DE69928134D1 - Vorrichtung zur Erkennung von Kantenrichtungen - Google Patents

Vorrichtung zur Erkennung von Kantenrichtungen

Info

Publication number
DE69928134D1
DE69928134D1 DE69928134T DE69928134T DE69928134D1 DE 69928134 D1 DE69928134 D1 DE 69928134D1 DE 69928134 T DE69928134 T DE 69928134T DE 69928134 T DE69928134 T DE 69928134T DE 69928134 D1 DE69928134 D1 DE 69928134D1
Authority
DE
Germany
Prior art keywords
edge directions
detecting edge
detecting
directions
edge
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
DE69928134T
Other languages
English (en)
Inventor
Toai Kieu
Dinh Tam Le
Daniel Poirier
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.)
Miranda Technologies Inc
Original Assignee
Miranda Technologies Inc
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
Priority claimed from US09/089,472 external-priority patent/US6181382B1/en
Application filed by Miranda Technologies Inc filed Critical Miranda Technologies Inc
Application granted granted Critical
Publication of DE69928134D1 publication Critical patent/DE69928134D1/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
    • H04N7/0135—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • H04N7/0137—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes dependent on presence/absence of motion, e.g. of motion zones
    • 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
    • H04N7/012—Conversion between an interlaced and a progressive signal
    • 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
    • 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
    • H04N7/0125—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level one of the standards being a high definition standard
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/147—Scene change detection

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Graphics (AREA)
  • Television Systems (AREA)
DE69928134T 1998-04-03 1999-04-01 Vorrichtung zur Erkennung von Kantenrichtungen Expired - Lifetime DE69928134D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CAPCT/CA98/00304 1998-04-03
US09/089,472 US6181382B1 (en) 1998-04-03 1998-06-02 HDTV up converter

Publications (1)

Publication Number Publication Date
DE69928134D1 true DE69928134D1 (de) 2005-12-08

Family

ID=25683154

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69928134T Expired - Lifetime DE69928134D1 (de) 1998-04-03 1999-04-01 Vorrichtung zur Erkennung von Kantenrichtungen

Country Status (5)

Country Link
EP (1) EP1084577A1 (de)
JP (1) JP2002510946A (de)
AU (1) AU3021999A (de)
DE (1) DE69928134D1 (de)
WO (1) WO1999052281A2 (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6731818B1 (en) 1999-06-30 2004-05-04 Realnetworks, Inc. System and method for generating video frames
US6753865B1 (en) 1999-06-30 2004-06-22 Realnetworks, Inc. System and method for generating video frames and post filtering
US6735338B1 (en) 1999-06-30 2004-05-11 Realnetworks, Inc. System and method for generating video frames and detecting text
US6760378B1 (en) 1999-06-30 2004-07-06 Realnetworks, Inc. System and method for generating video frames and correcting motion
US6765964B1 (en) 2000-12-06 2004-07-20 Realnetworks, Inc. System and method for intracoding video data
JP4553481B2 (ja) * 2000-12-14 2010-09-29 パナソニック株式会社 走査線補間装置
KR100574943B1 (ko) * 2003-06-10 2006-05-02 삼성전자주식회사 영상 변환 방법 및 장치
EP1558033A1 (de) * 2004-01-21 2005-07-27 Deutsche Thomson-Brandt Gmbh Verfahren und Gerät zur Steuerung der Einfügung von zusätzlichen Halbbildern oder Bildern in einer Bildsequenz um dessen Format zu verändern
CN100585620C (zh) * 2004-08-20 2010-01-27 奥普提克斯晶硅有限公司 边缘自适应图像扩展和增强***和方法
EP1631089A1 (de) 2004-08-30 2006-03-01 Matsushita Electric Industrial Co., Ltd. Videokodierungs- und Videodekodierungsvorrichtung
JP4821511B2 (ja) * 2006-08-30 2011-11-24 ソニー株式会社 映像処理方法、映像処理プログラムおよび映像処理装置、ならびに、再生方法、再生プログラムおよび再生装置
JP2008079029A (ja) * 2006-09-21 2008-04-03 Hitachi Kokusai Electric Inc 画像処理装置
WO2010038197A1 (en) * 2008-09-30 2010-04-08 Nxp B.V. Profile for frame rate conversion
US9654792B2 (en) 2009-07-03 2017-05-16 Intel Corporation Methods and systems for motion vector derivation at a video decoder
US8279344B2 (en) * 2009-12-14 2012-10-02 Qnx Software Systems Limited Synchronization of video presentation by video cadence modification

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8626066D0 (en) * 1986-10-31 1986-12-03 British Broadcasting Corp Interpolating lines of video signals
JPH06189274A (ja) * 1992-12-22 1994-07-08 Hitachi Ltd 周波数変換方法及び装置
DE69426584T2 (de) * 1993-08-06 2001-06-13 Lg Electronics Inc Einrichtung zur Umsetzung der Vollbildfrequenz
JPH07193792A (ja) * 1993-12-27 1995-07-28 Casio Comput Co Ltd 走査線補間装置
GB9401897D0 (en) * 1994-02-01 1994-03-30 Snell & Wilcox Ltd Video processing
JP3537189B2 (ja) * 1994-08-01 2004-06-14 沖電気工業株式会社 テレビジョン信号変換装置
JP2832927B2 (ja) * 1994-10-31 1998-12-09 日本ビクター株式会社 走査線補間装置及び走査線補間用動きベクトル検出装置
CA2213606C (en) * 1996-09-09 2005-01-11 Miranda Technologies Inc. Apparatus and method for line interpolating an interlaced video signal

Also Published As

Publication number Publication date
WO1999052281A2 (en) 1999-10-14
AU3021999A (en) 1999-10-25
JP2002510946A (ja) 2002-04-09
WO1999052281A3 (en) 1999-11-18
EP1084577A1 (de) 2001-03-21

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Legal Events

Date Code Title Description
8332 No legal effect for de