Digital watermarking and steganography via overlays of halftone images
- Chai Wah Wu
- Gerhard Thompson
- et al.
- 2004
- SPIE Optical Engineering + Applications 2004
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12 results for Gerhard Thompson
A Unified Framework for Digital Halftoning and Dither Mask Construction: Variations on a Theme and Implementation Issues
- Chai Wah Wu
- Gerhard Thompson
- et al.
- 2003
- NIP 2003
Multiple images viewable on twisted-nematic mode liquid-crystal displays
- Chai Wah Wu
- Gerhard Thompson
- et al.
- 2003
- IEEE SPL
Shape-Changing Spot Function for Digital Clustered-Dot Halftoning
- J.Q. Trelewicz
- Danielle Dittrich
- et al.
- 2002
- NIP 2002
Color document analysis
- Chunghui Kuo
- A. Ravishankar Rao
- et al.
- 2002
- Proceedings of SPIE - The International Society for Optical Engineering
Multilevel color halftoning
- Joan L. Mitchell
- Gehard Thompson
- et al.
- 2001
- CIC 2001
Supercell dither masks with constrained blue noise interpolation
- Chai Wah Wu
- Charles P. Tresser
- et al.
- 2001
- NIP 2001
Automatic segmentation and descreening of scanned color documents
- A. Ravishankar Rao
- G. Thompson
- 2001
- Journal of Imaging Science and Technology
Wavelet based halftone segmentation and descreening filter design
- Chunghui Kuo
- A. Ravishankar Rao
- et al.
- 2001
- ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Color halftone descreening based on color sigma filters
- Chunghui Kuo
- A. Ravishankar Rao
- et al.
- 2001
- Proceedings of SPIE - The International Society for Optical Engineering