Nathan Vegdahl
9b4781c81d
1. Use better constants for the hash-based Owen scrambling. 2. Use golden ratio sampling for the wavelength dimension. On the use of golden ratio sampling: Since hero wavelength sampling uses multiple equally-spaced wavelengths, and most samplers only consider the spacing of individual samples, those samplers weren't actually doing a good job of distributing all the wavelengths evenly. Golden ratio sampling, on the other hand, does this effortlessly by its nature, and the resulting reduction of color noise is huge. |
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| color | ||
| halton | ||
| math3d | ||
| oct32norm | ||
| sobol | ||
| spectral_upsampling | ||
| trifloat | ||