Commit 53a727f

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img[y, x]

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Original file line number	Diff line number	Diff line change
`@@ -27,6 +27,13 @@`
`27`	`27`	`cv2.imshow('src', img)`
`28`	`28`	`cv2.moveWindow('src', 0, 0)`
`29`	`29`
	`30`	`+# read color values at position y, x`
	`31`	`+y = 100`
	`32`	`+x = 50`
	`33`	`+(b, g, r) = img[y, x]`
	`34`	`+# print color values to screen`
	`35`	`+print('bgr:',b,g,r)`
	`36`	`+`
`30`	`37`	`#先行后列`
`31`	`38`	`img[100:100 + logo.shape[0], 300:300 + logo.shape[1]] = logo[:, :, 0:3]# 两张图片的shape不一样`
`32`	`39`	`# img[10:10+logo.shape[0],30:30+logo.shape[1],:]=logo[:,:,0:3]`

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