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Description

DeCross is a spatio-temporal cross color (rainbow) reduction filter.

DeCross must be used right after the source filter, before any field matching or deinterlacing.

The luma is returned unchanged.

This is a port of the DeCross Avisynth plugin, which is in turn based on the AviUtl plugin CrossColor.

Usage

decross.DeCross(clip clip, [int thresholdy=30, int noise=60, int margin=1, bint debug=False])
Parameters:
clip
A clip to process. It must have constant format and dimensions and it must be YUV420P8 or YUV422P8.
thresholdy

Edge detection threshold. Must be between 0 and 255.

Smaller values will detect and filter more edges.

Default: 30.

noise

Luma difference threshold. Must be between 0 and 255.

Smaller values will filter more conservatively.

Default: 60.

margin

Expands the edge mask to the left and right by margin pixels. Must be between 0 and 4.

Default: 1.

debug

Instead of filtering the rainbows, show the areas that would be filtered.

Default: False.

Compilation

mkdir build && cd build
meson ../
ninja

License

GNU GPL v2, like the Avisynth plugin.

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Spatio-temporal derainbow filter

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