JP4711676B2 - ビデオ信号に含まれる補助情報を処理する方法及びデータにより表される文字の歪みを補正する装置 - Google Patents
ビデオ信号に含まれる補助情報を処理する方法及びデータにより表される文字の歪みを補正する装置 Download PDFInfo
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- JP4711676B2 JP4711676B2 JP2004506286A JP2004506286A JP4711676B2 JP 4711676 B2 JP4711676 B2 JP 4711676B2 JP 2004506286 A JP2004506286 A JP 2004506286A JP 2004506286 A JP2004506286 A JP 2004506286A JP 4711676 B2 JP4711676 B2 JP 4711676B2
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- 238000000034 method Methods 0.000 title claims description 34
- 238000009877 rendering Methods 0.000 claims description 37
- 239000003086 colorant Substances 0.000 claims description 16
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000032041 Hearing impaired Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000026676 system process Effects 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
- H04N21/81—Monomedia components thereof
- H04N21/8146—Monomedia components thereof involving graphical data, e.g. 3D object, 2D graphics
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/24—Generation of individual character patterns
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/22—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of characters or indicia using display control signals derived from coded signals representing the characters or indicia, e.g. with a character-code memory
- G09G5/24—Generation of individual character patterns
- G09G5/243—Circuits for displaying proportional spaced characters or for kerning
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
-
- 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
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
- H04N21/4312—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations
- H04N21/4314—Generation of visual interfaces for content selection or interaction; Content or additional data rendering involving specific graphical features, e.g. screen layout, special fonts or colors, blinking icons, highlights or animations for fitting data in a restricted space on the screen, e.g. EPG data in a rectangular grid
-
- 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
- H04N21/47—End-user applications
-
- 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
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4884—Data services, e.g. news ticker for displaying subtitles
-
- 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
- H04N21/47—End-user applications
- H04N21/488—Data services, e.g. news ticker
- H04N21/4888—Data services, e.g. news ticker for displaying teletext characters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/445—Receiver circuitry for the reception of television signals according to analogue transmission standards for displaying additional information
- H04N5/44504—Circuit details of the additional information generator, e.g. details of the character or graphics signal generator, overlay mixing circuits
-
- 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
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Graphics (AREA)
- Controls And Circuits For Display Device (AREA)
- Image Generation (AREA)
Description
先に説明された問題を解決するための例示的な実施の形態のシステム及び方法は、図1、図2及び図3を参照してこれより説明される。図1は、本発明のシステム及び方法に従う文字の歪みを補正するための進展を例示している。図2は、本発明のシステム及び方法に係る補正ルーチン30に関するフローチャートである。図3は、図2の方法に従いシステムにより補正されるイタリック体により生じる歪みを有する2つの隣り合うテキスト文字を例示している。テキストが表示されるとき、第一の文字20の前景及び後景を表す信号は、図3を参照して示されるように、及びステップS30で説明されるように、ディスプレイでのレンダリングのために生成される。ステップS32では、その前景及び後景の色を含む次又は第二の文字22を示す信号は、第一の文字20隣のレンダリングのために生成される。ステップS34では、第二の文字22の直前の前の又は第一の文字20がイタリック体であるかが判定される。前の文字20の位置は、テキストがたとえば左から右に、右から左へ、上から下へ等とレンダリングされる方向に基づいている。
本発明の代替的な実施の形態は、ディスプレイ上で文字を置き換えることを含む。EIA−608及び/又はEIA−708規格であるディスプレイでレンダリングされる文字は、修正することができる。文字は、文字の誤ったレンダリング、ミススペルの訂正等のような如何なる様々な理由のために修正される場合がある。文字の置き換えは、既存のシステムにおいて既にレンダリングされる文字を置き換えることを必要としている。たとえば、図4に示されるように、前にレンダリングされたイタリック体で印刷された文字“M”42をイタリック体以外で印刷された文字“M”42で置き換える進展40が示される。
Claims (3)
- ビデオ信号に含まれる補助情報を処理する方法であって、
