Method/Step
Open the PS and put the picture in the Ready p.
Ctrl+j Add one more layer, we will be as PS when the preparation layer, easy to operate.
Then use the Magic wand, set the parameters, the desired graphics on the line to choose.
Use the background eraser to select the foreground color and the back color (where you choose the deepest color), then the appropriate adjustment tolerance, neither injury to the foreground color and can erase the scenery, and then use the Magic wand to select the area to deduct (where the background eraser is not selected), then expand and feather (casual), and then press DELETE.
Of course, you can use the Lasso function together with the bolt, to sketch the contour of this figure out.
No matter what method you use, remember to give 20-40 or so feather, so not so blunt, specific parameters, can be based on the picture of the actual color shape.