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Create app.py
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app.py
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| 1 |
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import gradio as gr
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| 2 |
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import cv2
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| 3 |
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import numpy as np
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| 4 |
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from pathlib import Path
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import tempfile
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import shutil
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import threading
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| 8 |
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import time
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from datetime import datetime, timedelta
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import os
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| 12 |
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class WatermarkRemover:
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| 13 |
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def __init__(self):
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| 14 |
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self.temp_dir = Path(tempfile.gettempdir()) / "watermark_removal"
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| 15 |
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self.temp_dir.mkdir(exist_ok=True)
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| 16 |
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self.start_cleanup_thread()
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| 17 |
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def start_cleanup_thread(self):
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"""Inicia thread para limpiar archivos antiguos cada hora"""
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def cleanup_worker():
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| 21 |
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while True:
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self.cleanup_old_files()
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time.sleep(3600) # Revisar cada hora
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thread = threading.Thread(target=cleanup_worker, daemon=True)
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thread.start()
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def cleanup_old_files(self):
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"""Elimina archivos temporales mayores a 2 horas"""
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| 30 |
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try:
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| 31 |
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cutoff_time = datetime.now() - timedelta(hours=2)
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for file_path in self.temp_dir.glob("*"):
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if file_path.is_file():
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file_time = datetime.fromtimestamp(file_path.stat().st_mtime)
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| 35 |
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if file_time < cutoff_time:
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file_path.unlink()
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| 37 |
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print(f"Archivo eliminado: {file_path.name}")
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| 38 |
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except Exception as e:
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| 39 |
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print(f"Error en limpieza: {e}")
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| 40 |
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| 41 |
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def detect_watermark_region(self, frame):
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| 42 |
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"""
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| 43 |
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Detecta regiones candidatas de marca de agua usando análisis de opacidad
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| 44 |
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y detección de bordes
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| 45 |
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"""
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| 46 |
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# Convertir a escala de grises
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| 47 |
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gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
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| 48 |
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| 49 |
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# Detectar bordes para encontrar contornos de marca de agua
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| 50 |
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edges = cv2.Canny(gray, 50, 150)
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| 51 |
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| 52 |
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# Encontrar regiones con alta densidad de bordes (posibles watermarks)
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| 53 |
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kernel = np.ones((15, 15), np.uint8)
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| 54 |
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dilated = cv2.dilate(edges, kernel, iterations=2)
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| 55 |
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| 56 |
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# Encontrar contornos
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| 57 |
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contours, _ = cv2.findContours(dilated, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE)
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| 58 |
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| 59 |
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# Filtrar contornos por tamaño (marcas de agua suelen ser pequeñas/medianas)
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| 60 |
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watermark_regions = []
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| 61 |
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h, w = frame.shape[:2]
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| 62 |
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| 63 |
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for contour in contours:
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| 64 |
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area = cv2.contourArea(contour)
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| 65 |
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# Marca de agua típicamente entre 0.1% y 10% del área total
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| 66 |
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if 0.001 * (h * w) < area < 0.1 * (h * w):
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| 67 |
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x, y, w_box, h_box = cv2.boundingRect(contour)
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| 68 |
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watermark_regions.append((x, y, w_box, h_box))
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| 69 |
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| 70 |
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return watermark_regions
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| 71 |
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| 72 |
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def inpaint_watermark(self, frame, regions):
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| 73 |
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"""
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| 74 |
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Elimina marcas de agua usando inpainting
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| 75 |
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"""
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| 76 |
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# Crear máscara para las regiones detectadas
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| 77 |
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mask = np.zeros(frame.shape[:2], dtype=np.uint8)
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| 78 |
+
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| 79 |
