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Video filter Median (5x5)

This is a version of the Median filter that takes a 5×5 matrix instead of a 3×3 one. The strong smoothing is especially efficient on analog video (e.g. captured from VHS) with chroma noise, rainbow effects (e.g. white credits on black background at the end of a movie) etc.(nbsp)(ndash) Median 5×5 applied only on chroma greatly reduces these artifacts.

Example - analog video with strong chroma noise:


Convolution filters applied on chroma clean it up:


using/video_filter_median_5x5.txt · Last modified: 2012/11/11 08:51 (external edit)