# 需要导入模块: import cv2 [as 别名]# 或者: from cv2 importCOLOR_BGR2RGBA[as 别名]defcheckSpeed(ftime,img):forvinvehicles:ifv.speedChecked==Falseandlen(v.points)>=2: x1,y1=v.points[0] x2,y2=v.points[-1]ify2<yl1andy2>yl3andv.entered==False: v.enterTime=ftime v.entered=True...
line 27, in <module> video_stream() File "/home/raspberry/project/myenv/tk_gui.py", line 20, in video_stream cv2image = cv2.cvtColor(frame, cv2.COLOR_BGR2RGBA) cv2.error: OpenCV(4.7.0) /tmp/pip-install-savyw78j/opencv-python_b8f9ba2be8f24d66872bc39347c45cd7/ope...
百度试题 结果1 题目在cvtColor()函数中用于将图像从BGR色彩空间转换为GRAY色彩空间的参数是( ) A. COLOR_BGR2RGB B. COLOR_BGR2GRAY C. COLOR_BGR2YCrCb D. COLOR_BGR2HSV 相关知识点: 试题来源: 解析 B