Variations%20on%20Error%20Diffusion:%20Retrospectives%20and%20Future%20Trends

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Variations on Error Diffusion Retrospectives
and Future Trends
Dr. Niranjan Damera-Venkata
Prof. Brian L. Evans andMr. Vishal Monga

• Hewlett-Packard Laboratories1501 Page Mill
  RoadPalo Alto, CA 94304
• damera_at_exch.hpl.hp.com

Embedded Signal Processing LaboratoryThe
University of Texas at AustinAustin, TX
78712-1084 USA bevans,vishal_at_ece.utexas.edu
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Enhancements
Original
Floyd-Steinberg
Edge enhanced
Unsharpened
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Enhancements
Block error diffusion
Green-noise
DBF quantizer
Tone dependent
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Original
Separable Floyd-Steinberg
Minimum Brightness Variation Criterion
Vector error diffusion