TW348357B - Method for improved edge detection - Google Patents

Method for improved edge detection

Info

Publication number
TW348357B
TW348357B TW086103482A TW86103482A TW348357B TW 348357 B TW348357 B TW 348357B TW 086103482 A TW086103482 A TW 086103482A TW 86103482 A TW86103482 A TW 86103482A TW 348357 B TW348357 B TW 348357B
Authority
TW
Taiwan
Prior art keywords
edge direction
difference
final edge
edge detection
processor
Prior art date
Application number
TW086103482A
Other languages
English (en)
Inventor
A Clatanoff Todd
Markandey Vishal
J Gove Robert
Hiroshi Oharakasu
Original Assignee
Texas Instruments 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
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of TW348357B publication Critical patent/TW348357B/zh

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00Television systems
    • H04N7/01Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117Conversion 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
    • H04N7/012Conversion between an interlaced and a progressive signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
TW086103482A 1994-04-14 1995-06-16 Method for improved edge detection TW348357B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/227,816 US5519451A (en) 1994-04-14 1994-04-14 Motion adaptive scan-rate conversion using directional edge interpolation

Publications (1)

Publication Number Publication Date
TW348357B true TW348357B (en) 1998-12-21

Family

ID=22854587

Family Applications (4)

Application Number Title Priority Date Filing Date
TW086103483A TW348358B (en) 1994-04-14 1995-06-16 Method for fast median filtering
TW084106155A TW326612B (en) 1994-04-14 1995-06-16 System and method for processing video data during interlaced to progressive scan conversion
TW086103482A TW348357B (en) 1994-04-14 1995-06-16 Method for improved edge detection
TW086103481A TW348356B (en) 1994-04-14 1995-06-16 Method producing improved motion signals

Family Applications Before (2)

Application Number Title Priority Date Filing Date
TW086103483A TW348358B (en) 1994-04-14 1995-06-16 Method for fast median filtering
TW084106155A TW326612B (en) 1994-04-14 1995-06-16 System and method for processing video data during interlaced to progressive scan conversion

Family Applications After (1)

Application Number Title Priority Date Filing Date
TW086103481A TW348356B (en) 1994-04-14 1995-06-16 Method producing improved motion signals

Country Status (8)

Country Link
US (3) US5519451A (zh)
EP (1) EP0677958B1 (zh)
JP (2) JPH0884321A (zh)
KR (1) KR100424600B1 (zh)
CN (1) CN1087892C (zh)
CA (1) CA2146884A1 (zh)
DE (1) DE69519398T2 (zh)
TW (4) TW348358B (zh)

