EE381K Multidimensional DSP - Color Halftoning

Announcements

• TBA

Lecture

• Slides on Color Halftoning available in PowerPoint format.

Supplemental Information

• Slides on Color Halftoning from Spring 2003 available in PowerPoint and PDF formats.
  • Streaming video of presentation, part 1 of 2, available for high-speed and low-speed connections
  • Streaming video of presentation, part 2 of 2, available for high-speed and low-speed connections
  Also, a version of the slides that prints better on a black-and-white printer is available in PowerPoint format.
• Pointillism: Pointillism, according to the Merriam-Webster dictionary, is "the theory or practice in art of applying small strokes or dots of color to a surface so that from a distance they blend together."
  • Founder of pointillism is Georges-Pierre Seurat (1859-1891).
  • The Channel at Gravelines, Evening by Georges-Pierre Seurat (1890)
• Applet: Mark Schulze, "Image Halftoning Applet", which implements halftoning methods reported in Robert Ulichney's 1987 book entitled Digital Halftoning.
• Halftoning for image compression
• Data Conversion: Brian L. Evans, "Data Conversion" and "Noise-shaped Feedback Coding" handout
• Error Diffusion Survey: Brian L. Evans, "Variations on Error Diffusion: Retrospectives and Future Trends". Last updated January 24, 2003.
• Toolbox: Vishal Monga, Niranjan Damera-Venkata, Hamood Rehman, and Brian L. Evans, "Halftoning Toolbox for Matlab". Version 1.2 released on July 25, 2005.
• Binary Document Compression: Dave Tompkins, "Bi-Level Image Compression," in PowerPoint and PDF formats, posted with written permission of the author. The talk discusses Group 3, Group 4, JBIG, and JBIG2 binary document compression standards.

Last updated 03/22/08. Send comments to bevans@ece.utexas.edu