Matlab convert 2d images to 3d image8/10/2023 ![]() ![]() So as you see the image looks 3D but the data is actually 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). To convert 2D images to 3D images in MATLAB, you can use the repmat function to replicate the 2D im. I want to take all these slices and put them all together to form a 3D image of the brain. Let's read and use the rgb2ind function to store the image data in variable X and its associated colormap in variable map. How to convert 2D images to 1 3D image Follow 51 views (last 30 days) Show older comments Taylor Heilig on Vote 0 Link Commented: Image Analyst on I have about 170 2D image slices of a brain. 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. How to convert 2d images to a 3d image (MRI). 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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