Families Citing this family (103)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0669598B1 (en) * 1994-02-28 1999-10-27 STMicroelectronics S.r.l. Filter for reducing noise and exalting image digital signals edges according to fuzzy logic
DE4419891B4 (de) * 1994-06-07 2006-06-29 Micronas Gmbh Verfahren zur progressiven Konversion von Fernsehbildern mit Zeilensprung
KR100203270B1 (ko) * 1995-09-30 1999-06-15 윤종용 광역벡터의 상관성을 이용한 화소의 보간방법 및 그 장치
JPH09163373A (ja) * 1995-12-08 1997-06-20 Toshiba Corp 雑音低減装置
FR2742900B1 (fr) * 1995-12-22 1998-02-13 Thomson Multimedia Sa Procede d'interpolation de trames progressives
US6104755A (en) * 1996-09-13 2000-08-15 Texas Instruments Incorporated Motion detection using field-difference measurements
JP3274980B2 (ja) * 1997-03-03 2002-04-15 株式会社ケンウッド 二次元ビデオフィルタ及びビデオフィルタ装置
US6173317B1 (en) 1997-03-14 2001-01-09 Microsoft Corporation Streaming and displaying a video stream with synchronized annotations over a computer network
US6639945B2 (en) 1997-03-14 2003-10-28 Microsoft Corporation Method and apparatus for implementing motion detection in video compression
US6100870A (en) * 1997-05-30 2000-08-08 Texas Instruments Incorporated Method for vertical imaging scaling
US6141056A (en) * 1997-08-08 2000-10-31 Sharp Laboratories Of America, Inc. System for conversion of interlaced video to progressive video using horizontal displacement
US6281942B1 (en) * 1997-08-11 2001-08-28 Microsoft Corporation Spatial and temporal filtering mechanism for digital motion video signals
US6452972B1 (en) * 1997-09-12 2002-09-17 Texas Instruments Incorporated Motion detection using field-difference measurements
US6262773B1 (en) * 1997-09-15 2001-07-17 Sharp Laboratories Of America, Inc. System for conversion of interlaced video to progressive video using edge correlation
US6061100A (en) * 1997-09-30 2000-05-09 The University Of British Columbia Noise reduction for video signals
US6546405B2 (en) 1997-10-23 2003-04-08 Microsoft Corporation Annotating temporally-dimensioned multimedia content
US6181382B1 (en) * 1998-04-03 2001-01-30 Miranda Technologies Inc. HDTV up converter
US7536706B1 (en) 1998-08-24 2009-05-19 Sharp Laboratories Of America, Inc. Information enhanced audio video encoding system
US6118488A (en) * 1998-08-31 2000-09-12 Silicon Integrated Systems Corporation Method and apparatus for adaptive edge-based scan line interpolation using 1-D pixel array motion detection
US6297848B1 (en) * 1998-11-25 2001-10-02 Sharp Laboratories Of America, Inc. Low-delay conversion of 3:2 pulldown video to progressive format with field averaging
KR100282397B1 (ko) * 1998-12-31 2001-02-15 구자홍 디지탈 영상 데이터의 디인터레이싱 장치
KR100323662B1 (ko) * 1999-06-16 2002-02-07 구자홍 디인터레이싱 장치 및 방법
KR100303728B1 (ko) * 1999-07-29 2001-09-29 구자홍 격행주사 영상의 디인터레이싱 방법
JP2003507041A (ja) 1999-08-16 2003-02-25 イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー カレンジン酸、デルタ−8,10,12共役二重結合を含有する脂肪酸及びデルタ−9位における修飾を有する関連脂肪酸の製造方法
US7171703B2 (en) 1999-11-30 2007-02-06 Pool Cover Specialists National, Inc. Pool cover tracking system
US6731342B2 (en) * 2000-01-06 2004-05-04 Lg Electronics Inc. Deinterlacing apparatus and method using edge direction detection and pixel interplation
CN1208959C (zh) * 2000-01-28 2005-06-29 富士通将军股份有限公司 扫描变换电路
EP1195054A1 (en) 2000-03-15 2002-04-10 Koninklijke Philips Electronics N.V. Video-apparatus with peaking filter
US6721458B1 (en) 2000-04-14 2004-04-13 Seiko Epson Corporation Artifact reduction using adaptive nonlinear filters
JP2002024815A (ja) * 2000-06-13 2002-01-25 Internatl Business Mach Corp <Ibm> 拡大画像データに変換するための画像変換方法、画像処理装置、および画像表示装置
KR100364762B1 (ko) * 2000-06-22 2002-12-16 엘지전자 주식회사 순차주사 영상 변환 장치 및 방법과, 그를 이용한 수직주사율 변환 장치
US7647340B2 (en) 2000-06-28 2010-01-12 Sharp Laboratories Of America, Inc. Metadata in JPEG 2000 file format
KR100644601B1 (ko) * 2000-09-30 2006-11-10 삼성전자주식회사 움직임 보상형 보간을 이용한 디-인터레이싱 장치 및 그방법
US7116372B2 (en) * 2000-10-20 2006-10-03 Matsushita Electric Industrial Co., Ltd. Method and apparatus for deinterlacing
JP2004516718A (ja) 2000-12-11 2004-06-03 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ビデオ信号処理における動き補償型デインターレーシング
US7098957B2 (en) * 2000-12-20 2006-08-29 Samsung Electronics Co., Ltd. Method and apparatus for detecting repetitive motion in an interlaced video sequence apparatus for processing interlaced video signals
