WO2002048965A1 - Detecteur d'angle d'image et appareil d'interpolation de lignes d'exploration - Google Patents

Detecteur d'angle d'image et appareil d'interpolation de lignes d'exploration Download PDF

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Publication number
WO2002048965A1
WO2002048965A1 PCT/JP2001/010805 JP0110805W WO0248965A1 WO 2002048965 A1 WO2002048965 A1 WO 2002048965A1 JP 0110805 W JP0110805 W JP 0110805W WO 0248965 A1 WO0248965 A1 WO 0248965A1
Authority
WO
WIPO (PCT)
Prior art keywords
angle
outputs
pattern
video signal
section
Prior art date
Application number
PCT/JP2001/010805
Other languages
English (en)
French (fr)
Inventor
Hideaki Kawamura
Mitsuhiro Kasahara
Tomoaki Daigi
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.
Priority to US10/181,954 priority Critical patent/US6924844B2/en
Priority to KR10-2002-7010585A priority patent/KR100537235B1/ko
Priority to EP01270862A priority patent/EP1343116B1/en
Publication of WO2002048965A1 publication Critical patent/WO2002048965A1/ja

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
    • H04N7/0135Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/60Analysis of geometric attributes
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00Image analysis
    • G06T7/70Determining position or orientation of objects or cameras
    • G06T7/73Determining position or orientation of objects or cameras using feature-based methods
    • G06T7/74Determining position or orientation of objects or cameras using feature-based methods involving reference images or patches
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00Indexing scheme for image analysis or image enhancement
    • G06T2207/10Image acquisition modality
    • G06T2207/10016Video; Image sequence
    • 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
    • H04N7/0135Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes
    • H04N7/0142Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes the interpolation being edge adaptive

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Geometry (AREA)
  • Image Analysis (AREA)
  • Television Systems (AREA)
  • Picture Signal Circuits (AREA)
  • Image Input (AREA)
  • Editing Of Facsimile Originals (AREA)
  • Image Processing (AREA)
PCT/JP2001/010805 2000-12-14 2001-12-10 Detecteur d'angle d'image et appareil d'interpolation de lignes d'exploration WO2002048965A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/181,954 US6924844B2 (en) 2000-12-14 2001-12-10 Image angle detector and scanning line interpolating apparatus
KR10-2002-7010585A KR100537235B1 (ko) 2000-12-14 2001-12-10 화상 각도 검출 장치 및 그것을 구비한 주사선 보간 장치
EP01270862A EP1343116B1 (en) 2000-12-14 2001-12-10 Image angle detector and scanning line interpolating apparatus

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2000380903 2000-12-14
JP2000-380903 2000-12-14
JP2001162241 2001-05-30
JP2001-162241 2001-05-30
JP2001-369291 2001-12-03
JP2001369291A JP4108969B2 (ja) 2000-12-14 2001-12-03 画像角度検出装置およびそれを備えた走査線補間装置

Publications (1)

Publication Number Publication Date
WO2002048965A1 true WO2002048965A1 (fr) 2002-06-20

Family

ID=27345446

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2001/010805 WO2002048965A1 (fr) 2000-12-14 2001-12-10 Detecteur d'angle d'image et appareil d'interpolation de lignes d'exploration

Country Status (8)

Country Link
US (1) US6924844B2 (ja)
EP (1) EP1343116B1 (ja)
JP (2) JP4108969B2 (ja)
KR (1) KR100537235B1 (ja)
CN (1) CN1269081C (ja)
MY (1) MY129347A (ja)
TW (1) TW558902B (ja)
WO (1) WO2002048965A1 (ja)

Cited By (2)

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US7474354B2 (en) 2002-05-07 2009-01-06 Panasonic Corporation Image angle detection device and scan line interpolation device having the same
US8169543B2 (en) 2007-03-16 2012-05-01 Fujitsu Limited Image conversion device and method for converting a field image into a frame image

