Hi! I have a UInt8 matrix of 512 lines by 2048 columns where the elements can only take on the values 0x00, 0x01, 0x02, 0x03, 0x04, 0xfd, 0xfe or 0xff. I’d like to visualize this matrix as a color map, ideally in PNG or PDF format, where matrix elements == 0x00 become red pixels matrix elements =…

You should read the JuliaImages documentation , it will walk you through all these steps. It describes several visualization packages as well as the use of FileIO & ImageIO to save PNG files.

Colorizing a UInt8 matrix

New to Julia

tim.holy May 23, 2023, 10:08am 7

using FileIO, ImageIO should solve that.

1 Like

New user of Images.jl ... trouble saving grayscale PNG

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Colorizing a UInt8 matrix

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