9/25/2023 0 Comments Matlab convert 3d image to 2d![]() ![]() Or we can use any other colormap of our choice.Ĭolormap(jet(200)) %// The size can be different than the original colormap For instance, we can use the original colormap (stored in map) in order to get the following: image(X) If we wish to display this 2D data as a colorful we need to provide a suitable colormap. So a 2D variable, even though the original image ( a) was 3D (rgb). Let's read and use the rgb2ind function to store the image data in variable X and its associated colormap in variable map. So if the colormap is a 256x3 array, for example, the image will be made of indices ranging from 0 to 255.įor example, let's consider the peppers.png demo image that ships with Matlab. In this case the colormap will be a Nx3 array where each row corresponds to an index present (or not) in the image data. ![]() If I understood right you can store the image data as a 2D array and use a colormap to assign it colors, displaying it as a "colorful" image.
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