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CN1310513C (zh) * 2002-08-19 2007-04-11 索尼株式会社 图像处理装置和方法、视频显示装置及记录信息重现装置
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
GB2402288B (en) * 2003-05-01 2005-12-28 Imagination Tech Ltd De-Interlacing of video data
US7362376B2 (en) * 2003-12-23 2008-04-22 Lsi Logic Corporation Method and apparatus for video deinterlacing and format conversion
GB2411784B (en) * 2004-03-02 2006-05-10 Imagination Tech Ltd Motion compensation deinterlacer protection
TWI253848B (en) * 2004-04-09 2006-04-21 Mstar Semiconductor Inc Pixel interpolation method and related pixel interpolation device
JP4358055B2 (ja) * 2004-07-21 2009-11-04 株式会社東芝 補間画素生成回路
JP2006148827A (ja) * 2004-11-25 2006-06-08 Oki Electric Ind Co Ltd 走査線補間装置、及び走査線補間方法
JP4851720B2 (ja) * 2005-02-24 2012-01-11 Necディスプレイソリューションズ株式会社 表示装置及びこれを用いた大型表示装置
US7403234B2 (en) * 2005-05-02 2008-07-22 Samsung Electronics Co., Ltd. Method for detecting bisection pattern in deinterlacing
JP2007060512A (ja) * 2005-08-26 2007-03-08 Pioneer Electronic Corp 走査線補間回路、該走査線補間回路に用いられる走査線補間方法、及び画像表示装置
JP4394064B2 (ja) * 2005-11-18 2010-01-06 富士通株式会社 傾きの検出方法および傾き検出装置並びに物体の位置制御方法および位置制御装置
JP5080783B2 (ja) * 2006-11-14 2012-11-21 パナソニック株式会社 走査線補間装置および走査線補間方法
JP4795929B2 (ja) * 2006-12-26 2011-10-19 富士通株式会社 補間方法を決定するプログラム、装置、および方法
JP4846644B2 (ja) * 2007-03-30 2011-12-28 株式会社東芝 映像信号補間装置および映像信号補間方法
JP2008252449A (ja) * 2007-03-30 2008-10-16 Toshiba Corp 画像伸張装置、映像表示装置および画像伸張方法
KR101580168B1 (ko) * 2008-12-30 2015-12-24 주식회사 동부하이텍 컬러 보간 장치
JP5169994B2 (ja) * 2009-05-27 2013-03-27 ソニー株式会社 画像処理装置、撮像装置及び画像処理方法
US8463035B2 (en) * 2009-05-28 2013-06-11 Gentex Corporation Digital image processing for calculating a missing color value
US9769430B1 (en) 2011-06-23 2017-09-19 Gentex Corporation Imager system with median filter and method thereof
US9041838B2 (en) 2012-02-14 2015-05-26 Gentex Corporation High dynamic range imager system
KR101545064B1 (ko) * 2013-12-20 2015-08-17 세종대학교산학협력단 타겟 픽셀의 픽셀값 추정 장치 및 그 방법
JP6654798B2 (ja) * 2014-11-10 2020-02-26 三星ディスプレイ株式會社Samsung Display Co.,Ltd. 画像処理装置、画像処理方法、およびプログラム
CN105611214A (zh) * 2016-02-21 2016-05-25 上海大学 一种基于多方向检测的线性插值场内去隔行方法

Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS6326782A (ja) * 1986-07-21 1988-02-04 Matsushita Electric Ind Co Ltd 2値文字パタ−ン拡大の平滑化処理方法
EP0790736A1 (en) * 1996-02-13 1997-08-20 STMicroelectronics S.r.l. Edge-oriented intra-field/inter-field interpolation filter for improved quality video appliances
JPH11146346A (ja) * 1997-11-13 1999-05-28 Matsushita Electric Ind Co Ltd 順次走査変換方法及び順次走査変換装置
JP2000253238A (ja) * 1999-03-01 2000-09-14 Mitsubishi Electric Corp 画像処理装置及び画像処理方法

