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• W2011628131 abstract "방송용 디지털 콘텐츠의 저작권 보호를 위한 워터마킹은 실시간 처리가 가능하도록 만들어져야한다. 본 논문에서는 알테라사의 STRATIX 칩을 사용하여 HD/SD 비디오의 하드웨어 기반의 실시간 비디오 워터마킹 시스템을 제안한다. 실험 결과 원 비디오 신호와 워터마크가 삽입된 비디오 신호사이에서 주관적인 화질 비교에서 화질 차이가 거의 없었다. 삽입된 워터마크는 A/D 변환과 같은 자연적 비디오 공격의 강인성 테스트 후 검출되었다. 구현된 워터마킴 하드웨어 시스템은 실시 간으로 콘텐츠를 보호하기를 원하는 영화 제작사 그리고 방송국에서 유용하게 사용 될 수 있을 것이다. A watermarking for copyright protection of digital contents for broadcasting have to be made for a real-time system. In this paper, we propose a real-time video watermarking system which is hardware-based watermarking system of SD/HD (standard definition/high definition) video with the STRATIX FPGA device from ALTERA. There was little visual artifact due to watermarking in subjective quality evaluation between the original video and the watermarked one in our experiment. Embedded watermark was extracted after robustness testscalled natural video attacks such as A/D (analog/digital) conversion. Our implemented watermarking hardware system can be useful in movie production and broadcasting companies that requires real-time contents protection systems." @default.
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• W2011628131 date "2009-09-28" @default.
• W2011628131 modified "2023-10-18" @default.
• W2011628131 title "Implementation of a Real Time Watermarking Hardware System for Copyright Protection of a Contents in Digital Broadcasting" @default.
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• W2011628131 doi "https://doi.org/10.5392/jkca.2009.9.9.051" @default.
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