app.py
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import gradio as gr
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@@ -123,129 +122,3 @@ with gr.Blocks() as demo:
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if __name__ == "__main__":
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demo.launch(share = True)
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=======
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import gradio as gr
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import os
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import json
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from ultralytics import YOLO
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import supervision as sv
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# --- 1. CONFIGURATION ---
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# Folder where the script is
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BASE_DIR = os.path.dirname(os.path.abspath(__file__))
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# Go up one level to Om_Singh
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PROJECT_DIR = os.path.dirname(BASE_DIR) # parent folder of app/
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# Paths for outputs in video_and_json folder
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VIDEO_DIR = os.path.join(PROJECT_DIR, "video_and_json") # Om_Singh/video_and_json
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os.makedirs(VIDEO_DIR, exist_ok=True) # ensure folder exists
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MODEL_PATH = os.path.join(BASE_DIR, "best.pt") # model stays in app/
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OUTPUT_VIDEO_PATH = os.path.join(VIDEO_DIR, "output.mp4")
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OUTPUT_JSON_PATH = os.path.join(VIDEO_DIR, "result.json")
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def process_video(INPUT_VIDEO_PATH, OUTPUT_VIDEO_PATH, OUTPUT_JSON_PATH):
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print("Loading model...")
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model = YOLO(MODEL_PATH)
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print("Initializing tracker and annotators...")
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tracker = sv.ByteTrack()
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box_annotator = sv.BoxAnnotator(thickness=5)
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label_annotator = sv.LabelAnnotator(text_position=sv.Position.TOP_CENTER, text_scale = 1, text_thickness= 1)
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sv.LabelAnnotator()
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frame_generator = sv.get_video_frames_generator(source_path=INPUT_VIDEO_PATH)
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video_info = sv.VideoInfo.from_video_path(INPUT_VIDEO_PATH)
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results_list = []
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with sv.VideoSink(target_path=OUTPUT_VIDEO_PATH, video_info=video_info) as sink:
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print("Processing video frames...")
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for frame_number, frame in enumerate(frame_generator):
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# Run YOLO prediction
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results = model(frame)[0]
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detections = sv.Detections.from_ultralytics(results)
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# Update tracker
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tracked_detections = tracker.update_with_detections(detections=detections)
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# Prepare labels
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labels = [
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f"ID: {det[4]} {model.model.names[int(det[3])]}"
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for det in tracked_detections
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]
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# Annotate frame
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annotated_frame = box_annotator.annotate(scene=frame.copy(), detections=tracked_detections)
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annotated_frame = label_annotator.annotate(scene=annotated_frame, detections=tracked_detections, labels=labels)
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# Save tracking info
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for det in tracked_detections:
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bbox = det[0]
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conf = det[2]
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class_id = int(det[3])
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tracker_id = det[4]
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results_list.append({
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"frame_number": frame_number,
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"track_id": int(tracker_id),
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"class": model.model.names[class_id],
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"confidence": float(conf),
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"bounding_box": [int(coord) for coord in bbox]
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})
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# Write annotated frame
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sink.write_frame(frame=annotated_frame)
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if frame_number % 30 == 0:
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print(f"Processed frame {frame_number}...")
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print("Video processing complete. Saving results...")
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with open(OUTPUT_JSON_PATH, 'w') as f:
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json.dump(results_list, f, indent=4)
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print("--- All tasks finished successfully! ---")
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# --- Main processing function ---
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def process(input_video):
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output_video = "output.mp4"
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output_json = "result.json"
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# During processing: red text
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status_html = "<p style='color:red; font-weight:bold;'>Processing...</p>"
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# Run video processing
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process_video(input_video, output_video, output_json)
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# After processing: green text
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status_html = "<p style='color:limegreen; font-weight:bold;'>Processing complete!</p>"
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return status_html, output_video, output_json
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# --- Gradio UI ---
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with gr.Blocks() as demo:
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gr.Markdown("<h1 style='text-align:center;'>Vehicle and Pedestrian Tracker</h1>")
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input_video = gr.Video(label="Upload Video")
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start_btn = gr.Button("Start Tracking")
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status_display = gr.HTML("") # Initially empty
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output_video = gr.Video(label="Processed Video")
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output_json = gr.File(label="Download JSON Output")
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start_btn.click(
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fn=process,
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inputs=input_video,
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outputs=[status_display, output_video, output_json]
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)
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if __name__ == "__main__":
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demo.launch(share = True)
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>>>>>>> e23ece8b8c3eb0b71e331ad00e70aa6c54f85b8b
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import gradio as gr
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if __name__ == "__main__":
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demo.launch(share = True)
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