Python OpenCV —— Border，,　　关于border

Python OpenCV —— Border，,　　关于border

　　关于border的部分，边缘处理。

# -*- coding: utf-8 -*-"""Created on Wed Sep 28 00:58:51 2016@author: Administrator"""# making borders for image# cv2.copyMakeBorder()import cv2import numpy as npfrom matplotlib import pyplot as pltBLUE = [255,0,0]img1 = cv2.imread(‘opencv_logo.png‘)replicate = cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_REPLICATE)reflect = cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_REFLECT)reflect101 = cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_REFLECT_101)wrap = cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_WRAP)constant = cv2.copyMakeBorder(img1,10,10,10,10,cv2.BORDER_CONSTANT,value=BLUE)plt.subplot(231),plt.imshow(img1,‘gray‘),plt.title(‘ORIGINAL‘)plt.subplot(232),plt.imshow(replicate,‘gray‘),plt.title(‘REPLICATE‘)plt.subplot(233),plt.imshow(reflect,‘gray‘),plt.title(‘REFLECT‘)plt.subplot(234),plt.imshow(reflect101,‘gray‘),plt.title(‘REFLECT101‘)plt.subplot(235),plt.imshow(wrap,‘gray‘),plt.title(‘WRAP‘)plt.subplot(236),plt.imshow(constant,‘gray‘),plt.title(‘CONSTANT‘)plt.show()

　　输出如下：

Python OpenCV —— Border