Image-based GLSL target tracker?


Hope I’m not too off-topic … I’m looking to implement a very simplistic contrast tracker in GLSL … for example, an algorithm that would track “hot” pixels in an IR or Night-vision scene.

Does anyone have a very simplistic implementation of such an algorithm? … or even a description of where to get started?

My primary motivation is something that “looks” good … for a gaming application.


Perhaps a variation on optical flow? I imagine you could probably find a way to do that on the GPU, though it might take some work.

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