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bobzhangyc

The noise is so similar to the digital cameras under dark scene.

wmarango

I'm curious how commercial rendering engines get around cases like this. Even with the strategies discussed in the past few lectures, the images produced still have significantly more noise than photorealistic renders one might find online.

tianez

How can we tell if we are purturbing in a way that doesn't introduce bad "preferences"?

kkzhang

How do we know that we've found a "good path"? How do we assess the goodness of the nearby paths?

viceversa

Could the noise be viewed as an undersample here?

dl123

Does that implies that the good paths are all nearby? What's the intuition behind it?

Concurrensee

Is there any fast approach to find a good path?

large_monkey

What kind of optimizations are used by the current state of the art solutions in getting around this? Do they use some sort of notion to quantify how good a path is?

David

Is there a definition we can use to algorithmically define a good path?

ant123

What defines a "good path." Also, is there a less computationally expensive way to find the first "good path?"