JP2002199351A (ja) * 2000-12-27 2002-07-12 Matsushita Electric Ind Co Ltd 静止判定装置およびそれを備えた走査線補間装置
US6859554B2 (en) * 2001-04-04 2005-02-22 Mitsubishi Electric Research Laboratories, Inc. Method for segmenting multi-resolution video objects
US7110612B1 (en) 2001-10-11 2006-09-19 Pixelworks, Inc. Weighted absolute difference based noise reduction method and apparatus
DE60208916T2 (de) * 2001-11-01 2006-08-31 Koninklijke Philips Electronics N.V. Kanteninterpolation von videodaten
KR20040054758A (ko) * 2001-11-01 2004-06-25 코닌클리케 필립스 일렉트로닉스 엔.브이. 비디오 이미지들의 향상된 공간 해상도
US7245326B2 (en) * 2001-11-19 2007-07-17 Matsushita Electric Industrial Co. Ltd. Method of edge based interpolation
US7423691B2 (en) * 2001-11-19 2008-09-09 Matsushita Electric Industrial Co., Ltd. Method of low latency interlace to progressive video format conversion
US7375760B2 (en) * 2001-12-31 2008-05-20 Texas Instruments Incorporated Content-dependent scan rate converter with adaptive noise reduction
US7023487B1 (en) * 2002-01-25 2006-04-04 Silicon Image, Inc. Deinterlacing of video sources via image feature edge detection
US7154556B1 (en) 2002-03-21 2006-12-26 Pixelworks, Inc. Weighted absolute difference based deinterlace method and apparatus
KR100451258B1 (ko) * 2002-06-12 2004-10-06 (주)씨앤에스 테크놀로지 디지털 방송의 가상 채널 맵핑 및 채널 튜닝방법
US7099509B2 (en) * 2002-10-11 2006-08-29 Samsung Electronics Co., Ltd. Method of edge direction detection based on the correlations between pixels of a vector and an edge direction detection system
KR20040061244A (ko) * 2002-12-30 2004-07-07 삼성전자주식회사 디-인터레이싱 방법 및 그 장치
EP1443776B1 (en) * 2003-01-29 2012-08-15 Sony Deutschland GmbH Video signal processing system
GB2402288B (en) * 2003-05-01 2005-12-28 Imagination Tech Ltd De-Interlacing of video data
US7565030B2 (en) 2003-06-26 2009-07-21 Fotonation Vision Limited Detecting orientation of digital images using face detection information
US7620218B2 (en) 2006-08-11 2009-11-17 Fotonation Ireland Limited Real-time face tracking with reference images
US8989453B2 (en) 2003-06-26 2015-03-24 Fotonation Limited Digital image processing using face detection information
US8155397B2 (en) 2007-09-26 2012-04-10 DigitalOptics Corporation Europe Limited Face tracking in a camera processor
US9692964B2 (en) 2003-06-26 2017-06-27 Fotonation Limited Modification of post-viewing parameters for digital images using image region or feature information
US7269292B2 (en) 2003-06-26 2007-09-11 Fotonation Vision Limited Digital image adjustable compression and resolution using face detection information
US9129381B2 (en) 2003-06-26 2015-09-08 Fotonation Limited Modification of post-viewing parameters for digital images using image region or feature information
US8494286B2 (en) 2008-02-05 2013-07-23 DigitalOptics Corporation Europe Limited Face detection in mid-shot digital images
US7616233B2 (en) * 2003-06-26 2009-11-10 Fotonation Vision Limited Perfecting of digital image capture parameters within acquisition devices using face detection
US8682097B2 (en) 2006-02-14 2014-03-25 DigitalOptics Corporation Europe Limited Digital image enhancement with reference images
US8593542B2 (en) 2005-12-27 2013-11-26 DigitalOptics Corporation Europe Limited Foreground/background separation using reference images
US7792970B2 (en) 2005-06-17 2010-09-07 Fotonation Vision Limited Method for establishing a paired connection between media devices
US7471846B2 (en) 2003-06-26 2008-12-30 Fotonation Vision Limited Perfecting the effect of flash within an image acquisition devices using face detection
US7844076B2 (en) 2003-06-26 2010-11-30 Fotonation Vision Limited Digital image processing using face detection and skin tone information
US8330831B2 (en) 2003-08-05 2012-12-11 DigitalOptics Corporation Europe Limited Method of gathering visual meta data using a reference image
US7574016B2 (en) 2003-06-26 2009-08-11 Fotonation Vision Limited Digital image processing using face detection information
US7440593B1 (en) 2003-06-26 2008-10-21 Fotonation Vision Limited Method of improving orientation and color balance of digital images using face detection information
US8498452B2 (en) 2003-06-26 2013-07-30 DigitalOptics Corporation Europe Limited Digital image processing using face detection information
US8948468B2 (en) 2003-06-26 2015-02-03 Fotonation Limited Modification of viewing parameters for digital images using face detection information
