Section 02
Sampling
Noise is a budget, not a bug. 5 entries, each starting from something you could put on a table.
Sampling — every entry
- 06The square root problemError falls with the square root of samples. What that means for a deadline.
- 07FireflyOne absurdly bright sample in a dark region, and the clamp that hides it.
- 08StratificationSpreading samples evenly instead of randomly, and the noise pattern it produces.
- 09DenoisingTrading noise for detail, and how to tell which detail went.
- 10Adaptive samplingSpending the budget where the variance is.
The other sections