import cv2
import numpy as np
img = cv2.imread('pic1.png')
res = cv2.resize(img, None, fx=2, fy=2, interpolation=cv2.INTER_CUBIC)
# OR
# 直接设置输出图像的尺寸
height, width = img.shape[:2]
res = cv2.resize(img, (2*width, 2*height), interpolation=cv2.INTER_CUBIC)
mhh = cv2.getRotationMatrix2D((height/2, width/2), 45, 0.6)
dst = cv2.warpAffine(img, mhh, (2*width, 2*height))
cv2.imshow('img1', dst)
cv2.imshow('res', res)
cv2.imshow('img', img)
cv2.waitKey(0)
cv2.destroyAllWindows()
Python 10.OpenCV 放大图片旋转图片等
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转载自blog.csdn.net/qq_36071362/article/details/104110375
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