app.py

from ultralytics import YOLO
import gradio as gr
import numpy as np
import cv2

# Load the trained model
model = YOLO('/content/drive/MyDrive/MS-Thesis/Multi-Class Classification/runs/classify/train4/weights/best.pt')  # Replace with the path to your trained model

# Prediction function
def predict_image(image):
    try:
        # Convert the input image to the format expected by the model
        image = np.array(image)
        image_bgr = cv2.cvtColor(image, cv2.COLOR_RGB2BGR)

        # Make prediction
        results = model.predict(image_bgr)
        
        # Get the predicted class and confidence using the correct attributes
        predicted_class = results[0].names[results[0].probs.top1]
        confidence = results[0].probs.top1conf
        
        # Annotate image with predicted class and confidence
        annotated_image = image.copy()
        cv2.putText(annotated_image, f"{predicted_class}: {confidence:.2f}",
                    (10, 30), cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 0, 0), 2, cv2.LINE_AA)
        
        # Convert the annotated image back to RGB for display
        annotated_image_rgb = cv2.cvtColor(annotated_image, cv2.COLOR_BGR2RGB)
        
        return annotated_image_rgb, f"Predicted: {predicted_class} with {confidence:.2f} confidence"
    
    except Exception as e:
        # Return an error message if something goes wrong
        return None, f"Error: {str(e)}"

# Define the Gradio interface
interface = gr.Interface(
    fn=predict_image,
    inputs=gr.Image(label="Upload an Image"),
    outputs=[gr.Image(label="Annotated Image"), gr.Text(label="Prediction")],
    title="Fruit Freshness Classifier",
    description="Upload an image of a fruit, and the model will predict whether it is Fresh, Mild, or Rotten, and display the result on the image."
)

# Launch the interface
interface.launch()