我试过这段代码:
compression_params = [cv2.CV_IMWRITE_PNG_COMPRESSION, 9]
img = cv2.imread('img1.png', cv2.IMREAD_UNCHANGED)
cv2.imwrite('compress_img1.png', img, compression_params)
但是我得到了这个错误:
AttributeError:模块'cv2'没有属性'CV_IMWRITE_PNG_COMPRESSION'
我正在使用python 3.5和opencv 3.0