I think we can also combine the median filter with the bilinear filter, since at the edge of pixels, we do not average the pixels in the kernel, but only use the original value. This can also make the image less blurred.
I think we can also combine the median filter with the bilinear filter, since at the edge of pixels, we do not average the pixels in the kernel, but only use the original value. This can also make the image less blurred.