import cv2
import numpy as np
img = cv2.imread('1.jpg',1)
cv2.imshow('old',img)
imgInfo = img.shape
height = imgInfo[0]
width = imgInfo[1]
matSrc = np.float32([[0,0],[0,height-1],[width-1,0]])
matDst = np.float32([[50,50],[100,height-20],[width-20,50]])
matAffine = cv2.getAffineTransform(matSrc,matDst)
dst = cv2.warpAffine(img,matAffine,(width,height))
cv2.imshow("new",dst)
cv2.waitKey(0)
import cv2
import numpy as np
img = cv2.imread('1.jpg',1)
cv2.imshow('old',img)
imgInfo = img.shape
height = imgInfo[0]
width = imgInfo[1]
matRotate = cv2.getRotationMatrix2D((height*0.5,width*0.5),45,0.5) # 参数一:旋转点 参数二:角度 参数三:缩放比
dst = cv2.warpAffine(img,matRotate,(height,width)) # 参数一:图片信息 参数二:旋转矩阵 参数三:图片的显示宽高
cv2.imshow("new",dst)
cv2.waitKey(0)
用opencv实现图片的仿射变换和旋转
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转载自blog.csdn.net/qq_15256443/article/details/84068545
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