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Results tagged with interpolation
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user 42145
The practice of estimating a result (usually numeric) based on a set of known results.
10
votes
2
answers
2k
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How do I avoid interpolation artefacts when scaling up a heightmap?
However, these artifacts don't seem to appear when I use a simple cubic interpolation (spline). … Linear interpolation (shows the pixels boundaries):
Bicubic interpolation (artifacts visible at pixels boundaries):
Cubic interpolation (no noticeable artifacts):
I tried several bicubic formulas …
- 141
4
votes
How do I avoid interpolation artefacts when scaling up a heightmap?
I implemented it and it looks fine, even if it's an approximation and not an interpolation (it doesn't go through the samples).
B-spline (approximation): …
- 141