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import numpy as np import math import cv2 import cv2 as cv cap = cv2.VideoCapture(0) cap.set(3,320) cap.set(4,240) low_range = np.array([0,0,0]) high_range = np.array([255,30,255]) class Sobelxy():...

import cv2 #导入OpenCV包 import time #导入时钟包 import numpy as np #导入numpy包 img = cv2.VideoCapture(0) #打开pc机摄像头并给img while True: ret,a = img.read() #将摄像头采集生成图片给a cv2.imsh...