This week, Deke takes a Photoshop journey in to the eye-bending world of op art, creating a Bridget Riley-inspired twist and bulge of checkerboard contortion.
Create text, in Photoshop, that provides absolute and unambiguous contrast with everything in the composite image behind it. Automatically.
The Levels command, and its cohort the histogram, let you adjust luminance levels on a channel-by-channel basis. The upshot is that you can increase contrast, correct for color cast, and make a bad image good.
In the digital age, we shoot linear images that are converted to full-color photographs. Which is a good thing, because it means we can distill the perfect black-and-white shot in Photoshop, one range of colors at a time.
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