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| import gradio as gr | |
| import torch | |
| from torch import nn | |
| from torchvision import models, transforms | |
| from huggingface_hub import hf_hub_download | |
| from PIL import Image | |
| import os | |
| import logging | |
| # Setup logging | |
| logging.basicConfig(level=logging.INFO) | |
| # Define the number of classes | |
| num_classes = 2 | |
| # Download model from Hugging Face | |
| def download_model(): | |
| model_path = hf_hub_download(repo_id="jays009/Restnet50", filename="pytorch_model.bin") | |
| return model_path | |
| # Load the model from Hugging Face | |
| def load_model(model_path): | |
| model = models.resnet50(pretrained=False) | |
| model.fc = nn.Linear(model.fc.in_features, num_classes) | |
| model.load_state_dict(torch.load(model_path, map_location=torch.device("cpu"))) | |
| model.eval() | |
| return model | |
| # Download the model and load it | |
| model_path = download_model() | |
| model = load_model(model_path) | |
| # Define the transformation for the input image | |
| transform = transforms.Compose([ | |
| transforms.Resize(256), | |
| transforms.CenterCrop(224), | |
| transforms.ToTensor(), | |
| transforms.Normalize([0.485, 0.456, 0.406], [0.229, 0.224, 0.225]), | |
| ]) | |
| # Prediction function for an uploaded image | |
| def predict_from_image(image): | |
| try: | |
| # Ensure the input is a valid PIL image | |
| if not isinstance(image, Image.Image): | |
| raise ValueError("Invalid image format received. Please provide a valid image.") | |
| # Log the input for debugging | |
| logging.info("Received image for prediction") | |
| # Apply transformations | |
| image_tensor = transform(image).unsqueeze(0) | |
| # Predict | |
| with torch.no_grad(): | |
| outputs = model(image_tensor) | |
| predicted_class = torch.argmax(outputs, dim=1).item() | |
| # Interpret the result | |
| if predicted_class == 0: | |
| return {"result": "The photo is of fall army worm with problem ID 126."} | |
| elif predicted_class == 1: | |
| return {"result": "The photo is of a healthy maize image."} | |
| else: | |
| return {"error": "Unexpected class prediction."} | |
| except Exception as e: | |
| logging.error(f"Error during prediction: {str(e)}") | |
| return {"error": f"Failed to process the image: {str(e)}"} | |
| # Gradio interface restricted to image input | |
| iface = gr.Interface( | |
| fn=predict_from_image, # Only handle image input | |
| inputs=gr.Image(type="pil", label="Upload an Image"), # Restrict input to image upload | |
| outputs=gr.JSON(label="Prediction Result"), | |
| live=True, | |
| title="Maize Anomaly Detection", | |
| description="Upload an image to detect anomalies in maize crops.", | |
| ) | |
| # Launch the interface locally | |
| if __name__ == "__main__": | |
| iface.launch() |