That's a great image!
I am just curious if it was just finding the right color mapping/mixing,
or you also did something like "find the edge" filter in PS,
which is essentially close to what is mathematically taking the 1st
derivative of the multi-dimensional function (or 3-D surface in
some colors), and overlaying it with the original image.
Igor
On Sun, Feb 3, 2019 at 8:29 AM Boris Liberman wrote:
It turns out that finding the desired b/w rendering can be real fun...
Have a click:
https://pentax-ways.blogspot.com/2019/02/2019-07-like-pencil-sketch.html
Thanks.
--
Boris
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