Yeah I was just using Windows because that's what I was familiar with. I guess on Linux is can vary a lot more on the setup.
So yeah for Octave you need to know what Octave does with the data afterwards. If it's saving a matrix to a PNG say, it could assume the matrix is linear and convert to sRGB which would be a good choice if it also supported say OpenEXR files. However it could also just take the values raw, assuming you'd convert the data to sRGB before saving. Or even allow you to specify the color space in the iCCP chunk, which would give you more power.
Again, what it actually does is something that needs to be looked up.
Yeah, since we're learning, we're not doing anything fancy on that side (at least yet), so (so far) working with sRGB bmp/png/jpg input and sRGB bmp output.
So yeah for Octave you need to know what Octave does with the data afterwards. If it's saving a matrix to a PNG say, it could assume the matrix is linear and convert to sRGB which would be a good choice if it also supported say OpenEXR files. However it could also just take the values raw, assuming you'd convert the data to sRGB before saving. Or even allow you to specify the color space in the iCCP chunk, which would give you more power.
Again, what it actually does is something that needs to be looked up.