3. Advanced Image Adjustments
Selective Adjustments
While some images benefit from global enhancements, for example, those applied to the entire image, other photos require more localized adjustments. FS4 offers a number of options for applying selective changes, including masks, layers, curves, and levels. Masks and layers provide a broader and more intuitive level of control than curves and levels, and they can be used with almost all of FS4’s filters, including exposure, white balance, hue/saturation, and black and white, to name just a few. Curves and levels, to put it simply, isolate adjustments by the image’s highlights, shadows, and colors and will be covered later in this chapter, but they can also be used in conjunction with layer masks ...
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