JP4774820B2 - 電子透かし埋め込み方法 - Google Patents
電子透かし埋め込み方法 Download PDFInfo
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- JP4774820B2 JP4774820B2 JP2005170295A JP2005170295A JP4774820B2 JP 4774820 B2 JP4774820 B2 JP 4774820B2 JP 2005170295 A JP2005170295 A JP 2005170295A JP 2005170295 A JP2005170295 A JP 2005170295A JP 4774820 B2 JP4774820 B2 JP 4774820B2
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- 238000000034 method Methods 0.000 title claims abstract description 79
- 238000012545 processing Methods 0.000 claims abstract description 85
- 238000005070 sampling Methods 0.000 claims abstract description 65
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- 230000008569 process Effects 0.000 abstract description 43
- 238000010586 diagram Methods 0.000 description 10
- 238000004458 analytical method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000004904 shortening Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0021—Image watermarking
- G06T1/0085—Time domain based watermarking, e.g. watermarks spread over several images
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/835—Generation of protective data, e.g. certificates
- H04N21/8358—Generation of protective data, e.g. certificates involving watermark
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/018—Audio watermarking, i.e. embedding inaudible data in the audio signal
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Databases & Information Systems (AREA)
- Television Systems (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Editing Of Facsimile Originals (AREA)
Description
Claims (8)
- ディジタルビデオデータと複数の音声の種類を含むディジタルオーディオデータを有するディジタルコンテンツに対する電子透かし埋め込み方法であって、
ディジタルビデオデータと前記ディジタルビデオデータに時間的に関連するディジタルオーディオデータをメモリに格納するステップと、
前記ディジタルオーディオデータが電子透かし処理対象となる種類のディジタルオーディオデータ部分を含むか否かをプロセッサが判別するステップと、
前記ディジタルオーディオデータが電子透かし処理対象となる種類のディジタルオーディオデータ部分を含む場合には、前記電子透かし処理対象となる種類のディジタルオーディオデータ部分に時間的に関連するディジタルビデオデータ部分に対し電子透かしを埋め込むステップを有することを特徴とする電子透かし埋め込み方法。 - 請求項1記載の電子透かし埋め込み方法であって、
前記判別するステップでは、前記ディジタルオーディオデータの所定範囲に分割し、前記所定範囲内のサンプリング時のロング・ウィンドウの出現割合によって前記電子透かし処理対象となる種類のディジタルオーディオデータ部分を含むか否かを判別することを特徴とする電子透かし埋め込み方法。 - 請求項2記載の電子透かし埋め込み方法であって、
前記判別するステップでは、各々の範囲のサンプリング時のロング・ウィンドウの出現割合が所定値よりも高い場合に前記範囲のディジタルオーディオデータを前記電子透かし処理対象となる種類のディジタルオーディオデータ部分であるとして判別することを特徴とする電子透かし埋め込み方法。 - 請求項1記載の電子透かし埋め込み方法であって、
前記判別するステップでは、前記ディジタルオーディオデータが音楽である場合に、前記電子透かし処理対象となる種類のディジタルオーディオデータ部分として判別することを特徴とする電子透かし埋め込み方法。 - 請求項1記載の電子透かし埋め込み方法であって、
電子透かし処理対象となる種類が音楽であるか、または人声であるかのいずれかを設定するステップをさらに有することを特徴とする電子透かし埋め込み方法。 - ビデオデータと前記ビデオデータに同期して再生されるオーディオデータを含むディジタル映像コンテンツに対し電子透かしを埋め込む電子透かし埋め込み方法において、
前記オーディオデータを部分ごとに音声の種類を判別するステップと、
前記オーディオデータの音声の種類が電子透かし処理対象の音声の種類と一致した場合に前記オーディオデータに同期するビデオデータ部分に対して電子透かしを埋め込むステップを有することを特徴とする電子透かし埋め込み方法。 - 請求項6記載の電子透かし埋め込み方法において、
前記電子透かし処理対象の音声の種類は音楽であることを特徴とする電子透かし埋め込み方法。 - 請求項7記載の電子透かし埋め込み方法において、
前記音声の種類の判別は、前記オーディオデータの一部分におけるサンプリング時のロング・ウィンドウとショート・ウィンドウの出現割合の情報によることを特徴とする電子透かし埋め込み方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005170295A JP4774820B2 (ja) | 2004-06-16 | 2005-06-10 | 電子透かし埋め込み方法 |
US11/152,066 US20060012831A1 (en) | 2004-06-16 | 2005-06-15 | Electronic watermarking method and storage medium for storing electronic watermarking program |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004178377 | 2004-06-16 | ||
JP2004178377 | 2004-06-16 | ||
JP2005170295A JP4774820B2 (ja) | 2004-06-16 | 2005-06-10 | 電子透かし埋め込み方法 |
Publications (2)
Publication Number | Publication Date |
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JP2006033811A JP2006033811A (ja) | 2006-02-02 |
