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Browse files- Dockerfile +16 -0
- README_UPLOAD.md +14 -0
- app.py +216 -0
Dockerfile
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FROM python:3.10-slim
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ENV PYTHONDONTWRITEBYTECODE=1
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ENV PYTHONUNBUFFERED=1
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ENV PIP_NO_CACHE_DIR=1
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WORKDIR /app
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COPY requirements.txt .
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RUN pip install --upgrade pip && pip install -r requirements.txt
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COPY . .
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EXPOSE 7860
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CMD ["python", "app.py"]
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README_UPLOAD.md
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Upload these files to your Hugging Face Docker Space root:
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1) app.py
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2) requirements.txt
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3) Dockerfile
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4) fatima_model.pth
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5) fatima_model.keras
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6) fatima_meta.json (optional but recommended)
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Notes:
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- If your model filenames differ, update PT_MODEL_PATH / TF_MODEL_PATH in app.py.
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- If you do not have fatima_meta.json, the app uses default class names and ImageNet normalization.
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- For Docker Space, keep app.py launch as:
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demo.launch(server_name="0.0.0.0", server_port=7860)
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app.py
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import json
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import os
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import gradio as gr
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import numpy as np
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import tensorflow as tf
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import torch
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import torch.nn as nn
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from PIL import Image
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from torchvision import transforms
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# -----------------------------
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# Config
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# -----------------------------
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PT_MODEL_PATH = "fatima_model.pth"
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TF_MODEL_PATH = "fatima_model.keras"
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META_PATH = "fatima_meta.json"
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DEFAULT_CLASS_NAMES = ["buildings", "forest", "glacier", "mountain", "sea", "street"]
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DEFAULT_IMAGE_SIZE = 150
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DEFAULT_MEAN = [0.485, 0.456, 0.406]
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DEFAULT_STD = [0.229, 0.224, 0.225]
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device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
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def load_meta():
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if os.path.exists(META_PATH):
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with open(META_PATH, "r", encoding="utf-8") as f:
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meta = json.load(f)
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class_names = meta.get("class_names", DEFAULT_CLASS_NAMES)
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image_size = int(meta.get("image_size", DEFAULT_IMAGE_SIZE))
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mean = meta.get("imagenet_mean", DEFAULT_MEAN)
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std = meta.get("imagenet_std", DEFAULT_STD)
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return class_names, image_size, mean, std
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return DEFAULT_CLASS_NAMES, DEFAULT_IMAGE_SIZE, DEFAULT_MEAN, DEFAULT_STD
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CLASS_NAMES, IMAGE_SIZE, IMAGENET_MEAN, IMAGENET_STD = load_meta()
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class TorchCNN(nn.Module):
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def __init__(self, num_classes=6):
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super().__init__()
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self.features = nn.Sequential(
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nn.Conv2d(3, 32, 3, padding=1),
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nn.BatchNorm2d(32),
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nn.ReLU(),
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nn.MaxPool2d(2),
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nn.Conv2d(32, 64, 3, padding=1),
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nn.BatchNorm2d(64),
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nn.ReLU(),
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nn.MaxPool2d(2),
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nn.Conv2d(64, 128, 3, padding=1),
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nn.BatchNorm2d(128),
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nn.ReLU(),
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nn.MaxPool2d(2),
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)
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self.classifier = nn.Sequential(
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nn.Flatten(),
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nn.Linear(128 * 18 * 18, 256),
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nn.ReLU(),
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nn.Dropout(0.4),
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nn.Linear(256, num_classes),
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)
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def forward(self, x):
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return self.classifier(self.features(x))
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def load_pytorch_model():
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ckpt = torch.load(PT_MODEL_PATH, map_location=device)
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class_names = ckpt.get("class_names", CLASS_NAMES)
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image_size = int(ckpt.get("image_size", IMAGE_SIZE))
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model = TorchCNN(num_classes=len(class_names))
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model.load_state_dict(ckpt["model_state"])
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model.to(device).eval()
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return model, class_names, image_size
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def preprocess_pytorch(image: Image.Image, image_size: int):
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tfm = transforms.Compose(
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[
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transforms.Resize((image_size, image_size)),
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transforms.ToTensor(),
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transforms.Normalize(mean=IMAGENET_MEAN, std=IMAGENET_STD),
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]
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)
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x = tfm(image.convert("RGB")).unsqueeze(0)
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return x.to(device)
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def load_tensorflow_model():
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return tf.keras.models.load_model(TF_MODEL_PATH)
