import sysimport cv2import numpy as npimport osimport subprocessimport platformfrom PyQt5.QtWidgets import QApplication, QWidget, QVBoxLayout, QPushButton, QFileDialog, QLabelfrom PyQt5.QtCore import Qtdef apply_shading(image, alpha=1.0, beta=50): shaded_image = cv2.convertScaleAbs(image, alpha=alpha, beta=beta) return shaded_imagedef create_video_with_shading(image_files, video_path, widt..