minH =cv2.getTrackbarPos("Hmin"."skin") # 获取bar
cv2.error:Opencv(4.5.5)/tmp/i-wheel-5v2wouk5/opencv-contrib-oython f04c010cf0414c5a81144576b45aa287/opencv/modules/highgui/src/window.cpp:862: error:(-215:Assertion failed) trackbar i n function 'getTrackbarpos' 求解答
树莓派图像识别opencv
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