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Benchmarks for digital watermarking 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • H04L-009/32
출원번호 US-0582398 (2009-10-20)
등록번호 US8051295 (2011-10-17)
발명자 / 주소
  • Brunk, Hugh L.
  • Bradley, Brett Alan
  • Hannigan, Brett T.
출원인 / 주소
  • Digimarc Corporation
인용정보 피인용 횟수 : 17  인용 특허 : 186

초록 ▼

The presently claimed invention relates generally to digital watermarking of data, e.g., representing video or audio. One claim recites a method including: obtaining data representing video or audio; using a multi-purpose electronic processor programmed for: transforming the data into a transform do

대표청구항 ▼

What is claimed is: 1. A method comprising:obtaining data representing video or audio at a watermark encoder;transforming the data into a transform domain;analyzing the transform domain to identify a plurality of transform coefficients according to a predetermined criteria;altering the plurality of

이 특허에 인용된 특허 (186)

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  183. Rhoads, Geoffrey B., Watermarking to convey auxiliary information, and media embodying same.
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  184. Ahmed, Farid, Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration.
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  185. Ahmed, Farid, Watermarks carrying content dependent signal metrics for detecting and characterizing signal alteration.
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  186. Tian, Jun; Decker, Stephen K., Wavelet based feature modulation watermarks and related applications.
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  7. Splaine, Steven J.; Ramaswamy, Arun; Gaynor, Kevin K.; Nicotra, Chris G.; Bosworth, Alan N., Methods and apparatus to monitor media.
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  9. Reed, Alastair M.; Sharma, Ravi K.; Rodriguez, Tony F., Steganographic encoding and decoding.
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  10. Reed, Alastair M.; Sharma, Ravi K.; Rodriguez, Tony F., Steganographic encoding and decoding.
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  11. Reed, Alastair M.; Sharma, Ravi K.; Rodriguez, Tony F., Steganographic encoding and decoding.
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  15. Reed, Alastair M.; Sharma, Ravi K.; Rodriguez, Tony F., Steganographic encoding and decoding.
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  16. Reed, Alastair M.; Sharma, Ravi K.; Rodriguez, Tony F., Steganographic encoding and decoding.
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