
|
| 1419 |
+
val_f1 = f1_metric(val_labels, val_predictions, average='macro')
|
| 1420 |
+
|
| 1421 |
+
print(f'Validation Accuracy: {val_accuracy:.4f}')
|
| 1422 |
+
print(f'Validation Recall: {val_recall:.4f}')
|
| 1423 |
+
print(f'Validation Precision: {val_precision:.4f}')
|
| 1424 |
+
print(f'Validation F1 Score: {val_f1:.4f}')
|
| 1425 |
+
|
| 1426 |
+
# Predict on the test set
|
| 1427 |
+
test_predictions = svm_model.predict(test_features)
|
| 1428 |
+
|
| 1429 |
+
# Evaluate on the test set
|
| 1430 |
+
test_accuracy = accuracy_score(test_labels, test_predictions)
|
| 1431 |
+
test_recall = recall_score(test_labels, test_predictions, average='macro')
|
| 1432 |
+
test_precision = precision_score(test_labels, test_predictions, average='macro')
|
| 1433 |
+
test_f1 = f1_metric(test_labels, test_predictions, average='macro')
|
| 1434 |
+
|
| 1435 |
+
print(f"Test Accuracy: {test_accuracy:.4f}")
|
| 1436 |
+
print(f"Test Recall: {test_recall:.4f}")
|
| 1437 |
+
print(f"Test Precision: {test_precision:.4f}")
|
| 1438 |
+
print(f"Test F1 Score: {test_f1:.4f}")
|
| 1439 |
+
|
| 1440 |
+
# Save the model to disk
|
| 1441 |
+
dump(svm_model, 'svm_model4.joblib')
|
| 1442 |
+
|
| 1443 |
+
# Generate and plot confusion matrix for test data
|
| 1444 |
+
test_cm = confusion_matrix(test_labels, test_predictions)
|
| 1445 |
+
# Plot the confusion matrix
|
| 1446 |
+
plot_confusion_matrix(test_cm, class_names, title='Test Confusion Matrix')
|