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Foveated Rendering: Difference between revisions
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(Created page with "Foveated rendering is a method to render fewer pixels than are shown to the user.<br> The underlying idea is that the human retina is very high-resolution only around the gaze...") |
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** Render a subset of pixels to be shown. The sampling is denser near the foveal region and sparser in the periphery. | ** Render a subset of pixels to be shown. The sampling is denser near the foveal region and sparser in the periphery. | ||
** Typically uses a log-polar transformation where y-axis is polar (0 to <math>2\pi</math>) and the x-axis is log distance from the focus center. | ** Typically uses a log-polar transformation where y-axis is polar (0 to <math>2\pi</math>) and the x-axis is log distance from the focus center. | ||
** Requires some form of interpolation to reconstruct the missing pixels (e.g. bilinear or using a GAN) | |||
==Resources== | ==Resources== | ||
* [https://research.fb.com/publications/deepfovea-neural-reconstruction-for-foveated-rendering-and-video-compression-using-learned-statistics-of-natural-videos/ Deepfovea (Kaplanyan et al, Siggraph Asia 2019)] | * [https://research.fb.com/publications/deepfovea-neural-reconstruction-for-foveated-rendering-and-video-compression-using-learned-statistics-of-natural-videos/ Deepfovea (Kaplanyan et al, Siggraph Asia 2019)] | ||
** Uses a gan to do reconstruction. | ** Uses a gan to do reconstruction. | ||