US8896725B2 (en) 2007-06-21 2014-11-25 Fotonation Limited Image capture device with contemporaneous reference image capture mechanism
AU2003258084A1 (en) * 2003-08-04 2005-03-07 Grass Valley (U.S.) Inc. Apparatus and method for reducing noise in an image
JP4003713B2 (ja) * 2003-08-06 2007-11-07 ソニー株式会社 画像処理装置および画像処理方法
US7345708B2 (en) * 2003-12-23 2008-03-18 Lsi Logic Corporation Method and apparatus for video deinterlacing and format conversion
CN1998227A (zh) * 2004-08-10 2007-07-11 汤姆逊许可公司 用于指示视频中运动的检测度的设备和方法
US8320641B2 (en) * 2004-10-28 2012-11-27 DigitalOptics Corporation Europe Limited Method and apparatus for red-eye detection using preview or other reference images
US8503800B2 (en) 2007-03-05 2013-08-06 DigitalOptics Corporation Europe Limited Illumination detection using classifier chains
US7315631B1 (en) 2006-08-11 2008-01-01 Fotonation Vision Limited Real-time face tracking in a digital image acquisition device
US7362378B2 (en) 2005-01-10 2008-04-22 Matsushita Electric Industrial Co., Ltd. Method of edge based pixel location and interpolation
US7542095B2 (en) * 2005-01-20 2009-06-02 Samsung Electronics Co., Ltd. Method and system of noise-adaptive motion detection in an interlaced video sequence
US7403234B2 (en) * 2005-05-02 2008-07-22 Samsung Electronics Co., Ltd. Method for detecting bisection pattern in deinterlacing
US7522214B1 (en) 2005-06-27 2009-04-21 Magnum Semiconductor, Inc. Circuits and methods for deinterlacing video display data and systems using the same
US7450184B1 (en) 2005-06-27 2008-11-11 Magnum Semiconductor, Inc. Circuits and methods for detecting 2:2 encoded video and systems utilizing the same
US7414671B1 (en) * 2005-06-30 2008-08-19 Magnum Semiconductor, Inc. Systems and methods for display object edge detection and pixel data interpolation in video processing systems
US7538824B1 (en) 2005-08-18 2009-05-26 Magnum Semiconductor, Inc. Systems and methods for reducing noise during video deinterlacing
KR100843083B1 (ko) * 2005-12-14 2008-07-02 삼성전자주식회사 움직임 추정 기반 프레임 보간을 위한 장치 및 방법
ATE497218T1 (de) 2006-06-12 2011-02-15 Tessera Tech Ireland Ltd Fortschritte bei der erweiterung der aam- techniken aus grauskalen- zu farbbildern
US7403643B2 (en) 2006-08-11 2008-07-22 Fotonation Vision Limited Real-time face tracking in a digital image acquisition device
US7916897B2 (en) 2006-08-11 2011-03-29 Tessera Technologies Ireland Limited Face tracking for controlling imaging parameters
GB2444534A (en) * 2006-12-06 2008-06-11 Sony Uk Ltd Assessing the reliability of motion information in motion adaptive image processing
US8115866B2 (en) * 2006-12-29 2012-02-14 Texas Instruments Incorporated Method for detecting film pulldown cadences
US8055067B2 (en) 2007-01-18 2011-11-08 DigitalOptics Corporation Europe Limited Color segmentation
TWI389568B (zh) 2007-01-26 2013-03-11 Mstar Semiconductor Inc 影像解交錯的方法及相關裝置
DE602008001607D1 (de) 2007-02-28 2010-08-05 Fotonation Vision Ltd Trennung der direktionalen beleuchtungsvariabilität in der statistischen gesichtsmodellierung auf basis von texturraumzerlegungen
JP4970557B2 (ja) 2007-03-05 2012-07-11 デジタルオプティックス・コーポレイション・ヨーロッパ・リミテッド デジタル画像取込装置における顔検索及び検出
US7916971B2 (en) 2007-05-24 2011-03-29 Tessera Technologies Ireland Limited Image processing method and apparatus
FR2925199A1 (fr) * 2007-12-13 2009-06-19 Thomson Licensing Sas Procede de generation de distances representatives d'orientations de contour dans une image video, dispositif correspondant et utilisation du procede pour le desentrelacement ou la conversion de format
TWI392114B (zh) * 2008-03-04 2013-04-01 Huga Optotech Inc 發光二極體及其形成方法
US7855737B2 (en) 2008-03-26 2010-12-21 Fotonation Ireland Limited Method of making a digital camera image of a scene including the camera user
CN106919911A (zh) 2008-07-30 2017-07-04 快图有限公司 使用脸部检测的自动脸部和皮肤修饰
US8049817B2 (en) * 2008-10-02 2011-11-01 Interra Systems Inc. Method and system for calculating interlace artifact in motion pictures
US8170370B2 (en) * 2008-12-04 2012-05-01 Cyberlink Corp. Method and apparatus of processing interlaced video data to generate output frame by blending deinterlaced frames
US8379917B2 (en) 2009-10-02 2013-02-19 DigitalOptics Corporation Europe Limited Face recognition performance using additional image features