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for (x, y, w, h) in regions:
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| 80 |
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# Expandir ligeramente la región para asegurar eliminación completa
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| 81 |
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padding = 5
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| 82 |
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x1 = max(0, x - padding)
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| 83 |
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y1 = max(0, y - padding)
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| 84 |
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x2 = min(frame.shape[1], x + w + padding)
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| 85 |
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y2 = min(frame.shape[0], y + h + padding)
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| 86 |
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| 87 |
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mask[y1:y2, x1:x2] = 255
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| 88 |
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| 89 |
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# Aplicar inpainting si hay regiones detectadas
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| 90 |
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if np.any(mask):
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| 91 |
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result = cv2.inpaint(frame, mask, 3, cv2.INPAINT_TELEA)
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| 92 |
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return result, True
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| 93 |
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| 94 |
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return frame, False
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| 95 |
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| 96 |
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def remove_static_patterns(self, frame, reference_frames):
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| 97 |
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"""
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| 98 |
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Elimina patrones estáticos comparando con frames de referencia
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| 99 |
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"""
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| 100 |
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if len(reference_frames) < 3:
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| 101 |
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return frame
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| 102 |
+
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| 103 |
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# Calcular mediana de frames de referencia
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| 104 |
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median_frame = np.median(reference_frames, axis=0).astype(np.uint8)
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| 105 |
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| 106 |
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# Diferencia entre frame actual y mediana
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| 107 |
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diff = cv2.absdiff(frame, median_frame)
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| 108 |
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gray_diff = cv2.cvtColor(diff, cv2.COLOR_BGR2GRAY)
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| 109 |
+
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| 110 |
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# Umbralizar para encontrar píxeles estáticos diferentes
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| 111 |
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_, mask = cv2.threshold(gray_diff, 30, 255, cv2.THRESH_BINARY_INV)
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| 112 |
+
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| 113 |
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# Dilatar máscara para incluir bordes
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| 114 |
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kernel = np.ones((5, 5), np.uint8)
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| 115 |
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mask = cv2.dilate(mask, kernel, iterations=1)
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| 116 |
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| 117 |
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# Aplicar inpainting en áreas estáticas diferentes
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| 118 |
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result = cv2.inpaint(frame, mask, 3, cv2.INPAINT_TELEA)
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| 119 |
+
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| 120 |
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return result
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| 121 |
+
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| 122 |
+
def process_video(self, video_path, progress=gr.Progress()):
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| 123 |
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"""
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| 124 |
+
Procesa el video completo para eliminar marcas de agua móviles
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| 125 |
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"""
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| 126 |
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try:
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| 127 |
+
progress(0, desc="Iniciando procesamiento...")
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| 128 |
+
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| 129 |
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# Abrir video
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| 130 |
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cap = cv2.VideoCapture(video_path)
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| 131 |
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| 132 |
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if not cap.isOpened():
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| 133 |
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return None, "Error: No se pudo abrir el video"
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| 134 |
+
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| 135 |
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# Obtener propiedades del video
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| 136 |
+
fps = int(cap.get(cv2.CAP_PROP_FPS))
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| 137 |
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width = int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
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| 138 |
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height = int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
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| 139 |
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total_frames = int(cap.get(cv2.CAP_PROP_FRAME_COUNT))
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| 140 |
+
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| 141 |
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# Crear archivo de salida
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| 142 |
+
timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
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| 143 |
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output_path = self.temp_dir / f"cleaned_{timestamp}.mp4"
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| 144 |
+
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| 145 |
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# Configurar writer
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| 146 |
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fourcc = cv2.VideoWriter_fourcc(*'mp4v')
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| 147 |
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out = cv2.VideoWriter(str(output_path), fourcc, fps, (width, height))
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| 148 |
+
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| 149 |
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reference_frames = []
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| 150 |
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frame_count = 0
|
| 151 |
+
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| 152 |
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progress(0.1, desc="Procesando frames...")
