JPH09508512A - ビデオ処理およびビデオ信号を変換するための方法 - Google Patents
ビデオ処理およびビデオ信号を変換するための方法Info
- Publication number
- JPH09508512A JPH09508512A JP7520448A JP52044895A JPH09508512A JP H09508512 A JPH09508512 A JP H09508512A JP 7520448 A JP7520448 A JP 7520448A JP 52044895 A JP52044895 A JP 52044895A JP H09508512 A JPH09508512 A JP H09508512A
- Authority
- JP
- Japan
- Prior art keywords
- field
- phase
- fields
- hdtv
- telecine
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/547—Motion estimation performed in a transform domain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0112—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards corresponding to a cinematograph film standard
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
- H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S348/00—Television
- Y10S348/911—Line doubler adapted for reproducing program originally from film, e.g. 24 frame per second
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Systems (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. それぞれ毎秒F及びF+/−Δのフィールドレート間でビデオ信号を変換 するための方法において、フィールドを、時間間隔1/Δの第1の部分を同期モ ードで同期化し、前記時間間隔の第2の部分を補間モードで補間する方法。 2. 前記第1の部分は前記時間間隔1/Δの半分またはそれ以上を表す、請求 項1に記載の方法。 3. 同期モードのの期間は、少なくとも補間モードの方向より少なくとも10 倍より大きい、請求項1又は2に記載の方法。 4. フォーマット間のフィールドの位相差をモニターし、位相差が前もって決 められたしきい値を越えたときに、同期モードから補間モードへ切り替える、請 求項1乃至3のいずれか1に記載の方法。 5. 前記補間モードは、前記同期モードからの切り替えの後、固定の時間間隔 の間、持続される、請求項4に記載の方法。 6. 分量を前記位相差の変化の割合から取り、前記分量をしきい値と比較し、 位相差の変化の割合の前記分量がしきい値を越えたところで同期モードを使用禁 止にする、請求項4又は請求項5に記載の方法。 7. HDTVテレシネされたマスタからNTSC及びPALマスタを同時制作 するための装置であって、テレシネ操作において毎秒24フレームの映画フィル ムを1125本の走査線で毎秒60フィールド(1125/60)の高精細度テ レビジョン(HDTV)へ処理するフィールドの位相を表す3−2プルダウン位 相信号を受信する手段と;1125/60HDTV入力を受け、1125本を5 25本に走査線変換し、前記位相信号に依存して毎秒60フィールドから59, 94フィールドに変換し、落ちたフィールドの識別を含む変更した位相信号を生 成するダウン変換手段と;525/59.94入力を受け、525本から625 本に走査線変換し、前記変更した位相信号に依存して毎秒59.94フィールド から毎秒47.952フィールドにフィールド変換するクロス変換手段と;を有 する装置。 8. HDTVテレシネされたマスタからNTSC及びPALマスタを同時制作 するための装置であって、毎秒24フレームの映画フィルムから、1125本の 走査線で毎秒59.94フィールド(1125/59.94)の高精細度テレビ ジョン(HDTV)信号を生成するテレシネを含む第1の手段であって、前記第 1の手段はテレシネ走査において処理するフィールドの位相を表しかつ毎秒59 .94フィールドに合わせされた、変更した3−2プルダウン位相信号をさらに 提提供する第1の手段と;1125/59.94HDTV入力を受け、1125 本を525本に走査線変換するダウン変換手段と;525/59.94入力を受 け、525本から625本に走査線変換し、前記変更した位相信号に依存して毎 秒59.94フィールドから毎秒47.952フィールドにフィールド変換する クロス変換手段と;を有する装置。 9. 整数のフィールドによって位相信号を遅延する位相信号遅延手段を備える 、請求項7又は請求項8に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB9401897.5 | 1994-02-01 | ||
GB9401897A GB9401897D0 (en) | 1994-02-01 | 1994-02-01 | Video processing |
PCT/GB1995/000199 WO1995021505A1 (en) | 1994-02-01 | 1995-02-01 | Video processing and method for converting video signals |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH09508512A true JPH09508512A (ja) | 1997-08-26 |
JP3944238B2 JP3944238B2 (ja) | 2007-07-11 |
Family
ID=10749673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52044895A Expired - Fee Related JP3944238B2 (ja) | 1994-02-01 | 1995-02-01 | ビデオ処理およびビデオ信号を変換するための方法 |
Country Status (8)
Country | Link |
---|---|
US (2) | US5734435A (ja) |
EP (1) | EP0775421B1 (ja) |
JP (1) | JP3944238B2 (ja) |
AU (1) | AU702050B2 (ja) |
CA (1) | CA2182277A1 (ja) |
DE (1) | DE69524420T2 (ja) |
GB (1) | GB9401897D0 (ja) |
WO (1) | WO1995021505A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6618095B1 (en) | 1998-12-07 | 2003-09-09 | Matsushita Electric Industrial Co., Ltd. | Serial digital interface system transmission/reception method and device therefor |
