This effect was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
Contains 12 examples of image exposure & color adjustment processes. Examine each by setting the "Example" slider from 1 - 12, then look in the editor to see how each is implemented. This will give you the basics of Filter Forge programming so that you can experiment with creating your own filters. I hope this helps to get you jump started. Enjoy ...
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