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» Color extended visual cryptography using error diffusion
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ICASSP
2009
IEEE
13 years 11 months ago
Color extended visual cryptography using error diffusion
This paper introduces a color visual cryptography encryption method that produces meaningful color shares via visual information pixel (VIP) synchronization and error diffusion ha...
In Koo Kang, Gonzalo R. Arce, Heung-Kyu Lee
ICIP
2001
IEEE
14 years 5 months ago
Color error diffusion with generalized optimum noise shaping
Wc optimizc thc noisc shaping bchavior of color crror diffusion by designing an optirnizcd crror filtcr bascd on a proposed noisc shaping modcl for color crror diffusion and a gcn...
Niranjan Damera-Venkata, Brian L. Evans
APVIS
2009
13 years 5 months ago
Visualizing diffusion tensor imaging data with merging ellipsoids
Diffusion tensor fields reveal the underlying anatomical structures in biological tissues such as neural fibers in the brain. Most current methods for visualizing the diffusion te...
Wei Chen, Song Zhang, Stephen Correia, David F. Ta...
VISUALIZATION
2003
IEEE
13 years 9 months ago
Curvature-Based Transfer Functions for Direct Volume Rendering: Methods and Applications
Direct volume rendering of scalar fields uses a transfer function to map locally measured data properties to opacities and colors. The domain of the transfer function is typicall...
Gordon L. Kindlmann, Ross T. Whitaker, Tolga Tasdi...
CGF
1999
153views more  CGF 1999»
13 years 4 months ago
Comprehensive Halftoning of 3D Scenes
The display of images on binary output hardware requires a halftoning step. Conventional halftoning algorithms approximate image values independently from the image content and of...
Oleg Veryovka, John W. Buchanan