This is one of over 4720 effects generated by Filter Forge, a Photoshop plugin that allows you to create your own filters.
To open this filter, you must have Filter Forge 2.0 or higher installed on your computer. If you don't have it installed yet, click here to download Filter Forge
this gives you a great deal of control over the tone curves of the Red, Green and Blue channels individually with the ability to modify the hue and saturation afterwards
red, green, blue, channels, tone curves