import numpy as np, cv
img1 = cv.LoadImage(fn1, 0)
img2 = cv.LoadImage(fn2, 0)
h1, w1 = img1.height,img1.width
h2, w2 = img2.height,img2.width
# 创建足够大的数组，以便将两张图片放在一起。
vis = np.zeros((max(h1, h2), w1+w2), np.float32)
mat1 = cv.CreateMat(img1.height,img1.width, cv.CV_32FC1)
cv.Convert( img1, mat1 )
mat2 = cv.CreateMat(img2.height, img2.width, cv.CV_32FC1)
cv.Convert( img2, mat2 )
# 将两张图片复制到合成图像中。
vis[:h1, :w1] = mat1
vis[:h2, w1:w1+w2] = mat2
h,w = vis.shape
vis2 = cv.CreateMat(h, w, cv.CV_32FC3)
vis0 = cv.fromarray(vis)
cv.CvtColor(vis0, vis2, cv.CV_GRAY2BGR)
cv.ShowImage('test', vis2)
cv.WaitKey()

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