But the result will be just an overall blurry image. The simplest denoising solution is to blur all the nearby pixels to get an average. In ray tracing, you can either wait longer to calculate more samples, or add more computing power to resolve the image faster.Īnother thing that can help with noise in an image is called denoising. To get more samples in photography, you can open the aperture or increase the exposure time to let in more photons. In both cases, the solution is to allow for more samples. If you ray trace for only a short time, the samples are limited and the image will be noisy. In photography, when there’s not enough light, the samples are sparse and the overall image will be grainy. Ray tracing, like photography, needs a lot of light samples to get a clear image, and in both cases noise is always a challenge.
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