MATLAB: Changing an image to rgb format

image processing

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?

Best Answer

  • 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