1 __author__ = "WSX"
2 import cv2 as cv
3 import numpy as np
4
5 image = cv.imread("1.JPG") #获取图
6
7 image_height = image.shape[0]
8 image_width = image.shape[1]
9 image_channel = image.shape[2]
10
11 # for i in range(image_height): #访问 每一个像素
12 # for j in range(image_width):
13 # for k in range(image_channel):
14 # temp = image[i , j , k]
15 # image[i , j , k] = 255 - temp
16
17 New_image = cv.bitwise_not(image) #像素取反，速度很快（依靠c代码）
18
19
20 cv.namedWindow("New_image" , cv.WINDOW_AUTOSIZE)
21 cv.imshow("New_image" , New_image)
22 cv.waitKey(0)
