app.py

# import cv2
# import numpy as np
# import gradio as gr
# import torch
# from ultralytics import YOLO
# # Load the YOLO model (adjust the path to your model weights and config)
# model = torch.hub.load('best.pt')  # Change to your model path

# def detect_fire(frame):
#     # Convert the frame to RGB (YOLO models usually expect this format)
#     img = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
    
#     # Use the model to detect objects
#     results = model(img)

#     # Get the predictions
#     predictions = results.pred[0]  # Assuming a single image

#     # Draw boxes on the detected fire objects
#     for *xyxy, conf, cls in predictions:
#         label = model.names[int(cls)]
#         if label == "fire":  # Adjust based on your class name for fire
#             cv2.rectangle(img, (int(xyxy[0]), int(xyxy[1])), (int(xyxy[2]), int(xyxy[3])), (255, 0, 0), 2)
#             cv2.putText(img, f"{label} {conf:.2f}", (int(xyxy[0]), int(xyxy[1]) - 10), cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255, 0, 0), 2)

#     return img

# def webcam_demo():
#     # Start video capture from webcam
#     cap = cv2.VideoCapture(0)

#     while True:
#         ret, frame = cap.read()
#         if not ret:
#             break
        
#         # Detect fire in the current frame
#         frame_with_detections = detect_fire(frame)

#         # Display the result
#         cv2.imshow("Fire Detection", frame_with_detections)

#         if cv2.waitKey(1) & 0xFF == ord('q'):
#             break

#     cap.release()
#     cv2.destroyAllWindows()

# # Create a Gradio interface
# iface = gr.Interface(
#     fn=webcam_demo,
#     inputs=[],
#     outputs="image",
#     title="Fire Detection using Webcam",
#     description="This application detects fire using a webcam feed."
# )

# # Launch the Gradio app
# iface.launch()
# import gradio as gr
# import PIL.Image as Image
# from ultralytics import YOLO

# # Load the YOLOv8 model
# model = YOLO("best.pt")

# def predict_image(img, conf_threshold, iou_threshold):
#     """Predicts objects in an image using a YOLOv8 model with adjustable confidence and IOU thresholds."""
#     results = model.predict(
#         source=img,
#         conf=conf_threshold,
#         iou=iou_threshold,
#         show_labels=True,
#         show_conf=True,
#         imgsz=640,
#     )

#     for r in results:
#         im_array = r.plot()
#         im = Image.fromarray(im_array[..., ::-1])

#     return im

# iface = gr.Interface(
#     fn=predict_image,
#     inputs=[
#         gr.Image(source="webcam", type="pil", label="Capture Image"),
#         gr.Slider(minimum=0, maximum=1, value=0.25, label="Confidence threshold"),
#         gr.Slider(minimum=0, maximum=1, value=0.45, label="IoU threshold"),
#     ],
#     outputs=gr.Image(type="pil", label="Result"),
#     live=True,  # Enables real-time processing
#     title="Ultralytics Gradio",
#     description="Capture images from your webcam for real-time inference using the Ultralytics YOLOv8n model.",
# )

# if __name__ == "__main__":
#     iface.launch()

import cv2
import gradio as gr
from ultralytics import YOLO

# Load the YOLO model (update the path to your fire detection model weights)
model = YOLO('best.pt')  # Replace 'path/to/your/best.pt' with the actual path to your model file

def detect_fire(frame):
    # Convert the frame to RGB format (YOLO expects this format)
    img = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
    
    # Perform fire detection using the YOLO model
    results = model(img)

    # Draw bounding boxes and labels on the detected fire areas
    for bbox in results[0].boxes:
        xyxy = bbox.xyxy[0]  # Bounding box coordinates
        conf = bbox.conf[0]  # Confidence score
        cls = int(bbox.cls[0])  # Class ID
        label = model.names[cls]  # Class name

        if label == "fire":  # Make sure this matches the label in your trained model
            # Draw a rectangle around the detected fire
            cv2.rectangle(img, (int(xyxy[0]), int(xyxy[1])), (int(xyxy[2]), int(xyxy[3])), (255, 0, 0), 2)
            # Put the label text above the rectangle
            cv2.putText(img, f"{label} {conf:.2f}", (int(xyxy[0]), int(xyxy[1]) - 10), 
                        cv2.FONT_HERSHEY_SIMPLEX, 0.5, (255, 0, 0), 2)

    # Convert the image back to BGR format for display
    return cv2.cvtColor(img, cv2.COLOR_RGB2BGR)

# Create a Gradio interface for fire detection
iface = gr.Interface(
    fn=detect_fire,
    inputs=gr.Image(source="webcam", tool="editor", streaming=True),  # Use webcam as the input source
    outputs="image",
    title="Fire Detection using YOLO",
    description="This application detects fire in real-time using a YOLO model."
)

# Launch the Gradio app
iface.launch()