WO2003079685A1 (fr) * | 2002-03-19 | 2003-09-25 | Matsushita Electric Industrial Co., Ltd. | Procede de conversion secondaire d'un format signal video, procede de transmission d'un signal code et appareil de transmission d'un code temporel |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9401897D0 (en) * | 1994-02-01 | 1994-03-30 | Snell & Wilcox Ltd | Video processing |
JP2906332B2 (ja) * | 1995-12-27 | 1999-06-21 | 日本テレビ放送網株式会社 | テレシネ信号変換方法、及びアップコンバータ |
US5734443A (en) * | 1995-12-28 | 1998-03-31 | Philips Electronics North America Corporation | Method and device for performing source transitions in a video system which performs entropy encoding |
KR100223205B1 (ko) * | 1996-08-05 | 1999-10-15 | 윤종용 | 디지탈 비디오 디스크의 영상신호 재생장치 및 그 제어방법 |
US5990964A (en) * | 1996-09-23 | 1999-11-23 | Sony Corp. | Method and apparatus for processing time code |
US6181382B1 (en) | 1998-04-03 | 2001-01-30 | Miranda Technologies Inc. | HDTV up converter |
EP1084577A1 (en) * | 1998-04-03 | 2001-03-21 | Miranda Technologies Inc. | Hdtv up converter |
US6304297B1 (en) * | 1998-07-21 | 2001-10-16 | Ati Technologies, Inc. | Method and apparatus for manipulating display of update rate |
JP3684107B2 (ja) * | 1999-03-02 | 2005-08-17 | 松下電器産業株式会社 | タイムコード演算装置 |
US6353459B1 (en) * | 1999-03-31 | 2002-03-05 | Teralogic, Inc. | Method and apparatus for down conversion of video data |
US6731818B1 (en) | 1999-06-30 | 2004-05-04 | Realnetworks, Inc. | System and method for generating video frames |
US6735338B1 (en) | 1999-06-30 | 2004-05-11 | Realnetworks, Inc. | System and method for generating video frames and detecting text |
US6753865B1 (en) | 1999-06-30 | 2004-06-22 | Realnetworks, Inc. | System and method for generating video frames and post filtering |
US6760378B1 (en) | 1999-06-30 | 2004-07-06 | Realnetworks, Inc. | System and method for generating video frames and correcting motion |
US6522363B1 (en) * | 1999-07-30 | 2003-02-18 | Thomson Licensing S.A. | Display frame rate adaptation |
FR2802754B1 (fr) * | 1999-12-20 | 2002-03-15 | Thomson Multimedia Sa | Procede et dispositif de conversion de frequence trame ou image exploitant un calcul dynamique des phases d'interpolation |
GB2361134A (en) * | 2000-04-07 | 2001-10-10 | Snell & Wilcox Ltd | Video standards conversion |
US6765964B1 (en) | 2000-12-06 | 2004-07-20 | Realnetworks, Inc. | System and method for intracoding video data |
US6941331B2 (en) * | 2002-05-14 | 2005-09-06 | Kwe International, Inc. | Interpolation of video and audio digital data |
JP4120265B2 (ja) * | 2002-05-23 | 2008-07-16 | ソニー株式会社 | 信号処理装置およびその方法、並びにそのプログラム |
EP1376381A1 (en) * | 2003-02-12 | 2004-01-02 | Agilent Technologies Inc | Method and system for data sampling |
JP4727221B2 (ja) * | 2004-12-21 | 2011-07-20 | ルネサスエレクトロニクス株式会社 | 映像信号処理装置及び映像信号処理方法 |
FR2901951A1 (fr) * | 2006-06-06 | 2007-12-07 | St Microelectronics Sa | Detecteur de cadence par regions |
FR2902265A1 (fr) * | 2006-06-13 | 2007-12-14 | St Microelectronics Sa | Detection de la cadence d'une sequence de trames video |
JP4517311B2 (ja) * | 2008-04-08 | 2010-08-04 | ソニー株式会社 | 情報処理装置および方法、並びにプログラム |
GB2503833B (en) * | 2008-12-09 | 2014-04-30 | Snell Ltd | Motion image rendering system |
US9654792B2 (en) | 2009-07-03 | 2017-05-16 | Intel Corporation | Methods and systems for motion vector derivation at a video decoder |
GB2476298A (en) | 2009-12-18 | 2011-06-22 | Snell Ltd | Changing the temporal sample rate of a motion image sequence |
GB2525137A (en) * | 2013-08-30 | 2015-10-21 | Amberfin Ltd | Conversion of video frame rate |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3400211A (en) * | 1963-11-18 | 1968-09-03 | Marconi Co Ltd | Television standards conversion |
