Adobe Photoshop CC for Photographers, 2014 Release, 2nd Edition

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Chapter 2: Camera Raw image processing

best results since letting Upright work with a geometrically- corrected image can make the line detection work better.

The Auto setting applies a balanced correction to the image, which rather than auto-selecting an Upright setting, uses a balanced combination of the options listed below. Essentially, it aims to level the image and, at the same time, fixes converging vertical and horizontal lines in an image. The ultimate goal here is to apply a suitable transform adjustment that avoids applying too ...