When you miss the obvious, bumping into it makes you hyper and lose heart at the same time. I've found a better way to deal with Lab split Dark/Light halos Unsharp Mask and I'm ready to show it to you!
Posts From Category: Decomposing Sharpening
Lab colorspace is picky and doesn't allow many useful Blending Modes: a different routine (compared to the RGB one) is needed in order to split Dark and Light Halos in the Unsharp Mask Photoshop filter.
How to replicate Unsharp Mask with Smart Filters, allowing the separate control of Dark and Light halos? Read along one viable workaround.
Easy, intuitive solutions may not survive accurate tests, proving to be… simply wrong. That's true in coding, Photoshop and life in general!
First part of a series about the Photoshop sharpening algorithm and ways to decompose it in order to create new detail enhancing tools.