Min","TrackBars",85,255,empty)
cv2.createTrackbar("Val Max","TrackBars",255,255,empty)
2.把轨迹条的参数改变和图片关联起来....getTrackbarPos("Val Min", "TrackBars")
v_max = cv2.getTrackbarPos("Val Max", "TrackBars")
3.运用于图片...empty)
while True:
img=cv2.imread(path)
imgHSV=cv2.cvtColor(img,cv2.COLOR_BGR2HSV)
#应用于图片