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http://dx.doi.org/10.3745/KIPSTB.2007.14-B.5.337

Digital Watermarking for Multi-Level Data Hiding to Color Images  

Seo, Jung-Hee (동명대학교 컴퓨터공학과)
Park, Hung-Bog (부경대학교 전자컴퓨터정보통신공학부)
Publication Information
The KIPS Transactions:PartB / v.14B, no.5, 2007 , pp. 337-342 More about this Journal
Abstract
Multi-level has advantage to express image in all levels with different images. This paper proposes digital watermarking built-in technique to transform color image to YCbCr color space to guarantee robustness and imperceptibility of the watermark in the various expression of color images, and to hide multi-level data which shows spread spectrum from low resolution to whole resolution for the Y-signal of multi-level. In color signal, Y-signal and low resolution built-in watermark has risk to be visible, but it can guarantee the robustness of watermark in various colors and transformed images. As a result of the experiment, wavelet compression image with built-in watermark showed robustness and imperceptibility of watermark.
Keywords
Digital Watermarking; Multi-Level Data Hiding; Wavelet Compression;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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