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Questions tagged [distortion]

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1
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1answer
135 views

How to match Blenders polynomial lens distortion model with GLSL?

I'm trying to re-implement Blenders (libmv) polynomial lens distortion model using shadertoy, in order to apply the lens distortion in another application ideally by generating a STMap for that. I ...
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0answers
237 views

Getting improper undistorted images for stereo calibration

I am trying to calibrate stereocamera using left and right chessboard images available at github.com->opencv/opencv/tree/master/samples/data After undistorting them, left images seem to look right ...
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1answer
142 views

Tesselation sine distortion?

I am experimenting on a simple wave tessellation shader. I ported it from a working vertex shader. When my frequency is higher than 1, I get strange "saw-tooth" artifacting at peaks of the wave. Here ...
2
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1answer
110 views

Forward Rendering Distortion Effect

(example of effect i am trying to render) Rendering Transparent Object in forward rendering is far easier. However I am having an issue when it comes to transparent glass like object that applies ...