They are not meant to be a self-generating magic LUT generator, because it really only looks at the grey scale, and if there are any non-linearities in the lighting, all bets are off. The basic problem with these charts, as pointed out in Gray's exploration, is that the concept of GIGO (Garbage In / Garbage Out) still very much applies. With Marc, though, I'm still doubtful about its overall usefulness, other than as a "click" to generate an error value in a following node to check the numerical accuracy of my own grey scale correction. I mean nothing changes except every pressing Match button differs the color a little bit.Īre you simply clicking on "Match" repeatedly or are you re-setting the node grade each time you attempt a new analysis? You may be trying to generate a new correction based on an offset already produced by the matching algorithm. Pavel Rybakov wrote:every time I press Match button color changing little bit in the same frame, same color chart mask position in the frame.
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