Microtek 4700 User Guide

Threshold tool

For Line Art images, the only AIC tool available is the Threshold tool.

Threshold is the dividing line between black and white; the range is 0 to 

255, and the default is 128. Thus, gray levels below the Threshold are 

converted to black, while gray levels equal to or above the Threshold are 

converted to white, resulting in a high-contrast, black-and-white 

representation of the image.

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