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CCS
2008
ACM
13 years 6 months ago
2008
ACM
The requirements for secure document workflows in enterprises become increasingly sophisticated, with employees performing different tasks under different roles using the same pro...
EUROGRAPHICS
2010
Eurographics
13 years 6 months ago
2010
Eurographics
This paper proposes two variants of a simple but efficient algorithm for structure-preserving halftoning. Our algorithm extends Floyd-Steinberg error diffusion; the goal of our ex...