Questions about the variation of colour and shape in visual elements, text and illustrations, to define difference/sameness.

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3
votes
2answers
79 views

How to create an 16× error/difference image using GIMP or Photoshop

I need to create a quality comparison between two rendering methods by showing the difference of the results akin to figure 6 in [Walter et al. 2005] (p. 5): (Image copyright by Walter et al. 2005). ...
4
votes
0answers
62 views

How to visually represent a color contrast issue to a person with normal color vision?

I have two colors — #FFFFFF and #009688. I want to simulate graphically how it will appear to a person with color blindness issues so that I can present it to a person with normal vision and explain ...
1
vote
0answers
120 views

Auto - Fix an image of its contrast and brightness - Pixel Bender

I am developing a filter in Pixel Bender. It needs me to apply an auto-fix to the image before the filter is applied. Currently this is my progress in it -> dst = sampleNearest(src,outCoord()); ...