Spaces:
Sleeping
Sleeping
Delete app.py
Browse files
app.py
DELETED
|
@@ -1,75 +0,0 @@
|
|
| 1 |
-
### 1. Imports and class names setup ###
|
| 2 |
-
import gradio as gr
|
| 3 |
-
import os
|
| 4 |
-
import torch
|
| 5 |
-
|
| 6 |
-
from model import create_effnetb2_model
|
| 7 |
-
from timeit import default_timer as timer
|
| 8 |
-
from typing import Tuple, Dict
|
| 9 |
-
|
| 10 |
-
# Setup class names
|
| 11 |
-
|
| 12 |
-
|
| 13 |
-
### 2. Model and transforms preparation ###
|
| 14 |
-
|
| 15 |
-
# Create EffNetB2 model
|
| 16 |
-
effnetb2, effnetb2_transforms = create_effnetb2_model(
|
| 17 |
-
num_classes=102, # len(class_names) would also work
|
| 18 |
-
)
|
| 19 |
-
|
| 20 |
-
# Load saved weights
|
| 21 |
-
effnetb2.load_state_dict(
|
| 22 |
-
torch.load(
|
| 23 |
-
f="pretrained_effnetb2_feature_extractor_fl102.pth",
|
| 24 |
-
map_location=torch.device("cpu"), # load to CPU
|
| 25 |
-
)
|
| 26 |
-
)
|
| 27 |
-
|
| 28 |
-
### 3. Predict function ###
|
| 29 |
-
|
| 30 |
-
# Create predict function
|
| 31 |
-
def predict(img) -> Tuple[Dict, float]:
|
| 32 |
-
"""Transforms and performs a prediction on img and returns prediction and time taken.
|
| 33 |
-
"""
|
| 34 |
-
# Start the timer
|
| 35 |
-
start_time = timer()
|
| 36 |
-
|
| 37 |
-
# Transform the target image and add a batch dimension
|
| 38 |
-
img = effnetb2_transforms(img).unsqueeze(0)
|
| 39 |
-
|
| 40 |
-
# Put model into evaluation mode and turn on inference mode
|
| 41 |
-
effnetb2.eval()
|
| 42 |
-
with torch.inference_mode():
|
| 43 |
-
# Pass the transformed image through the model and turn the prediction logits into prediction probabilities
|
| 44 |
-
pred_probs = torch.softmax(effnetb2(img), dim=1)
|
| 45 |
-
|
| 46 |
-
# Create a prediction label and prediction probability dictionary for each prediction class (this is the required format for Gradio's output parameter)
|
| 47 |
-
pred_labels_and_probs = {class_names[i]: float(pred_probs[0][i]) for i in range(len(class_names))}
|
| 48 |
-
|
| 49 |
-
# Calculate the prediction time
|
| 50 |
-
pred_time = round(timer() - start_time, 5)
|
| 51 |
-
|
| 52 |
-
# Return the prediction dictionary and prediction time
|
| 53 |
-
return pred_labels_and_probs, pred_time
|
| 54 |
-
|
| 55 |
-
### 4. Gradio app ###
|
| 56 |
-
|
| 57 |
-
# Create title, description and article strings
|
| 58 |
-
title = "Flofi Mini"
|
| 59 |
-
description = "An EfficientNetB2 feature extractor computer vision model to classify images of 102 flower species."
|
| 60 |
-
article = "Created by Haydar Uçar."
|
| 61 |
-
|
| 62 |
-
# Create examples list from "examples/" directory
|
| 63 |
-
|
| 64 |
-
|
| 65 |
-
# Create the Gradio demo
|
| 66 |
-
demo = gr.Interface(fn=predict, # mapping function from input to output
|
| 67 |
-
inputs=gr.Image(type="pil"), # what are the inputs?
|
| 68 |
-
outputs=[gr.Label(num_top_classes=3, label="Predictions"), # what are the outputs?
|
| 69 |
-
gr.Number(label="Prediction time (s)")], # our fn has two outputs, therefore we have two outputs
|
| 70 |
-
title=title,
|
| 71 |
-
description=description,
|
| 72 |
-
article=article)
|
| 73 |
-
|
| 74 |
-
# Launch the demo!
|
| 75 |
-
demo.launch()
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|