python+opencv实现堆叠图片_python_

# import cv2 # import numpy as np # # img = cv2.imread('../images/full.jpg') # # img_hor = np.hstack((img,img)) # img_ver = np.vstack((img,img)) # # cv2.imshow('Horizontal',img_hor) # cv2.imshow('Vertical',img_ver) # # cv2.waitKey(0)   import cv2 import numpy as np     def stackImages(scale,imgArray):     rows = len(imgArray)     cols = len(imgArray[0])     rowsAvailable = isinstance(imgArray[0], list)     width = imgArray[0][0].shape[1]     height = imgArray[0][0].shape[0]     if rowsAvailable:         for x in range ( 0, rows):             for y in range(0, cols):                 if imgArray[x][y].shape[:2] == imgArray[0][0].shape [:2]:                     imgArray[x][y] = cv2.resize(imgArray[x][y], (0, 0), None, scale, scale)                 else:                     imgArray[x][y] = cv2.resize(imgArray[x][y], (imgArray[0][0].shape[1], imgArray[0][0].shape[0]), None, scale, scale)                 if len(imgArray[x][y].shape) == 2: imgArray[x][y]= cv2.cvtColor( imgArray[x][y], cv2.COLOR_GRAY2BGR)         imageBlank = np.zeros((height, width, 3), np.uint8)         hor = [imageBlank]*rows         hor_con = [imageBlank]*rows         for x in range(0, rows):             hor[x] = np.hstack(imgArray[x])         ver = np.vstack(hor)     else:         for x in range(0, rows):             if imgArray[x].shape[:2] == imgArray[0].shape[:2]:                 imgArray[x] = cv2.resize(imgArray[x], (0, 0), None, scale, scale)             else:                 imgArray[x] = cv2.resize(imgArray[x], (imgArray[0].shape[1], imgArray[0].shape[0]), None,scale, scale)             if len(imgArray[x].shape) == 2: imgArray[x] = cv2.cvtColor(imgArray[x], cv2.COLOR_GRAY2BGR)         hor= np.hstack(imgArray)         ver = hor     return ver   img = cv2.imread('../images/lanbojini.jpg') imgGray = cv2.cvtColor(img,cv2.COLOR_BGR2GRAY)   imgStack = stackImages(0.5,([img,imgGray,img],[img,img,img]))   # imgStack = stackImages(0.5,([img,imgGray,img],[img,img,img]))   # imgHor = np.hstack((img,img)) # imgVer = np.vstack((img,img)) # # cv2.imshow("Horizontal",imgHor) # cv2.imshow("Vertical",imgVer) cv2.imshow("ImageStack",imgStack)   cv2.waitKey(0)