openCV 扩图

• 2020 年 1 月 22 日
• 笔记

1、扩图

import cv2  import numpy as np  img=cv2.imread('Test2.jpg',1)  width=img.shape[0]  height=img.shape[1]  dst=np.zeros((200,200,3),np.uint8)  for i in range(200):      for j in range(200):          if i>30 and j>30 and i<190 and j<120:              print(i,j)              dst[i,j]=img[i-30,j-30]          else:              dst[i,j]=(111,111,111)    cv2.imshow('dst',dst)  cv2.imshow('src',img)  redst=cv2.resize(dst,(64,128))  cv2.imwrite('34.jpg',redst,[cv2.IMWRITE_JPEG_QUALITY,100])  cv2.waitKey(0)