3 ms·
Box filtering should be pretty cheap; it is separable, and can be implemented with a moving average. Overall just a handful of operations per pixel.
by eutectic 4y ago
Box filtering should be pretty cheap; it is separable, and can be implemented with a moving average. Overall just a handful of operations per pixel.
- magicalhippo 4y agoGaussian blur can be pretty cheap too using an IIR approximation[1]. It's separable also either way. [1]: https://www.intel.com/content/dam/develop/external/us/en/documents/gaussian-filter-181134.pdf https://www.intel.com/content/dam/develop/external/us/en/doc...