Blind, Braille and Embossing Technologies

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Color Reduction with dithering

Color Reduction with the dithering Filter analyzes colors and approximates them using black and white dot distribution. The image thus undergoes a dithering of dots, more or less thick, depending on the light and dark colors.

This filter has no parameters. The brightness parameter, which darkens or brightens the image, can be used to adjust the dithering of the dots. Light colors will produce a wider screening, darker colors will produce a thicker screening. Removing the insulated dots may damage the screening of the image. With images that are too detailed, this filter is not suitable, because it produces too fragmented a touch image.