JP4774820B2 true JP4774820B2 (ja) | 2011-09-14 |
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Application Number | Title | Priority Date | Filing Date |
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JP2005170295A Active JP4774820B2 (ja) | 2004-06-16 | 2005-06-10 | 電子透かし埋め込み方法 |
Country Status (2)
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US (1) | US20060012831A1 (ja) |
JP (1) | JP4774820B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100963005B1 (ko) * | 2008-07-09 | 2010-06-10 | 한국전자통신연구원 | 자유시점 av 서비스에 따른 파일 생성 방법 |
US9305559B2 (en) | 2012-10-15 | 2016-04-05 | Digimarc Corporation | Audio watermark encoding with reversing polarity and pairwise embedding |
US9401153B2 (en) | 2012-10-15 | 2016-07-26 | Digimarc Corporation | Multi-mode audio recognition and auxiliary data encoding and decoding |
US20180097572A1 (en) * | 2016-10-04 | 2018-04-05 | Hitachi, Ltd. | Wireless sensor network localization |
KR101973766B1 (ko) * | 2017-12-12 | 2019-05-07 | 주식회사 이니셜티 | 모바일을 위한 효율적 워터마킹 방법 및 장치 |
US11562761B2 (en) * | 2020-07-31 | 2023-01-24 | Zoom Video Communications, Inc. | Methods and apparatus for enhancing musical sound during a networked conference |
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US5701389A (en) * | 1995-01-31 | 1997-12-23 | Lucent Technologies, Inc. | Window switching based on interblock and intrablock frequency band energy |
US7562392B1 (en) * | 1999-05-19 | 2009-07-14 | Digimarc Corporation | Methods of interacting with audio and ambient music |
US6912315B1 (en) * | 1998-05-28 | 2005-06-28 | Verance Corporation | Pre-processed information embedding system |
US7644282B2 (en) * | 1998-05-28 | 2010-01-05 | Verance Corporation | Pre-processed information embedding system |
US6330673B1 (en) * | 1998-10-14 | 2001-12-11 | Liquid Audio, Inc. | Determination of a best offset to detect an embedded pattern |
JP3768705B2 (ja) * | 1998-11-27 | 2006-04-19 | キヤノン株式会社 | 電子透かし埋め込み装置、出力制御装置及びコンピュータ読み取り可能な記憶媒体 |
US7447907B2 (en) * | 2000-04-04 | 2008-11-04 | Ecd Systems, Inc. | Method and system for data delivery and reproduction |
JP3809323B2 (ja) * | 2000-07-06 | 2006-08-16 | 株式会社日立製作所 | 電子透かし情報の埋め込み方法、および、電子透かし情報の埋め込み可能性分析方法 |
US6674876B1 (en) * | 2000-09-14 | 2004-01-06 | Digimarc Corporation | Watermarking in the time-frequency domain |
JP4214347B2 (ja) * | 2000-10-04 | 2009-01-28 | ソニー株式会社 | データ出力方法および装置並びにデータ再生方法および装置 |
JP2002171492A (ja) * | 2000-11-30 | 2002-06-14 | Nec Corp | キーワード検出装置およびキーワード検出装置を用いた懸賞方法 |
US7376242B2 (en) * | 2001-03-22 | 2008-05-20 | Digimarc Corporation | Quantization-based data embedding in mapped data |
KR100935961B1 (ko) * | 2001-11-14 | 2010-01-08 | 파나소닉 주식회사 | 부호화 장치 및 복호화 장치 |
JP2004080094A (ja) * | 2002-08-09 | 2004-03-11 | Canon Inc | 情報処理装置及び情報処理方法並びにプログラム及びコンピュータ読み取り可能な記録媒体 |
EP3522163A1 (en) * | 2003-01-02 | 2019-08-07 | Samsung Electronics Co., Ltd. | Multimedia apparatus with "slide-show" accompanied audio output |
TW594674B (en) * | 2003-03-14 | 2004-06-21 | Mediatek Inc | Encoder and a encoding method capable of detecting audio signal transient |
KR100547445B1 (ko) * | 2003-11-11 | 2006-01-31 | 주식회사 코스모탄 | 디지털 오디오신호 및 오디오/비디오신호의 변속처리방법및 이를 이용한 디지털 방송신호의 변속재생방법 |
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2005
- 2005-06-10 JP JP2005170295A patent/JP4774820B2/ja active Active
- 2005-06-15 US US11/152,066 patent/US20060012831A1/en not_active Abandoned
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US20060012831A1 (en) | 2006-01-19 |
JP2006033811A (ja) | 2006-02-02 |
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