Use Photoshop Channel selections to extract flame footage

The tutorial's drawing method is very unique, when you pull the map only need to adjust the selection of each channel, and then create different layers, fill different colors, and then change the layer of the blending mode.

Original

< small map view big picture >

Final effect

1, open the original material, into the channel panel, respectively, each of the channels to duplicate a layer.

2, hold down the CTRL key, the right mouse click Red channel Copy, load the selection.

3, back to the layers panel, new layer named "Red" in the selection fill color: r:255,g:0,b:0.

4, then the remaining two and the same as the red light, the layer "green" Fill color: r:0,g:255,b:0 layer "Blue" Add color: r:0,g:0,b:255.

5, layer "blue", blending mode to "filter Color", the effect of the following figure.

6, layer "green" blending mode to "filter Color".

7, layer "red" blending mode to "normal", and then press CTRL + E to merge the several layers.

Finally, add your favorite background, complete the final effect.

Final effect: