Use the channel to quickly pull out a relatively single wedding slice

There are a lot of transparent wedding slice-drawing methods. This tutorial uses the channel selection method. General process: First choose a better quality of the channel to duplicate a layer, with the color palette to increase the contrast, and then with the brush to paint off the clutter of the background, you can get preliminary results. Later in the selection copy, and then adjust the details.
Original

< small map view big picture >
Final effect

1, open the original material, press CTRL + J to copy the background layer two layers, named "1", "2", the following figure.

2, close the layer "2", select Layer 1, press CTRL + Shift + U to color.

3, open the channel panel, select any 1 channels to copy, here is to copy the blue channel, and then to the blue copy Channel press CTRL + L adjust the levels, the parameters are set as shown below.