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def preprocess_tensorflow(image: Image.Image, image_size: int):
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image = image.convert("RGB").resize((image_size, image_size))
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x = np.asarray(image, dtype=np.float32) / 255.0
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mean = np.array(IMAGENET_MEAN, dtype=np.float32)
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std = np.array(IMAGENET_STD, dtype=np.float32)
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x = (x - mean) / std
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return np.expand_dims(x, axis=0)
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pt_model = None
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pt_class_names = None
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pt_image_size = None
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tf_model = None
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def predict(model_choice, image):
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global pt_model, pt_class_names, pt_image_size, tf_model
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if image is None:
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return "Please upload an image.", "", {}
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try:
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pil_img = image if isinstance(image, Image.Image) else Image.fromarray(image)
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if model_choice == "PyTorch":
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if pt_model is None:
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pt_model, pt_class_names, pt_image_size = load_pytorch_model()
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x = preprocess_pytorch(pil_img, pt_image_size)
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with torch.no_grad():
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logits = pt_model(x)
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probs = torch.softmax(logits, dim=1).cpu().numpy()[0]
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pred_idx = int(np.argmax(probs))
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label = pt_class_names[pred_idx]
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confidence = float(probs[pred_idx])
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details = {pt_class_names[i]: float(probs[i]) for i in range(len(pt_class_names))}
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return f"Prediction: {label}", f"Confidence: {confidence:.2%}", details
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if tf_model is None:
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tf_model = load_tensorflow_model()
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x = preprocess_tensorflow(pil_img, IMAGE_SIZE)
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probs = tf_model.predict(x, verbose=0)[0]
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pred_idx = int(np.argmax(probs))
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label = CLASS_NAMES[pred_idx]
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confidence = float(probs[pred_idx])
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details = {CLASS_NAMES[i]: float(probs[i]) for i in range(len(CLASS_NAMES))}
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return f"Prediction: {label}", f"Confidence: {confidence:.2%}", details
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except Exception as exc:
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return f"Inference error: {exc}", "", {}
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CUSTOM_CSS = """
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.gradio-container { max-width: 1050px !important; }
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.main-card {
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border-radius: 20px;
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padding: 18px;
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background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 45%, #1d4ed8 100%);
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color: white;
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}
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.main-title { font-size: 30px; font-weight: 800; margin-bottom: 6px; }
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.subtitle { color: #dbeafe; font-size: 14px; }
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.badge {
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display: inline-block;
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padding: 6px 10px;
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margin-right: 8px;
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border-radius: 999px;
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background: rgba(255,255,255,0.18);
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font-size: 12px;
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}
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"""
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with gr.Blocks(theme=gr.themes.Soft(), css=CUSTOM_CSS, title="Intel Classifier") as demo:
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gr.HTML(
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"""
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<div class="main-card">
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<div class="main-title">Intel Image Classification</div>
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<div class="subtitle">Choose a model, upload an image, and get the predicted class.</div>
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<div style="margin-top:10px;">
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<span class="badge">PyTorch + TensorFlow</span>
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<span class="badge">6 Classes</span>
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<span class="badge">Image Size: 150x150</span>
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</div>
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</div>
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"""
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)
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with gr.Row():
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with gr.Column(scale=1):
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model_choice = gr.Dropdown(
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choices=["PyTorch", "TensorFlow"],
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value="PyTorch",
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label="Model",
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)
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image_input = gr.Image(type="pil", label="Upload image")
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with gr.Row():
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predict_btn = gr.Button("Predict", variant="primary")
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clear_btn = gr.Button("Clear")
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with gr.Column(scale=1):
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pred_text = gr.Textbox(label="Predicted class")
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conf_text = gr.Textbox(label="Confidence")
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probs = gr.Label(label="Class probabilities", num_top_classes=6)
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predict_btn.click(
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fn=predict,
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inputs=[model_choice, image_input],
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outputs=[pred_text, conf_text, probs],
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)
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clear_btn.click(
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fn=lambda: ("", "", None, None),
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inputs=[],
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outputs=[pred_text, conf_text, probs, image_input],
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)
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if __name__ == "__main__":
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demo.launch(server_name="0.0.0.0", server_port=7860)
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