本文實例為大家分享了python opencv旋轉圖像的具體代碼，保持圖像不被裁減，供大家參考，具體內容如下

# -*- coding:gb2312 -*-import cv2from math import *import numpy as npimg = cv2.imread("3-2.jpg")height,width=img.shape[:2]degree=45#旋轉后的尺寸heightNew=int(width*fabs(sin(radians(degree)))+height*fabs(cos(radians(degree))))widthNew=int(height*fabs(sin(radians(degree)))+width*fabs(cos(radians(degree))))matRotation=cv2.getRotationMatrix2D((width/2,height/2),degree,1)matRotation[0,2] +=(widthNew-width)/2 #重點在這步，目前不懂為什么加這步matRotation[1,2] +=(heightNew-height)/2 #重點在這步imgRotation=cv2.warpAffine(img,matRotation,(widthNew,heightNew),borderValue=(255,255,255))cv2.imshow("img",img)cv2.imshow("imgRotation",imgRotation)cv2.waitKey(0)

效果圖：

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持武林站長站。