frame_difference.py 文件源码

def __init__(self, files):
        if len(files) < 2:
            raise Exception('Need at least two files to compare.')

        self.image_window = 'Image'
        self.threshold_window = 'Threshold'
        self.difference_window = 'Difference'
        self.files = files
        self.tb_threshold = 'Threshold'
        self.tb_image = 'Image'
        self.current_image = 0

        self.image1 = None
        self.image2 = None
        self.difference = None
        self.threshold = 25
        self.gray = None

        cv2.namedWindow(self.image_window, cv2.WINDOW_AUTOSIZE)
        cv2.namedWindow(self.difference_window, cv2.WINDOW_AUTOSIZE)
        cv2.namedWindow(self.threshold_window, cv2.WINDOW_AUTOSIZE)
        cv2.createTrackbar(self.tb_image, self.difference_window, 0, len(self.files) - 2, self.selectImage)
        cv2.createTrackbar(self.tb_threshold, self.threshold_window, self.threshold, 255, self.renderThreshold)
        self.render()