Lecture 12: Monte Carlo Integration (34)

How do you know the correct number of rays you should sample?


Responding to the comment above: I would guess that you’d have to balance out rendering time with the smoothness of the image that you want, and that this would vary from application to application. If you were simply testing a certain type of sampling method, less sampling rays would be appropriate. If you were, on the other hand, rendering a high-quality image, you may want to invest more time in rendering with more rays.

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