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Put some background pixel into top and bottom of a image

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Malan Jayanka
Malan Jayanka 2016-10-23
评论： Image Analyst 2016-10-23

I have a image like this and I want to put some background pixels to top and bottom of the image. How to do this??

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回答（1 个）

Image Analyst
Image Analyst 2016-10-23
Expand the canvass with padarray(). Then use copy and paste, like my attached demo.
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Malan Jayanka
Malan Jayanka 2016-10-23
编辑：Malan Jayanka 2016-10-23
Expand the canvass with padarray() mena this?
And also this code is work only for gray scale images??how to do this with RGB images??

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