Legacy ImageMagick Discussions Archive

As I say, it may be possible. But only if every input colour has only one output colour. And if the input image doesn't contain every possible colour, then the hald clut will include guesswork. If you know of any learning materials, I am completely ignorant with no available resources. I have defin...

As Fred says, a known process can be used to make a hald clut. Alternatively, if we have two images where one was made from the other by some unknown process, it may be possible make a hald clut that does the same thing. But if all we have is a single image, I don't know how we could make a hald cl...

The general technique is to create a base HALD image (all colors with no processing applied) using HALD:X. Save as PNG. Take the PNG image to some interactive tool like GIMP or Photoshop. Apply the same processing you want to do to an image to the HALD base image. Then save as a new PNG. Then bring...

The question is vague. What version of IM do you use? What do you mean by "derive a new hald clut from an image"? I don't know how just one image might be used to make a hald clut. Probably vague, because of lack of understanding. I downloaded ImageMagick 7.0.8 Q8 (64-bit). I meant how to...

I have used the cmd line tool to apply hald clut, but would like to derive a new hald clut from an image.

I am new to the process and could use some direction.