JPH11500892A - ビデオ及び/又はオーディオ信号のマーキング - Google Patents
ビデオ及び/又はオーディオ信号のマーキングInfo
- Publication number
- JPH11500892A JPH11500892A JP9521880A JP52188097A JPH11500892A JP H11500892 A JPH11500892 A JP H11500892A JP 9521880 A JP9521880 A JP 9521880A JP 52188097 A JP52188097 A JP 52188097A JP H11500892 A JPH11500892 A JP H11500892A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- component
- value
- video
- zero
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2201/00—General purpose image data processing
- G06T2201/005—Image watermarking
- G06T2201/0064—Image watermarking for copy protection or copy management, e.g. CGMS, copy only once, one-time copy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/00572—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium
- G11B20/00586—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium
- G11B20/00601—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which change the format of the recording medium said format change concerning the physical format of the recording medium wherein properties of tracks are altered, e.g., by changing the wobble pattern or the track pitch, or by adding interruptions or eccentricity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/913—Television signal processing therefor for scrambling ; for copy protection
- H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
- H04N2005/91321—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy protection control signal, e.g. a record inhibit signal
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.予め決定した標準規格に応じた少なくとも2つの信号成分を有するビデオ信 号及びオーディオ信号の双方又はいずれか一方にマーキングを行なうに当たり、 信号を前記標準規格に応じて再生する際には組合わさっては生じ得ない値を 前記信号成分に割当てる割当て工程を行なうことを特徴とするマーキング方法。 2.請求の範囲1に記載のマーキング方法において、前記信号成分のうち第1の 信号成分がどんな値をとっても差し支えないようにする値を前記信号成分のうち 第2の信号成分がとっている信号部分において第1の信号成分を変更する処置を 前記割当て工程が有していることを特徴とするマーキング方法。 3.第1及び第2の信号成分がビデオ信号の色度成分及び輝度成分をそれぞれ構 成している請求の範囲2に記載のマーキング方法において、輝度成分の値がほぼ 零である信号部分に零でない予め決定した色度成分の値を割当てることを特徴と するマーキング方法。 4.予め決定した符号化標準規格に応じた少なくとも2つの信号成分を有する、 マーキングされたビデオ信号を検出する検出方法において、 それぞれの信号成分の値が組合わさって前記符号化標準規格による信号中に 生じうるものであるかどうかを決定する工程と、この決定工程に応答してマーク 出力信号を発生させる工程とを有していることを特徴とする検出方法。 5.請求の範囲4に記載の検出方法において、前記信号成分のうち第1の信号成 分がどんな値をとっても差し支えないようにする値を前記信号成分のうちの1つ がとっているかどうかを決定する処置を前記決定工程が有していることを特徴と する検出方法。 6.信号成分がビデオ信号の色度成分及び輝度成分をそれぞれ構成している請求 の範囲5に記載の検出方法において、輝度成分の値がほぼ零である信号部分が、 零でない色度成分の値と関連しているかどうかを決定する処置を行なうことを特 徴とする検出方法。 7.予め決定した標準規格に応じた少なくとも2つの信号成分を有するビデオ信 号及びオーディオ信号の双方又はいずれか一方にマーキングを行なうマーキン グ装置において、 前記標準規格に応じて信号を発生させる際には組合わさっては生じ得ない値 を前記信号成分に割当てる手段が設けられていることを特徴とするマーキング装 置。 8.請求の範囲7に記載のマーキング装置において、前記信号成分に、ある値を 割当てる前記手段は、前記信号成分のうち第1の信号成分がどんな値をとっても 差し支えないようにする値を前記信号成分のうち第2の信号成分がとっている信 号部分において第1の信号成分を変更する手段を具えていることを特徴とするマ ーキング装置。 9.