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1
vote
Accepted
computing derivatives of sampled data
Rather than fit bilinear patches to your sample points, which are only C0 continuous$^\spadesuit$ may I instead suggest fitting the surface using Catmull-Rom splines? These will give you C2 continuity …
2
votes
What does texture resolve mean?
Perhaps some example usage from graphics papers might be helpful - it basically refers to computing a 'pixel' value potentially from multiple fragments...
RealityEngine Graphics (Akeley. 1993)
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1
vote
Accepted
Downscaling by skipping rows and columns – any example images?
"Downscaling by skipping rows and columns – any example images?"
You asked for example images: The following is a sequence of 50 frames from a well known (and hopefully freely available) sequence, su …