Posterise-Operator  Example 

This operator reduces the number of bits per byte for every pixel
of the image.

Parameters

Name        Possible Values/Unit            Description

Input       STREAM, TEMP1, ..., TEMP8       input buffer
Ouput       STREAM, TEMP1, ..., TEMP8       output buffer
Bits        1...7                           number of bits per byte, a value of 8
                                            would cause no change