Is there anyway to set the colors in the midrange to automatically level themselves to fit my requirements? I'm sorry if I'm not explaining this enough. auto-levels does not do what I want either. ![]() When I change -level option, it only works with some of the images. The light colors are getting converted to light grey instead of white. Now I need to limit the colors, but it's not converting the right ones. I can successfully convert the image to greyscale, trim the canvas, and fill the background with this command convert input.png +dither -flatten -trim -set colorspace Gray. I need to convert all the dark ones to a dark grey, the medium ones to a light grey, and the light ones to white, while maintaining the black that is already in the image. I need them greyscaled with 4 colors in them, with white being the lightest and black being the darkest.Įach image has multiple colors in it, but each color has a palette of 3 colors, a dark one, medium one, and light one. The 80x80 images are colored and probably have up to 16 colors in them. I am trying to convert 80x80 images to 56x56 images in greyscale in 2bpp.
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