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| import gradio as gr | |
| from ultralytics import YOLO | |
| import cv2 | |
| import numpy as np | |
| # Charger le modèle YOLOv8 pré-entraîné | |
| model = YOLO("yolov8n.pt") | |
| # Fonction pour la détection sur image | |
| def detect_objects_image(img): | |
| results = model(img) # Détection | |
| annotated_frame = results[0].plot() # Annoter les résultats | |
| return annotated_frame | |
| # Fonction pour la détection sur vidéo (frame par frame) | |
| def detect_objects_video(video): | |
| cap = cv2.VideoCapture(video) | |
| frames = [] | |
| while cap.isOpened(): | |
| ret, frame = cap.read() | |
| if not ret: | |
| break | |
| results = model(frame) | |
| annotated = results[0].plot() | |
| frames.append(annotated) | |
| cap.release() | |
| # Convertir la liste de frames en vidéo | |
| output_path = "annotated_video.mp4" | |
| height, width, _ = frames[0].shape | |
| out = cv2.VideoWriter(output_path, cv2.VideoWriter_fourcc(*'mp4v'), 20, (width, height)) | |
| for frame in frames: | |
| out.write(cv2.cvtColor(frame, cv2.COLOR_RGB2BGR)) | |
| out.release() | |
| return output_path | |
| # Interfaces Gradio | |
| image_interface = gr.Interface( | |
| fn=detect_objects_image, | |
| inputs=gr.Image(type="numpy", label="Image à analyser"), | |
| outputs=gr.Image(type="numpy", label="Image annotée"), | |
| title="Détection sur Image" | |
| ) | |
| video_interface = gr.Interface( | |
| fn=detect_objects_video, | |
| inputs=gr.Video(label="Vidéo à analyser"), | |
| outputs=gr.Video(label="Vidéo annotée"), | |
| title="Détection sur Vidéo" | |
| ) | |
| # Interface avec onglets | |
| demo = gr.TabbedInterface( | |
| interface_list=[image_interface, video_interface], | |
| tab_names=["Image", "Vidéo"], | |
| theme='JohnSmith9982/small_and_pretty' | |
| ) | |
| demo.launch() | |