前記ビデオ信号を処理して、第一の文字と前記第一の文字に後続する隣り合う第二の文字とを表すデータを含む文字データを生成するステップと、前記文字データは、前記補助情報に含まれており、前記第一の文字と前記第二の文字は、前景領域と後景領域をそれぞれ有しており、
前記文字データに応答して前記第一の文字と前記第二の文字をレンダリングするステップと、
前記第一の文字がイタリック体の形式を示すかを判定するステップと、
前記第二の文字がレンダリングされた後に、イタリック体の形式を示す第一の文字に応答して、当該第一の文字の前景を再レンダリングするステップと、
前記第一の文字をイタリック体以外の形式の文字に置き換えた後に、イタリック体の形式を示す当該第一の文字に応答して、第二の文字の少なくとも一部を再レンダリングするステップと、
を含むことを特徴とする方法。 - 前記第一の文字及び前記第二の文字は、前記第一の文字と前記第二の文字のレンダリングに応答して生成された画像において隣り合う、
請求項1記載の方法。 - データにより表される文字の歪みを補正する装置であって、
文字データを有する補助情報を含む信号を受信する手段と、
前記信号から前記補助情報と文字データとを抽出する手段と、
前記文字データを処理する手段とを備え、
前記文字データは、後景の色と前景の色により表現される複数の文字を含み、前記処理手段は、前記複数の文字のそれぞれがイタリック体で印刷されているかを判定し、前記複数の文字のそれぞれの前景の色を示す信号を生成し、前記複数の文字のうちの後続する隣り合う1つのレンダリングの後、イタリック体で印刷されていると判定された前記複数の文字のそれぞれの前景の色を再レンダリングする、
ことを特徴とする装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US38063502P | 2002-05-15 | 2002-05-15 | |
US60/380,635 | 2002-05-15 | ||
PCT/US2003/015579 WO2003098925A1 (en) | 2002-05-15 | 2003-05-15 | Close captioning system in windows based graphics system |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005526290A JP2005526290A (ja) | 2005-09-02 |
JP2005526290A5 JP2005526290A5 (ja) | 2006-04-27 |
JP4711676B2 true JP4711676B2 (ja) | 2011-06-29 |
Family
ID=29549991
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004506286A Expired - Lifetime JP4711676B2 (ja) | 2002-05-15 | 2003-05-15 | ビデオ信号に含まれる補助情報を処理する方法及びデータにより表される文字の歪みを補正する装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US7511761B2 (ja) |
EP (1) | EP1504594B1 (ja) |
JP (1) | JP4711676B2 (ja) |
KR (1) | KR101050031B1 (ja) |
CN (1) | CN100433807C (ja) |
AU (1) | AU2003229313A1 (ja) |
MX (1) | MXPA04011267A (ja) |
WO (1) | WO2003098925A1 (ja) |
Families Citing this family (9)
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KR100565614B1 (ko) | 2003-09-17 | 2006-03-29 | 엘지전자 주식회사 | 캡션 송수신 방법 |
JP2007119239A (ja) * | 2005-10-31 | 2007-05-17 | Toshiba Tec Corp | タグ読み取り装置 |
US20080159713A1 (en) * | 2006-12-28 | 2008-07-03 | Mediatek Inc. | Digital Video Recorder, Multimedia Storage Apparatus, And Method Thereof |
JP2009177581A (ja) * | 2008-01-25 | 2009-08-06 | Necディスプレイソリューションズ株式会社 | 投射型表示装置および字幕表示方法 |
CN101668131B (zh) * | 2008-09-04 | 2013-01-02 | 新奥特(北京)视频技术有限公司 | 一种基于虚拟容器的电视字幕编辑和播出方法 |
US8379801B2 (en) | 2009-11-24 | 2013-02-19 | Sorenson Communications, Inc. | Methods and systems related to text caption error correction |
US9628865B2 (en) * | 2012-09-10 | 2017-04-18 | Apple Inc. | Enhanced closed caption feature |
US10289677B2 (en) * | 2015-02-19 | 2019-05-14 | Tribune Broadcasting Company, Llc | Systems and methods for using a program schedule to facilitate modifying closed-captioning text |
US9854329B2 (en) | 2015-02-19 | 2017-12-26 | Tribune Broadcasting Company, Llc | Use of a program schedule to modify an electronic dictionary of a closed-captioning generator |
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-
2003
- 2003-05-15 CN CNB038139359A patent/CN100433807C/zh not_active Expired - Lifetime
- 2003-05-15 KR KR1020047018197A patent/KR101050031B1/ko active IP Right Grant
- 2003-05-15 MX MXPA04011267A patent/MXPA04011267A/es not_active Application Discontinuation
- 2003-05-15 JP JP2004506286A patent/JP4711676B2/ja not_active Expired - Lifetime
- 2003-05-15 US US10/514,227 patent/US7511761B2/en not_active Expired - Lifetime
- 2003-05-15 EP EP03726901.6A patent/EP1504594B1/en not_active Expired - Lifetime
- 2003-05-15 WO PCT/US2003/015579 patent/WO2003098925A1/en active Application Filing
- 2003-05-15 AU AU2003229313A patent/AU2003229313A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP1504594B1 (en) | 2013-07-10 |
MXPA04011267A (es) | 2005-07-01 |
KR101050031B1 (ko) | 2011-07-19 |
CN1663243A (zh) | 2005-08-31 |
US20050225674A1 (en) | 2005-10-13 |
EP1504594A1 (en) | 2005-02-09 |
KR20040106526A (ko) | 2004-12-17 |
CN100433807C (zh) | 2008-11-12 |
US7511761B2 (en) | 2009-03-31 |
JP2005526290A (ja) | 2005-09-02 |
WO2003098925A1 (en) | 2003-11-27 |
AU2003229313A1 (en) | 2003-12-02 |
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