This article is going to describe how using Auto Tone, Contrast, and Color to correct and/or improve an image. These options are within the Image Menu in Photoshop and are one-click automatic fixes. Whilst you cannot adjust the parameters of these, it can be useful to try them. The Auto options all work by using adjustments determined by color channels.
In this tutorial Caroline Julia Moore shows how to use channels to create a mask for extracting a model and placing her on a new background. Plus, learn a cool trick from Caroline’s toolbox showing her Multiply blend mode method to quickly clean up dirty extractions!