slantcorrection.py 文件源码

def transform(image, rectpoints, dpmm):
    docpxls = (int(DOCSIZE[0]*dpmm),int(DOCSIZE[1]*dpmm))
    docrect = np.array(
                [(0,0), (docpxls[0], 0), (docpxls[0], docpxls[1]), (0, docpxls[1])],
                'float32')
    transmat = cv2.getPerspectiveTransform(np.array(rectpoints, 'float32'), docrect)
    return cv2.warpPerspective(image, transmat, docpxls)