Extract Detail decomposes the image into color and detail layers.The color and detail can later be composited together using the Grain Composite node.

Filter.

To select a preset, choose one from the Presets tab.

Extracts detail from the coarse layer.

Extracts detail from the medium layer.

Extracts detail from the fine layer. The fine layer typically includes details such as skin blemishes, pores, hair, and wrinkles.

Determines the detail layer to be used. 0 is coarse, .5 is medium and 1 is fine.

Outputs the color layer.

Outputs the detail layer. Use this output in conjunction with the Grain Composite node.