DE60038261D1 - Verfahren zur Detektion von schwarzen Strichen innerhalb eines Videobildes - Google Patents

Verfahren zur Detektion von schwarzen Strichen innerhalb eines Videobildes

Info

Publication number
DE60038261D1
DE60038261D1 DE60038261T DE60038261T DE60038261D1 DE 60038261 D1 DE60038261 D1 DE 60038261D1 DE 60038261 T DE60038261 T DE 60038261T DE 60038261 T DE60038261 T DE 60038261T DE 60038261 D1 DE60038261 D1 DE 60038261D1
Authority
DE
Germany
Prior art keywords
video image
black bars
detecting black
detecting
bars
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.)
Expired - Lifetime
Application number
DE60038261T
Other languages
English (en)
Other versions
DE60038261T2 (de
Inventor
Anne-Francoise Joanblanq
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technicolor SA
Original Assignee
Thomson Multimedia SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Multimedia SA filed Critical Thomson Multimedia SA
Publication of DE60038261D1 publication Critical patent/DE60038261D1/de
Application granted granted Critical
Publication of DE60038261T2 publication Critical patent/DE60038261T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/0122—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal the input and the output signals having different aspect ratios

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Image Analysis (AREA)
  • Television Signal Processing For Recording (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Picture Signal Circuits (AREA)
DE60038261T 1999-05-06 2000-04-19 Verfahren zur Detektion von schwarzen Strichen innerhalb eines Videobildes Expired - Lifetime DE60038261T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9905777 1999-05-06
FR9905777A FR2793375A1 (fr) 1999-05-06 1999-05-06 Procede de detection de bandes noires dans une image video

Publications (2)

Publication Number Publication Date
DE60038261D1 true DE60038261D1 (de) 2008-04-24
DE60038261T2 DE60038261T2 (de) 2009-03-05

Family

ID=9545291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038261T Expired - Lifetime DE60038261T2 (de) 1999-05-06 2000-04-19 Verfahren zur Detektion von schwarzen Strichen innerhalb eines Videobildes

Country Status (7)

