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Two-Dimensional Non-isolated Pixel Modulation Code for Holographic Data Storage  

Kim, Jin-Young (숭실대학교 정보통신전자공학부 정보저장 및 통신 연구실)
Lee, Jae-Jin (숭실대학교 정보통신전자공학부 정보저장 및 통신 연구실)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.34, no.2C, 2009 , pp. 163-168 More about this Journal
Abstract
In this paper, a two-dimensional (2D) modulation code is introduced. The proposed code does not have any isolated pixel that is the most unwanted problem for holographic data storage. The proposed 2D modulation code is simpler than conventional 6/8 code and removes all the isolated 2D ISI patterns. As a result, when the grade of blur is 1.4, the proposed modulation code has better performance overall than conventional 6/8 modulation code. The proposed code has the optimal performance when 4bit quantization is applied.
Keywords
Holographic; Two-Dimensional Modulation Code; Isolated pattern; 2D ISI; blur;
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