16 February 2006 Progressive halftoning by Perona-Malik error diffusion and stochastic flipping
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Proceedings Volume 6064, Image Processing: Algorithms and Systems, Neural Networks, and Machine Learning; 606403 (2006); doi: 10.1117/12.641870
Event: Electronic Imaging 2006, 2006, San Jose, California, United States
Abstract
Halftoning has been a significant topic in image processing due to many emerging applications, various diversified approaches, and challenging theoretical analysis. Inspired by the wealthy literature on halftoning, as well as the recent PDE (partial differential equations) approach in image processing, the current work proposes a novel progressive halftoning algorithm by empolying the celebrated anisotropic diffusion model of Perona and Malik (IEEE Trans. Pattern Anal. Machine Intell., 12:629-639, 1990), and a properly designed stochastic strategy for binary flipping. The halftone outputs from the proposed model are typical samples of some random fields, which share many virtues of existent deterministic halftone algorithms, as well as show many interesting features like the blue noise behavior. The new model is independent of traditional windows, tiles, or paths, and allows direct parallel implementation.
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Jianhong Shen, "Progressive halftoning by Perona-Malik error diffusion and stochastic flipping", Proc. SPIE 6064, Image Processing: Algorithms and Systems, Neural Networks, and Machine Learning, 606403 (16 February 2006); doi: 10.1117/12.641870; https://doi.org/10.1117/12.641870
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KEYWORDS
Diffusion

Halftones

Stochastic processes

Phase modulation

Image processing

Binary data

Image enhancement

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