Country Link
US (1) US6947097B1 (de)
EP (1) EP1051033B1 (de)
JP (1) JP4597310B2 (de)
CN (1) CN1178474C (de)
DE (1) DE60038261T2 (de)
ES (1) ES2301473T3 (de)
FR (1) FR2793375A1 (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6371935B1 (en) 1999-01-22 2002-04-16 Cardeon Corporation Aortic catheter with flow divider and methods for preventing cerebral embolization
EP1408684A1 (de) * 2002-10-03 2004-04-14 STMicroelectronics S.A. Videoanzeigeverfahren und -system mit automatischem Abschneiden
JP3664251B2 (ja) * 2002-11-06 2005-06-22 船井電機株式会社 映像出力装置
JP3819870B2 (ja) * 2003-04-25 2006-09-13 三洋電機株式会社 画像表示装置
US20040223084A1 (en) * 2003-05-08 2004-11-11 Stanger Leon J. Methods and apparatus for border processing in video distribution systems
EP1523175A1 (de) * 2003-10-09 2005-04-13 Deutsche Thomson-Brandt Gmbh Methode und Vorrichtung zur automatischen Formaterkennung des nutzbaren Bildinhaltes eines Bildsignals
US7339627B2 (en) * 2003-10-30 2008-03-04 Broadcom Corporation Method and system for automatic detection and display of aspect ratio
US7643091B2 (en) * 2004-05-18 2010-01-05 Harris Technology, Llc Aspect ratio enhancement
US20080063063A1 (en) * 2004-06-24 2008-03-13 Koninklijke Philips Electronics, N.V. Electronic device and method for block-based image processing
KR20060077449A (ko) * 2004-12-30 2006-07-05 삼성전자주식회사 화면비 변환 장치 및 그 방법
JP2007228167A (ja) * 2006-02-22 2007-09-06 Funai Electric Co Ltd パネル型映像表示装置および液晶テレビジョン
JP2007329700A (ja) * 2006-06-08 2007-12-20 Sony Corp 映像信号処理装置、映像表示装置および映像表示方法
TWI324477B (en) * 2006-11-03 2010-05-01 Quanta Comp Inc Stereoscopic image format transformation method applied to display system
JP2009038619A (ja) * 2007-08-02 2009-02-19 Sony Corp 画像処理装置および方法、並びにプログラム
JP2010147538A (ja) * 2008-12-16 2010-07-01 Sony Corp 画像処理装置および方法、並びにプログラム
US20100157145A1 (en) * 2008-12-23 2010-06-24 Horizon Semiconductors Ltd. Adaptive panoramic interpolator
CN101990045B (zh) * 2009-07-29 2014-02-19 鸿富锦精密工业（深圳）有限公司 数字图像检测系统及方法
US8493444B2 (en) 2009-09-29 2013-07-23 United States Postal Service System and method of detecting a blocked aperture in letter or flat mail image sensor
US8547481B2 (en) * 2010-12-20 2013-10-01 Texas Instruments Incorporated Apparatus and method for black bar detection in digital TVs and set-top boxes
FR2971603A1 (fr) 2011-02-15 2012-08-17 Thomson Licensing Procede de traitement d’image stereoscopique comprenant une bande noire et dispositif correspondant
US9131097B2 (en) 2011-09-16 2015-09-08 Dolby Laboratories Licensing Corporation Method and system for black bar identification
TW201316761A (zh) * 2011-10-14 2013-04-16 Novatek Microelectronics Corp 影像畫面的黑邊偵測方法與影像處理裝置
CN103079028A (zh) * 2011-10-25 2013-05-01 联咏科技股份有限公司 图像画面的黑边检测方法与图像处理装置
US9756282B2 (en) 2012-11-20 2017-09-05 Sony Corporation Method and apparatus for processing a video signal for display
US9135720B2 (en) * 2013-03-27 2015-09-15 Stmicroelectronics Asia Pacific Pte. Ltd. Content-based aspect ratio detection
CN103618861A (zh) * 2013-10-28 2014-03-05 南京熊猫电子股份有限公司 平板电视接收机一种图像亮度校准的方法
EP3016386A1 (de) 2014-10-29 2016-05-04 Thomson Licensing Verfahren und Vorrichtung zur Schätzung einer Farbzuordnung zwischen zwei Versionen mit unterschiedlicher Farbgradierung eines Bildes
CN105430382A (zh) * 2015-12-02 2016-03-23 厦门雅迅网络股份有限公司 一种视频图像检测黑边的方法和装置
CN112162888A (zh) * 2020-09-18 2021-01-01 深圳Tcl新技术有限公司 显示器黑屏的原因的确定方法、装置和计算机存储介质
EP4352948A1 (de) * 2021-06-11 2024-04-17 Dolby Laboratories Licensing Corporation Surround-area-detektion und -mischung zur bildfilterung
US11295452B1 (en) 2021-09-16 2022-04-05 Alphonso Inc Automated method and apparatus for detecting black borders in an image frame
US11288784B1 (en) 2021-09-16 2022-03-29 Alphonso Inc. Automated method and apparatus for identifying whether a first video is a content-identical variant of a second video when image frames of either the first video or the second video include at least one black border

