Why is "ImageType" shown as "grayscale" when using "aviinfo"?
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When I use the 'aviinfo' function to show information about a given .avi file, the image type is always shown as "grayscale". If I play the avi file in any player, it certainly isn't monochrome. So why does Matlab see it as such? I want to use 'aviread' to capture frames from my avi file. However, the captured frames have no colormaps and are 2-dimensional matricies. I have even tried recording an avi file on a computer that has the 24-bit colorscheme, which is what 'aviread' claims to support. However, the frames still show as grayscale. What am I doing wrong? Thanks for your time.
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Image Analyst
2011년 6월 6일
My avi file (the rhinos.avi movie that ships with MATLAB) shows ImageType: 'truecolor' so I guess yours must be some kind of pseudocolored (indexed) movie - a grayscale movie that has an associated colormap. You can post your movie to your favorite sharing web site if you want people to take a look at it.
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