Hero Wavelength Spectral Sampling

Computer Graphics · Color and Tone · 2014 · hero-wavelength-sampling.yaml

Carries several correlated wavelengths per path, one chosen and the rest derived from it, which removes most of the colour noise that sampling a single wavelength per path produces.

• supersedescorrects · extends
• classifiesspecializes · part-of
• substitutes forapproximates · alternative-to
• depends onrequires · validates

Colour is the family; a dashed line is the second member of it.

This node

• correctsfixes a defect in Spectral Renderingone wavelength per path is unusably noisy

References

• Hero Wavelength Spectral Sampling — Wilkie, Nawaz, Droske, Weidlich, Hanika — 2014 · link