Steganography in clustered-dot halftones using orientation modulation and modification of direct binary search

Yung-Yao Chen; Sheng-Yi Hong; Kai-Wen Chen

doi:10.1117/12.2079963

16 March 2015 Steganography in clustered-dot halftones using orientation modulation and modification of direct binary search

Yung-Yao Chen, Sheng-Yi Hong, Kai-Wen Chen

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Proceedings Volume 9399, Image Processing: Algorithms and Systems XIII; 939907 (2015) https://doi.org/10.1117/12.2079963
Event: SPIE/IS&T Electronic Imaging, 2015, San Francisco, California, United States

Abstract

This paper proposes a novel message-embedded halftoning scheme that is based on orientation modulation (OM) encoding. To achieve high image quality, we employ a human visual system (HVS)-based error metric between the continuous-tone image and a data-embedded halftone, and integrate a modified direct binary search (DBS) framework into the proposed message-embedded halftoning method. The modified DBS framework ensures that the resulting data-embedded halftones have optimal image quality from the viewpoint of the HVS.

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Yung-Yao Chen, Sheng-Yi Hong, and Kai-Wen Chen "Steganography in clustered-dot halftones using orientation modulation and modification of direct binary search", Proc. SPIE 9399, Image Processing: Algorithms and Systems XIII, 939907 (16 March 2015); https://doi.org/10.1117/12.2079963

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KEYWORDS

Halftones

Binary data

Printing

Image processing

Image quality

Modulation

Computer programming

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