Make a quick, accurate selection of an irregularly shaped object without having to manually trace the object’s edges. You just paint the selection using a brush tool and apply the Photoshop automatic edge enhancement for greater selection accuracy. See Select with the Quick Selection tool.
Modify the edge of a selection by expanding or contracting, feathering, or smoothing it using slider controls. Refine Edge is a simple, flexible way to modify the edge of a selection. See Refine selection edges.
Create advanced composite images with Photoshop. Place images with overlapping content on separate layers and let Photoshop analyze the contents and blend the images seamlessly into a continuous image. See Create panoramic images.