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Digital watermarking systems and methods 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G06K-009/00
출원번호 US-0251362 (2008-10-14)
등록번호 US8000495 (2011-08-03)
발명자 / 주소
  • Levy, Kenneth L.
  • Rhoads, Geoffrey B.
출원인 / 주소
  • Digimarc Corporation
인용정보 피인용 횟수 : 7  인용 특허 : 205

초록 ▼

The present invention relates to watermarking of compressed audio or video files. One claim recites a method including: obtaining a copy of a compressed audio or video file; decompressing the compressed audio or video file to yield decompressed audio or video content; determining a first watermarkin

대표청구항 ▼

What is claimed is: 1. A method comprising:receiving a copy of a compressed audio or video file;decompressing the compressed audio or video file to yield decompressed audio or video content;analyzing the decompressed audio or video content to determine watermarking criteria or watermark embedding in

이 특허에 인용된 특허 (205)

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  173. Cox Ingemar J., Spread spectrum watermark for embedded signalling.
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  174. Rhoads, Geoffrey B., Steganographic decoding with transform to spatial domain.
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  175. Moskowitz Scott A. (Tokyo JPX) Cooperman Marc (Palo Alto CA), Steganographic method and device.
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  176. Miller, Marc D.; Levy, Kenneth L.; Rhoads, Geoffrey B., Steganographic systems and methods.
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  177. Rhoads Geoffrey B. (West Linn OR), Steganography methods employing embedded calibration data.
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  178. Honsinger, Chris W.; Kaufman, John E., Storing sharpness data using embedded carriers.
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  179. Schumann Robert W. ; Iu Siu-Leong ; Bugwadia Kobad ; Mercier Guillaume ; Ramadoss Shiva ; Bergeron Michael ; Ehrhardt Jack, System and methodology for tracing to a source of unauthorized copying of prerecorded proprietary material, such as movies.
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  180. Moses, Donald W.; Moses, Robert W., System for providing a digital watermark in an audio signal.
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  181. Chen Brian ; Wornell Gregory W., System, method, and product for information embedding using an ensemble of non-intersecting embedding generators.
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  182. Rhoads, Geoffrey B., Tile-based digital watermarking techniques.
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  183. Levy, Kenneth L., Time and object based masking for video watermarking.
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  184. Rhoads,Geoffrey B.; Davidson,Clayton L.; Rodriguez,Tony F., Transform domain watermarking of image signals.
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  185. Rhoads,Geoffrey B.; Rodriguez,Tony F.; McKinley,Tyler J.; Miller,Marc D.; Hierholzer,Kirstin, User control and activation of watermark enabled objects.
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  186. Knee, Michael James; Wells, Nicholas Dominic, Video process where part of compressed version of video signal accompanies video signal itself.
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  187. Geoffrey B. Rhoads ; Ravi K. Sharma, Watermark detection using a fourier mellin transform.
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  188. Sharma,Ravi K.; Gustafson,Ammon E., Watermark detection utilizing regions with higher probability of success.
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  189. Rhoads, Geoffrey B., Watermark embedder and reader.
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  190. Rhoads, Geoffrey B.; Gustafson, Ammon E., Watermark embedder and reader.
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  191. Levy,Kenneth L., Watermark embedding functions in rendering description files.
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  192. Geoffrey B. Rhoads, Watermark enabled video objects.
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  193. Rhoads,Geoffrey B.; Levy,Kenneth L.; McKinley,Tyler J., Watermark encoded video, and related methods.
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  194. Geoffrey B. Rhoads, Watermark encoding method exploiting biases inherent in original signal.
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  195. Rhoads, Geoffrey B., Watermark encoding using arbitrary features.
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  196. Sharma, Ravi K., Watermark orientation signals conveying payload data.
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  197. Belenko,Vyacheslav S.; Kuzmich,Vsevolod M., Watermark-based copy management system and method for digital media copy protection.
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  198. Rodriguez, Tony F.; Rhoads, Geoffrey B.; Davis, Bruce L.; Carr, J. Scott, Watermarked business cards and methods.
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  199. Girod Bernd,DEX ; Hartung Frank H. D.,DEX, Watermarking method and apparatus for compressed digital video.
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  200. Rhoads, Geoffrey B., Watermarking methods and media.
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  201. Cox Ingemar J., Watermarking of image data using MPEG/JPEG coefficients.
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  202. Wu Min ; Liu Bede, Watermarking scheme for image authentication.
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  203. Ravi K. Sharma ; Adnan M. Alattar ; Farid Ahmed ; Geoffrey B. Rhoads, Wavelet domain watermarks.
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  204. Sharma,Ravi K.; Alattar,Adnan M.; Ahmed,Farid; Rhoads,Geoffrey B., Wavelet domain watermarks.
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