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System for preventing playback of unauthorized digital video recordings 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04N-007/167
출원번호 US-0481739 (2000-01-11)
우선권정보 IL-0124595 (1998-05-21)
발명자 / 주소
  • Yossef Tsuria IL
  • Yishai Sered IL
출원인 / 주소
  • NDS Limited GB
대리인 / 주소
    Ladas & Parry
인용정보 피인용 횟수 : 99  인용 특허 : 12

초록 ▼

This invention discloses an anti-piracy system including video representation signature apparatus for computing a forbidden signature of a forbidden video representation, communication apparatus for communicating the forbidden signature to a playing device, and a playing device adapted to receive an

대표청구항 ▼

1. A method for assigning a signature to a video representation, the video representation comprising a plurality of frames, the method comprising:choosing a chosen plurality of frames from among the plurality of frames comprised in the video representation; for each of the chosen plurality of frames

이 특허에 인용된 특허 (12)

  1. Sandford ; II Maxwell T. ; Handel Theodore G. ; Bradley Jonathan N., Compression embedding.
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  2. Sandford ; II Maxwell T. (160 Monte Rey S. Los Alamos NM 87544) Handel Theodore G. (316 Bryce Ave. Los Alamos NM 87544), Data embedding.
    상세보기
  3. Dillon Douglas M., Deferred billing, broadcast, electronic document distribution system and method.
    상세보기
  4. Houser Peter B. (Poway CA) Adler James M. (Ocean Beach CA), Electronic document verification system and method.
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  5. Bahns Ted L. (Colfax WI) Peacock Bruce T. (Eau Claire WI), Marking of optical disc for customized identification.
    상세보기
  6. Powell Robert D. ; Nitzberg Mark J., Method and system for digital image signatures.
    상세보기
  7. Daly Scott J. ; Matthews Kristine E. ; Ribas-Corbera Jordi, Method for adapting quantization in video coding using face detection and visual eccentricity weighting.
    상세보기
  8. Moskowitz Scott A. (Tokyo JPX) Cooperman Marc (Palo Alto CA), Steganographic method and device.
    상세보기
  9. Rhoads Geoffrey B. (West Linn OR), Steganography methods employing embedded calibration data.
    상세보기
  10. Dimitrova Nevenka ; Abdel-Mottaleb Mohamed S., Video retrieval of MPEG compressed sequences using DC and motion signatures.
    상세보기
  11. Leighton Frank Thomson (15 Charlesden Park Newtonville MA 02160), Watermarking process resilient to collusion attacks.
    상세보기
  12. Wu Min ; Liu Bede, Watermarking scheme for image authentication.
    상세보기

이 특허를 인용한 특허 (99)

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