第1及び第2の信号成分がビデオ信号の色度成分及び輝度成分をそれぞれ構 成している請求の範囲8に記載のマーキング装置において、輝度成分の値がほぼ 零である信号部分に零でない予め決定した色度成分の値を割当てる手段が設けら れていることを特徴とするマーキング装置。 10.予め決定した符号化標準規格に応じた少なくとも2つの信号成分を有する、 マーキングされたビデオ信号を検出する検出装置において、 それぞれの信号成分の値が組合わさって前記符号化標準規格による信号中に 生じうるものであるかどうかを決定する手段と、この決定手段に応答してマーク 出力信号を発生させる手段とを有していることを特徴とする検出装置。 11.請求の範囲10に記載の検出装置において、前記信号成分のうち第1の信号 成分がどんな値をとっても差し支えないようにする値を前記信号成分のうちの1 つがとっているかどうかを決定する処置を前記決定手段が行なうようになってい ることを特徴とする検出装置。 12.信号成分がビデオ信号の色度成分及び輝度成分をそれぞれ構成している請求 の範囲11に記載の検出装置において、輝度成分の値がほぼ零である信号部分が 、零でない色度成分の値と関連しているかどうかを決定する手段が設けられてい ることを特徴とする検出装置。 13.ビデオ又はオーディオ信号であって、この信号には当該信号に分類を割当て るようにマーキングが行なわれ、この信号は予め決定した標準規格に応じた少な くとも2つの信号成分を有している当該ビデオ又はオーディオ信号において、 ビデオ又はオーディオ信号を前記標準規格に応じたエンコーダを用いて符号 化する際に、組合わさっては生じ得ない前記信号成分にある値が割当てられてい ることを特徴とするビデオ又はオーディオ信号。 14.請求の範囲13に記載のビデオ又はオーディオ信号において、前記信号成分 のうち第1の信号成分がどんな値をとっても差し支えないようにする値を前記信 号成分のうち第2の信号成分がとっている信号部分において第1の信号成分が変 更されていることを特徴とするビデオ又はオーディオ信号。 15.第1及び第2の信号成分がビデオ信号の色度成分及び輝度成分をそれぞれ構 成している請求の範囲14に記載の信号において、輝度成分の値がほぼ零である 信号部分に、零でない予め決定した色度成分の値が割当てられていることを特徴 とする信号。 16.請求の範囲13〜15のいずれか一項に記載の信号が記録されている記録媒 体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP95203432 | 1995-12-11 | ||
NL95203432.0 | 1995-12-11 | ||
PCT/IB1996/001306 WO1997022206A1 (en) | 1995-12-11 | 1996-11-27 | Marking a video and/or audio signal |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH11500892A true JPH11500892A (ja) | 1999-01-19 |
Family
ID=8220927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9521880A Ceased JPH11500892A (ja) | 1995-12-11 | 1996-11-27 | ビデオ及び/又はオーディオ信号のマーキング |
Country Status (7)
Country | Link |
---|---|
US (1) | US5940134A (ja) |
EP (1) | EP0808541B1 (ja) |
JP (1) | JPH11500892A (ja) |
KR (1) | KR100462915B1 (ja) |
CN (1) | CN1123221C (ja) |
DE (1) | DE69609163T2 (ja) |
WO (1) | WO1997022206A1 (ja) |
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1996
- 1996-11-27 CN CN96191886A patent/CN1123221C/zh not_active Expired - Fee Related
- 1996-11-27 DE DE69609163T patent/DE69609163T2/de not_active Expired - Fee Related
- 1996-11-27 WO PCT/IB1996/001306 patent/WO1997022206A1/en active IP Right Grant
- 1996-11-27 KR KR1019970705519A patent/KR100462915B1/ko not_active IP Right Cessation
- 1996-11-27 EP EP96937472A patent/EP0808541B1/en not_active Expired - Lifetime
- 1996-11-27 JP JP9521880A patent/JPH11500892A/ja not_active Ceased
- 1996-12-09 US US08/762,624 patent/US5940134A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR19980702124A (ko) | 1998-07-15 |
EP0808541B1 (en) | 2000-07-05 |
WO1997022206A1 (en) | 1997-06-19 |
DE69609163T2 (de) | 2001-03-08 |
CN1123221C (zh) | 2003-10-01 |
US5940134A (en) | 1999-08-17 |
KR100462915B1 (ko) | 2005-08-05 |
EP0808541A1 (en) | 1997-11-26 |
DE69609163D1 (de) | 2000-08-10 |
CN1173957A (zh) | 1998-02-18 |
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