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4513440A (en) * 1982-06-29 1985-04-23 Harris Corporation Hardware median filter
US4713786A (en) * 1985-02-15 1987-12-15 Harris Corporation Digital hardware selection filter
US4672567A (en) * 1985-02-19 1987-06-09 Allied Corporation Median filter for reducing data error in distance measuring equipment
US4672445A (en) * 1985-05-29 1987-06-09 Rca Corporation Progressive scan processor employing interpolation in luminance channel controlled by a motion signal and a vertical detail representative signal
GB2194364B (en) * 1986-08-20 1990-06-06 Gec Avionics A median filter
US5144568A (en) * 1987-05-26 1992-09-01 Sundstrand Corporation Fast median filter
JP2732650B2 (ja) * 1989-02-28 1998-03-30 株式会社東芝 垂直エッジ検出回路
GB2231460B (en) * 1989-05-04 1993-06-30 Sony Corp Spatial interpolation of digital video signals
GB8920490D0 (en) * 1989-09-11 1989-10-25 Indep Broadcasting Authority Improvements in or relating to adaptive video signal converters
US5166788A (en) * 1990-06-29 1992-11-24 Samsung Electronics Co., Ltd. Motion signal processor
KR930009880B1 (ko) * 1990-11-19 1993-10-12 삼성전자 주식회사 동신호 검출회로
FI89995C (fi) * 1991-12-31 1993-12-10 Salon Televisiotehdas Oy Foerfarande foer randadaptiv interpolation av en tv-bilds linje samt en interpolator
DE4211955A1 (de) * 1992-04-09 1993-10-14 Thomson Brandt Gmbh Verfahren und Vorrichtung für eine interlace-progressiv-Wandlung
US5384865A (en) * 1992-06-01 1995-01-24 Eastman Kodak Company Adaptive, hybrid median filter for temporal noise suppression
KR0151410B1 (ko) * 1992-07-03 1998-10-15 강진구 영상신호의 운동벡터 검출방법
US5412436A (en) * 1993-04-22 1995-05-02 Thomson Consumer Electronics, Inc. Motion adaptive video processing system

Also Published As

Publication number Publication date
DE69519398D1 (de) 2000-12-21
CA2146884A1 (en) 1995-10-15
KR100424600B1 (ko) 2004-06-23
TW326612B (en) 1998-02-11
JP2008136227A (ja) 2008-06-12
CN1087892C (zh) 2002-07-17
US5638139A (en) 1997-06-10
JPH0884321A (ja) 1996-03-26
DE69519398T2 (de) 2001-05-17
TW348358B (en) 1998-12-21
CN1114813A (zh) 1996-01-10
EP0677958B1 (en) 2000-11-15
TW348356B (en) 1998-12-21
EP0677958A2 (en) 1995-10-18
KR950035448A (ko) 1995-12-30
US5519451A (en) 1996-05-21
EP0677958A3 (en) 1996-01-17
US5592231A (en) 1997-01-07

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