Blind, Braille and Embossing Technologies

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Color reduction to black and white

Color reduction with the Black&White filter is useful with images that have well-defined figures and well-contrasted colors. The filter is based on the brightness of colors, reducing dark colors to black and light colors to white.

To decrease or increase the tactile surfaces you can use the Brightness field. By making the image lighter, the tactile surfaces decrease; they increase by making it darker. This filter has no parameters.