Always glad to help. Besides, I love these demonstrations. I really do! Like A certain Team leader once mused ... "I love it when a plan comes together." Me, too! :D
Speaking of which, I looked back and noticed my procedure looked too much like voodoo without the actual, procedural splits and recombination. So here they are (where they should've been):
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In a paint program ... the two now-equally-sized images were split into their Hue-Saturation-Luminance components. ..
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.. The DVD's H-S was recombined with the 16mm's L. ..
.. After removing the mask, the resulting 16mm frame is amazing (!) considering there was no other corrective processing!