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| 153 |
+
|
| 154 |
+
while True:
|
| 155 |
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ret, frame = cap.read()
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| 156 |
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if not ret:
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| 157 |
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break
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| 158 |
+
|
| 159 |
+
# Mantener buffer de frames de referencia (últimos 10 frames)
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| 160 |
+
if len(reference_frames) >= 10:
|
| 161 |
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reference_frames.pop(0)
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| 162 |
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reference_frames.append(frame.copy())
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| 163 |
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|
| 164 |
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# Detectar y eliminar marcas de agua
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| 165 |
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processed_frame = frame.copy()
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| 166 |
+
|
| 167 |
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# Método 1: Detección por contornos
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| 168 |
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regions = self.detect_watermark_region(processed_frame)
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| 169 |
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if regions:
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| 170 |
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processed_frame, _ = self.inpaint_watermark(processed_frame, regions)
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| 171 |
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|
| 172 |
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# Método 2: Eliminación de patrones estáticos
|
| 173 |
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if len(reference_frames) >= 5:
|
| 174 |
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processed_frame = self.remove_static_patterns(processed_frame, reference_frames)
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| 175 |
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| 176 |
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# Escribir frame procesado
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| 177 |
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out.write(processed_frame)
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| 178 |
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| 179 |
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frame_count += 1
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| 180 |
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if frame_count % 10 == 0:
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| 181 |
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progress_value = 0.1 + (0.8 * frame_count / total_frames)
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| 182 |
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progress(progress_value, desc=f"Procesando: {frame_count}/{total_frames} frames")
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| 183 |
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| 184 |
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# Liberar recursos
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| 185 |
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cap.release()
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| 186 |
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out.release()
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| 187 |
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| 188 |
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progress(1.0, desc="¡Completado!")
|
| 189 |
+
|
| 190 |
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return str(output_path), f"Video procesado exitosamente: {frame_count} frames"
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| 191 |
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| 192 |
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except Exception as e:
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| 193 |
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return None, f"Error durante el procesamiento: {str(e)}"
|
| 194 |
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| 195 |
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# Crear instancia del removedor
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| 196 |
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remover = WatermarkRemover()
|
| 197 |
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|
| 198 |
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def process_video_interface(video_file):
|
| 199 |
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"""Interfaz para Gradio"""
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| 200 |
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if video_file is None:
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| 201 |
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return None, "Por favor, carga un video"
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| 202 |
+
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| 203 |
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output_path, message = remover.process_video(video_file)
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| 204 |
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| 205 |
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return output_path, message
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| 206 |
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| 207 |
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# Crear interfaz de Gradio
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| 208 |
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with gr.Blocks(title="Eliminador de Marcas de Agua") as demo:
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| 209 |
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gr.Markdown("""
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| 210 |
+
# 🎬 Eliminador de Marcas de Agua de Videos
|
| 211 |
+
|
| 212 |
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Sube tu video y esta herramienta eliminará automáticamente las marcas de agua móviles.
|
| 213 |
+
|
| 214 |
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**Características:**
|
| 215 |
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- Detecta y elimina marcas de agua móviles
|
| 216 |
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- Procesa videos de cualquier tamaño
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| 217 |
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- Limpieza automática de archivos temporales (cada 2 horas)
|
| 218 |
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- Soporta múltiples formatos de video
|
| 219 |
+
""")
|
| 220 |
+
|
| 221 |
+
with gr.Row():
|
| 222 |
+
with gr.Column():
|
| 223 |
+
video_input = gr.Video(label="Video Original")
|
| 224 |
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process_btn = gr.Button("🚀 Eliminar Marcas de Agua", variant="primary")
|
| 225 |
+
|
| 226 |
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with gr.Column():
|
| 227 |
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video_output = gr.Video(label="Video Limpio")
|
| 228 |
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status_output = gr.Textbox(label="Estado", lines=3)
|
| 229 |
+
|
| 230 |
+
process_btn.click(
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| 231 |
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fn=process_video_interface,
|
| 232 |
+
inputs=[video_input],
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| 233 |
+
outputs=[video_output, status_output]
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| 234 |
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)
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| 235 |
+
|
| 236 |
+
gr.Markdown("""
|
| 237 |
+
---
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| 238 |
+
### 📝 Notas:
|
| 239 |
+
- Los archivos temporales se eliminan automáticamente después de 2 horas
|
| 240 |
+
- El procesamiento puede tardar según el tamaño del video
|
| 241 |
+
- Para mejores resultados, usa videos con buena calidad
|
| 242 |
+
""")
|
| 243 |
+
|
| 244 |
+
if __name__ == "__main__":
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| 245 |
+
demo.launch()
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