3 ms·
you can also downscale before blurring and upscale after blur. 4x without much noticeable difference in image quality. This gives a speed boost in two respects
by dharma1 13y ago
you can also downscale before blurring and upscale after blur. 4x without much noticeable difference in image quality. This gives a speed boost in two respects - less pixels and a smaller radius
- xenonite 13y agoThis is already mentioned in the article.