DE69614365T2 - Schaltung zur automatischen Erkennung von "Letter-Box" Bildern in Fernsehempfängern - Google Patents

Schaltung zur automatischen Erkennung von "Letter-Box" Bildern in Fernsehempfängern

Info

Publication number
DE69614365T2
DE69614365T2 DE1996614365 DE69614365T DE69614365T2 DE 69614365 T2 DE69614365 T2 DE 69614365T2 DE 1996614365 DE1996614365 DE 1996614365 DE 69614365 T DE69614365 T DE 69614365T DE 69614365 T2 DE69614365 T2 DE 69614365T2
Authority
DE
Germany
Prior art keywords
images
circuit
television receivers
automatic recognition
letter box
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 - Fee Related
Application number
DE1996614365
Other languages
English (en)
Other versions
DE69614365D1 (de
Inventor
Markus Schu
Dr Heiss
Michael Geissel
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.)
Panasonic Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE69614365D1 publication Critical patent/DE69614365D1/de
Publication of DE69614365T2 publication Critical patent/DE69614365T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Television Systems (AREA)
  • Studio Circuits (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
DE1996614365 1996-04-01 1996-04-01 Schaltung zur automatischen Erkennung von "Letter-Box" Bildern in Fernsehempfängern Expired - Fee Related DE69614365T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19960105201 EP0800311B1 (de) 1996-04-01 1996-04-01 Schaltung zur automatischen Erkennung von "Letter-Box" Bildern in Fernsehempfängern

Publications (2)

Publication Number Publication Date
DE69614365D1 DE69614365D1 (de) 2001-09-13
DE69614365T2 true DE69614365T2 (de) 2001-11-22

Family

ID=8222635

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996614365 Expired - Fee Related DE69614365T2 (de) 1996-04-01 1996-04-01 Schaltung zur automatischen Erkennung von "Letter-Box" Bildern in Fernsehempfängern

Country Status (6)

Country Link
EP (1) EP0800311B1 (de)
JP (1) JP3435301B2 (de)
CN (1) CN1113530C (de)
DE (1) DE69614365T2 (de)
MY (1) MY118039A (de)
SG (1) SG54488A1 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1198422A (ja) * 1997-09-19 1999-04-09 Sony Corp 映像信号判別回路
US6262772B1 (en) 1998-11-23 2001-07-17 Philips Electronics North America Corporation Method and apparatus for preventing display screen burn-in
FR2793375A1 (fr) * 1999-05-06 2000-11-10 Thomson Multimedia Sa Procede de detection de bandes noires dans une image video
EP1408684A1 (de) * 2002-10-03 2004-04-14 STMicroelectronics S.A. Videoanzeigeverfahren und -system mit automatischem Abschneiden
EP1523175A1 (de) * 2003-10-09 2005-04-13 Deutsche Thomson-Brandt Gmbh Methode und Vorrichtung zur automatischen Formaterkennung des nutzbaren Bildinhaltes eines Bildsignals
KR100594806B1 (ko) * 2004-12-28 2006-06-30 삼성전자주식회사 레터박스 경계를 검출하는 디스플레이장치 및 이를 이용한영상 디스플레이 방법
KR100771616B1 (ko) * 2005-09-09 2007-10-31 엘지전자 주식회사 투사형 디스플레이 장치 및 그 제어방법
CN100465625C (zh) * 2005-10-21 2009-03-04 京元电子股份有限公司 晶片影像检视方法及系统
TWI479891B (zh) 2007-06-26 2015-04-01 Apple Inc 動態背光調適
TWI466093B (zh) 2007-06-26 2014-12-21 Apple Inc 用於視訊播放的管理技術
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
US8766902B2 (en) 2007-12-21 2014-07-01 Apple Inc. Management techniques for video playback
JP2009223722A (ja) 2008-03-18 2009-10-01 Sony Corp 画像信号処理装置、画像信号処理方法、およびプログラム
KR101036481B1 (ko) * 2009-05-25 2011-05-24 엘지전자 주식회사 영상 표시 장치 및 콘트라스트 개선 방법
EP4352948A1 (de) 2021-06-11 2024-04-17 Dolby Laboratories Licensing Corporation Surround-area-detektion und -mischung zur bildfilterung

Family Cites Families (4)

* 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
US5345270A (en) * 1990-06-01 1994-09-06 Thomson Consumer Electronics, Inc. Managing letterbox signals with logos and closed captions
DE69330467T2 (de) * 1993-02-17 2001-11-08 Thomson Consumer Electronics Adaptive letterbox-detektion
TW307971B (de) * 1994-03-31 1997-06-11 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
CN1167401A (zh) 1997-12-10
CN1113530C (zh) 2003-07-02
SG54488A1 (en) 1998-11-16
EP0800311B1 (de) 2001-08-08
DE69614365D1 (de) 2001-09-13
MY118039A (en) 2004-08-30
EP0800311A1 (de) 1997-10-08
JP3435301B2 (ja) 2003-08-11
JPH09270966A (ja) 1997-10-14

Similar Documents

Publication Publication Date Title
DE69614365D1 (de) Schaltung zur automatischen Erkennung von "Letter-Box" Bildern in Fernsehempfängern
DE69121542D1 (de) System zur Verteilung von Videosendungen
DE69519770D1 (de) Gerät zur verhinderung von gleichkanal-ntsc-störungen bei digitalen tv-übertragungen
DE69027537T2 (de) System zur synchronisierung von haupt- und hilfsvideosignalen
DE69417661T2 (de) Gerät zur steganografischen Einfügung von Information in Farbbilder
FR2745924B1 (fr) Circuit integre perfectionne et procede d'utilisation d'un tel circuit integre
DE69712250D1 (de) Fernseh-Postsystem
DE69723220D1 (de) Gerät und Verfahren zur Extrahierung von Tabellengeraden innerhalb normaler Dokumentbilder
IT1289809B1 (it) Procedimento e sistema automatico per ottenere mappe di contenuto d'acqua e/o di permettivita'elettrica da immagini di risonanza
DE69434131D1 (de) Vorrichtung zur Segmentierung von aus Texturen bestehenden Bildern
NO985777L (no) Reklame i TV-sending
DE69605106D1 (de) Schaltung zur Chrominanzübergangsverbesserung in Echtzeitvideoempfang
DE69219659D1 (de) System zur Verarbeitung stehender Farbvideobilder
HK1002259A1 (en) Automatic circuit tester with separate instrument and scanner busses
GB9018846D0 (en) Video overlay circuit
DE69219398D1 (de) Vorrichtung zur Identifizierung von Standard- und Nichtstandardvideosignalen
DE69731171D1 (de) Schaltung zur Erkennung eines Farbfernsehsystems
GB9713354D0 (en) Image outline enhancing method and circuit thereof
DE69636275D1 (de) Vorrichtung zur Dekodierung von digitalen Bildern
EP0460750A3 (en) Letterbox extended television system
FR2696068B1 (fr) Circuit d'identification de standard télévisé.
DE69715853T2 (de) Vorrichtung zur umwandlung von film- in videobilder
KR980005890U (ko) 텔레비젼 수상기의 화이트피크 자동제한회로
EP0457393A3 (en) Circuitry for reducing line and edge flicker in television pictures and signal processing circuit therefor
KR970006136Y1 (en) Automatic white level limiting circuit for color television

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PANASONIC CORP., KADOMA, OSAKA, JP

8339 Ceased/non-payment of the annual fee