Energy-Efficient IDCT Design for DS-CDMA Watermarking Systems
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概要
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In this letter, a design of inverse discrete cosine transform for energy-efficient watermarking mechanism based on DS-CDMA with significant energy and area reduction is presented. Taking advantage of converged input data value set as a precomputation concept, the proposed one-dimensional IDCT is a multiplierless hardware which differs from Loeffler architecture and has benefits of low complexity and low power consumption. The experimental results show that our design can reduce 85.2% energy consumption and 58.6% area. Various spectrum and spatial attacks are also tested to corroborate the robustness.
著者
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Ruan Shanq-jang
Department Of Electronic Engineering National Taiwan University Of Science And Technology
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CHENG Fan-Chieh
Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology
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KUO Shan-Chun
Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology
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JHENG Hong-Yuan
Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology
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RUAN Shanq-Jang
Department of Electronic and Computer Engineering, National Taiwan University of Science and Technology
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