opencv报错:error: (-215:Assertion failed) src.type() == CV_8UC1 in function ‘cv::adaptiveThreshold‘
报错代码段为:binary=cv2.adaptiveThreshold(img,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C,cv2.THRESH_BINARY_INV,25,15)之前没用过这个自适应的阈值设置,这个需要以灰度图读入,但是我是以彩色图读入的,即:把0改为1即为以灰度图读入:改过来之后就不会报错了。