opencv 仿射变换
1 import cv2 as cv 2 import numpy as np 3 4 5 img = cv.imread('../images/face.jpg') 6 h, w = img.shape[:2] 7 mat_src = np.float32([[0, 0], [0, h-1], [w-1, 0]]) 8 mat_dst = np.float32([[50, 50], [100, h-50], [w-50, 100]]) 9 matAffine = cv.getAffineTransform(mat_src, mat_dst) 10 dst = cv.warpAffine(img, matAffine, (w, h)) 11 cv.imshow('dst', dst) 12 cv.waitKey(0)
原图
效果