NL8301937A (nl) * | 1983-06-01 | 1985-01-02 | Philips Nv | Televisieschakeling voor flikkeringsreduktie bij weergave. |
JPS6126382A (ja) * | 1984-07-17 | 1986-02-05 | Kokusai Denshin Denwa Co Ltd <Kdd> | 動き量を用いた動画像フレ−ムレ−ト変換方式 |
US4989091A (en) * | 1988-11-16 | 1991-01-29 | Scientific-Atlanta, Inc. | Scan converter for a high definition television system |
DE69028847T2 (de) * | 1989-10-20 | 1997-04-03 | Snell & Wilcox Ltd | Digitale fernsehnormumwandlung |
US5115311A (en) * | 1989-11-14 | 1992-05-19 | Shell Oil Company | High resolution translation of images |
JP2773337B2 (ja) * | 1989-12-29 | 1998-07-09 | ソニー株式会社 | 映像信号変換方法 |
US5221966A (en) * | 1990-01-17 | 1993-06-22 | Avesco Plc | Video signal production from cinefilm originated material |
GB9001079D0 (en) * | 1990-01-17 | 1990-03-14 | Avesco Plc | Standards conversion |
US5353119A (en) * | 1990-11-15 | 1994-10-04 | Sony United Kingdom Limited | Format conversion of digital video signals, integration of digital video signals into photographic film material and the like, associated signal processing, and motion compensated interpolation of images |
US5321500A (en) * | 1991-08-07 | 1994-06-14 | Sony Electronics Inc. | Non-real-time film scanning system |
WO1993015586A1 (en) * | 1992-02-03 | 1993-08-05 | Eastman Kodak Company | A partial interpolation method and apparatus for frame rate conversion |
AU1668292A (en) * | 1992-05-08 | 1993-12-13 | Tintoretto Corporation | Method of and apparatus for transfer of film to video |
US5404171A (en) * | 1992-06-19 | 1995-04-04 | Intel Corporation | Method and apparatus for synchronizing digital packets of information to an arbitrary rate |
GB2268354B (en) * | 1992-06-25 | 1995-10-25 | Sony Broadcast & Communication | Time base conversion |
GB2271239B (en) * | 1992-09-29 | 1996-06-19 | Sony Broadcast & Communication | Video to film conversion |
GB9401897D0 (en) * | 1994-02-01 | 1994-03-30 | Snell & Wilcox Ltd | Video processing |
-
1994
- 1994-02-01 GB GB9401897A patent/GB9401897D0/en active Pending
-
1995
- 1995-02-01 US US08/381,534 patent/US5734435A/en not_active Expired - Fee Related
- 1995-02-01 AU AU15418/95A patent/AU702050B2/en not_active Ceased
- 1995-02-01 EP EP95907083A patent/EP0775421B1/en not_active Expired - Lifetime
- 1995-02-01 JP JP52044895A patent/JP3944238B2/ja not_active Expired - Fee Related
- 1995-02-01 CA CA002182277A patent/CA2182277A1/en not_active Abandoned
- 1995-02-01 WO PCT/GB1995/000199 patent/WO1995021505A1/en active IP Right Grant
- 1995-02-01 DE DE69524420T patent/DE69524420T2/de not_active Expired - Lifetime
-
1997
- 1997-11-26 US US08/979,241 patent/US6480232B1/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6618095B1 (en) | 1998-12-07 | 2003-09-09 | Matsushita Electric Industrial Co., Ltd. | Serial digital interface system transmission/reception method and device therefor |
WO2003079685A1 (fr) * | 2002-03-19 | 2003-09-25 | Matsushita Electric Industrial Co., Ltd. | Procede de conversion secondaire d'un format signal video, procede de transmission d'un signal code et appareil de transmission d'un code temporel |
Also Published As
Publication number | Publication date |
---|---|
DE69524420D1 (de) | 2002-01-17 |
AU702050B2 (en) | 1999-02-11 |
US6480232B1 (en) | 2002-11-12 |
DE69524420T2 (de) | 2002-08-01 |
US5734435A (en) | 1998-03-31 |
EP0775421A1 (en) | 1997-05-28 |
WO1995021505A1 (en) | 1995-08-10 |
AU1541895A (en) | 1995-08-21 |
JP3944238B2 (ja) | 2007-07-11 |
EP0775421B1 (en) | 2001-12-05 |
GB9401897D0 (en) | 1994-03-30 |
CA2182277A1 (en) | 1995-08-10 |
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