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Coefficients for the 4-component filter seem wrong #6

@expenses

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@expenses

Hi! Thanks for providing this fantastic tool. I've been trying out the 3 and 4-component filters after getting some artifacts from the 2-component filter on bright lights (see the one in the bottom left in the image below):

20230525_14h30m55s_grim

The 3-component filter works fine, but the coefficients for the 4-component filter seems to be incorrect. Here's what the default settings for all 5 kernels look like when I turned the visualisation on:

shouldVisualize = False # Set to True to visuzlize

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I got this donut/bagel look while testing in my renderer as well:

20230525_18h01m04s_grim

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