1. Definition
A half-jittering sampler takes two parameters \(N\) and \(M\). Given a rectangle to be sampled, it subdivides this rectangle into \(N \times M\) subrectangles of equal size. The sampler then returns a random point close to the center of each subrectangle, to make sure samples cannot be too close to each other.
![half jittered](half-jittered.png)
2. Comparison
n = 1 |
n = 2 |
n = 3 |
n = 4 |