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Update app.py
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app.py
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from deoldify.visualize import get_video_colorizer
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import torch
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import torch
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import cv2
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import numpy as np
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# Chemins vers le modèle et la vidéo à traiter
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MODEL_PATH = 'ColorizeVideo_gen.pth'
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VIDEO_PATH = '119195-716970703_small.mp4' # Nom de la vidéo exemple
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OUTPUT_VIDEO_PATH = 'output_video.mp4'
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# Charger le modèle
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def load_model(model_path):
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model = torch.load(model_path, map_location=torch.device('cpu')) # Charger sur le CPU
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model.eval() # Met le modèle en mode évaluation
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return model
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# Prétraitement de l'image
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def preprocess_frame(frame):
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# Redimensionner et normaliser
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frame = cv2.resize(frame, (224, 224)) # Ajustez la taille si nécessaire
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frame = frame / 255.0 # Normaliser
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input_tensor = torch.from_numpy(frame.astype(np.float32)).permute(2, 0, 1) # Convertir en format Tensor
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return input_tensor.unsqueeze(0) # Ajouter une dimension de lot
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# Traitement de la vidéo
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def process_video(model, video_path, output_path):
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cap = cv2.VideoCapture(video_path)
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fourcc = cv2.VideoWriter_fourcc(*'mp4v')
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out = cv2.VideoWriter(output_path, fourcc, 30.0, (int(cap.get(3)), int(cap.get(4))))
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while cap.isOpened():
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ret, frame = cap.read()
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if not ret:
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break
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# Prétraiter le cadre
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input_tensor = preprocess_frame(frame)
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# Faire des prédictions
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with torch.no_grad():
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predictions = model(input_tensor)
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# Traiter les prédictions et convertir en image
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output_frame = (predictions.squeeze().permute(1, 2, 0).numpy() * 255).astype(np.uint8)
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# Écrire le cadre traité dans la sortie
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out.write(output_frame)
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cap.release()
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out.release()
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# Fonction principale
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if __name__ == '__main__':
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model = load_model(MODEL_PATH)
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process_video(model, VIDEO_PATH, OUTPUT_VIDEO_PATH)
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print(f"Traitement de la vidéo terminé. Résultats enregistrés dans {OUTPUT_VIDEO_PATH}.")
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