changing an image to rgb format

Question

nazli melek 2012-8-23

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https://ww2.mathworks.cn/matlabcentral/answers/46608-changing-an-image-to-rgb-format

hi every body

I have an image stored in png format,its size is 256*256 but I need to have the image in size 256*256*3 which format should I use to store it? is there any way that I can do it in matlab?

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Answer 1

Matt Fig 2012-8-23

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https://ww2.mathworks.cn/matlabcentral/answers/46608-changing-an-image-to-rgb-format#answer_57001

在 MATLAB Online 中打开

A png is already 3D. I have an image named IMG.png in my directory. Now look:

>> X = imread('IMG.png');
>> whos
   Name         Size                   Bytes  Class     Attributes
     X         2304x2857x3            19747584  uint8