Channel that detects black moving pixels:


Layered the moving particle channel over the live feed:

It was a nice visual but I felt it could be better.
Perhaps it gave a lightness to the image, but I thought the layers were a little detached.

It finally dawned on me the day before the presentation, that I could simply invert the black-and-white alpha channel and allow the moving particles to be black like my hair instead! The answer was so obvious I was focusing so much on coding I fail to see ...
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