Effects > Two Colors > Error Diffusion
Error Diffusion
The Error Diffusion filter allows you to decrease the image's color depth to 2 colors using the Error Diffusion reduction method.
1. Choose Effects > Two Colors > Error Diffusion
2. Use the following options:
 Foreground Color
Use this option to change the foreground color.
 Background Color
Use this option to change the background color.
 Type
Select the Floyd-Steinberg, Burkes, or Stucki option, which are algorithms for the dithering pattern. Try them out to see what result you like best.
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