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5351135A (en) 1990-06-01 1994-09-27 Thomson Consumer Electronics, Inc. Managing letterbox signals with logos
US5486871A (en) 1990-06-01 1996-01-23 Thomson Consumer Electronics, Inc. Automatic letterbox detection
US5249049A (en) 1990-06-01 1993-09-28 Thomson Consumer Electronics, Inc. Managing letterbox displays
US5345270A (en) * 1990-06-01 1994-09-06 Thomson Consumer Electronics, Inc. Managing letterbox signals with logos and closed captions
US5309234A (en) * 1991-05-29 1994-05-03 Thomson Consumer Electronics Adaptive letterbox detector
US5384599A (en) * 1992-02-21 1995-01-24 General Electric Company Television image format conversion system including noise reduction apparatus
WO1994019911A1 (en) * 1993-02-17 1994-09-01 Thomson Consumer Electronics, Inc. Managing letterbox displays
JP2947082B2 (ja) * 1993-10-20 1999-09-13 日本ビクター株式会社 画面サイズ調整装置
US5699123A (en) * 1993-10-20 1997-12-16 Victor Company Of Japan, Ltd. Television receiver with an adjustable frame size
JP3232950B2 (ja) * 1994-03-31 2001-11-26 松下電器産業株式会社 映像種類識別装置及びそれを用いたアスペクト比自動識別装置及びテレビジョン受像機
TW307971B (de) * 1994-03-31 1997-06-11 Matsushita Electric Ind Co Ltd
JP3429842B2 (ja) * 1994-04-15 2003-07-28 松下電器産業株式会社 映像信号の画像情報検出装置
WO1996013936A1 (en) * 1994-10-28 1996-05-09 Philips Electronics N.V. Decoding of a data signal transmitted in a television system
TW344931B (en) * 1994-12-08 1998-11-11 Matsushita Electric Ind Co Ltd Average luminance level detection apparatus and aspect ratio auto-discrimination apparatus for a television signal using the same
JP3541529B2 (ja) * 1994-12-08 2004-07-14 松下電器産業株式会社 テレビジョン信号のアスペクト比自動識別装置
JP3501252B2 (ja) * 1995-06-16 2004-03-02 三菱電機株式会社 階調補正装置
JP3508119B2 (ja) * 1995-06-20 2004-03-22 ソニー株式会社 画面表示領域判別装置
JP3575153B2 (ja) * 1996-01-17 2004-10-13 ソニー株式会社 アスペクト比判別回路及び映像モニタ装置
EP0800311B1 (de) * 1996-04-01 2001-08-08 Matsushita Electric Industrial Co., Ltd. Schaltung zur automatischen Erkennung von "Letter-Box" Bildern in Fernsehempfängern
US6018588A (en) * 1996-10-09 2000-01-25 Samsung Electronics Co., Ltd. Image enhancement circuit and method using mean matching/quantized mean matching histogram equalization and color compensation
EP0837602A3 (de) * 1996-10-17 1999-10-06 Kabushiki Kaisha Toshiba Vorrichtung zur Erkennung von Bildern nach dem Letterbox-Verfahren
FI104521B (fi) * 1997-01-30 2000-02-15 Nokia Multimedia Network Termi Menetelmä kuvasekvenssien kontrastin parantamiseksi
US6373533B1 (en) * 1997-03-06 2002-04-16 Matsushita Electric Industrial Co., Ltd. Image quality correction circuit for video signals
JP3301592B2 (ja) * 1997-05-12 2002-07-15 日本ビクター株式会社 画面サイズ調整装置
JPH1198422A (ja) * 1997-09-19 1999-04-09 Sony Corp 映像信号判別回路
EP0913994B1 (de) * 1997-10-28 2010-12-15 Thomson Licensing Verfahren und Vorrichtung zur automatischen Detektion des Formats in digitalen Videobildern
EP0913993A1 (de) * 1997-10-28 1999-05-06 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur automatischen Detektion des Formats in einem digitalen Videobild
US6340992B1 (en) * 1997-12-31 2002-01-22 Texas Instruments Incorporated Automatic detection of letterbox and subtitles in video
US6504954B1 (en) * 1999-02-05 2003-01-07 Raytheon Company Closed loop piecewise-linear histogram specification method and apparatus

Also Published As

Publication number Publication date
ES2301473T3 (es) 2008-07-01
JP4597310B2 (ja) 2010-12-15
CN1273487A (zh) 2000-11-15
EP1051033B1 (de) 2008-03-12
EP1051033A1 (de) 2000-11-08
US6947097B1 (en) 2005-09-20
DE60038261T2 (de) 2009-03-05
CN1178474C (zh) 2004-12-01
FR2793375A1 (fr) 2000-11-10
JP2000341603A (ja) 2000-12-08

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