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JPH02177683A (ja) * 1988-09-29 1990-07-10 Toshiba Corp 画素信号の相関判定および補間データ作成装置
JP2732644B2 (ja) 1989-02-13 1998-03-30 株式会社東芝 相関判定回路
JPH04364685A (ja) * 1991-06-12 1992-12-17 Toshiba Corp 走査線補間装置
JPH05153562A (ja) * 1991-12-02 1993-06-18 Matsushita Electric Ind Co Ltd 相関検出補間方法および装置
US5347599A (en) * 1991-06-14 1994-09-13 Matsushita Electric Industrial Co., Ltd. Adaptive interpolation method and apparatus using correlation detection
JPH05225321A (ja) * 1992-02-07 1993-09-03 Mitsubishi Electric Corp 画素補間装置
EP0529903B1 (en) * 1991-08-23 2000-01-12 Mitsubishi Denki Kabushiki Kaisha Pixel Interpolation Circuit and its Applications
JP2642261B2 (ja) 1991-09-09 1997-08-20 三菱電機株式会社 画素補間回路および応用装置
FI89995C (fi) * 1991-12-31 1993-12-10 Salon Televisiotehdas Oy Foerfarande foer randadaptiv interpolation av en tv-bilds linje samt en interpolator
DE4407101A1 (de) * 1994-03-03 1995-09-14 Siemens Ag Verfahren zur Formatkonversion von in einem ersten Bildpunktraster vorliegenden Bildsequenzen in ein zweites Bildpunktraster
JP3438032B2 (ja) * 1994-03-15 2003-08-18 松下電器産業株式会社 空間周波数適応補間方法および空間周波数適応補間装置
FI96559C (fi) * 1994-06-10 1996-07-10 Nokia Technology Gmbh Menetelmä reunan suunnan tunnistamiseksi lomitellussa televisiokuvassa
JP2996099B2 (ja) * 1994-07-19 1999-12-27 日本ビクター株式会社 走査線補間回路
JPH08163511A (ja) * 1994-12-09 1996-06-21 Matsushita Electric Ind Co Ltd 順次走査変換方法および順次走査変換装置
JPH0937214A (ja) 1995-07-14 1997-02-07 Matsushita Electric Ind Co Ltd 順次走査変換方法及び順次走査変換装置
US5886745A (en) * 1994-12-09 1999-03-23 Matsushita Electric Industrial Co., Ltd. Progressive scanning conversion apparatus
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
US6133957A (en) * 1997-10-14 2000-10-17 Faroudja Laboratories, Inc. Adaptive diagonal interpolation for image resolution enhancement
JPH11331773A (ja) * 1998-05-15 1999-11-30 Victor Co Of Japan Ltd 画像補間方法
US6731342B2 (en) * 2000-01-06 2004-05-04 Lg Electronics Inc. Deinterlacing apparatus and method using edge direction detection and pixel interplation
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326782A (ja) * 1986-07-21 1988-02-04 Matsushita Electric Ind Co Ltd 2値文字パタ−ン拡大の平滑化処理方法
EP0790736A1 (en) * 1996-02-13 1997-08-20 STMicroelectronics S.r.l. Edge-oriented intra-field/inter-field interpolation filter for improved quality video appliances
JPH11146346A (ja) * 1997-11-13 1999-05-28 Matsushita Electric Ind Co Ltd 順次走査変換方法及び順次走査変換装置
JP2000253238A (ja) * 1999-03-01 2000-09-14 Mitsubishi Electric Corp 画像処理装置及び画像処理方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7474354B2 (en) 2002-05-07 2009-01-06 Panasonic Corporation Image angle detection device and scan line interpolation device having the same
US8169543B2 (en) 2007-03-16 2012-05-01 Fujitsu Limited Image conversion device and method for converting a field image into a frame image

Also Published As

Publication number Publication date
CN1269081C (zh) 2006-08-09
JP2003052023A (ja) 2003-02-21
JP4108969B2 (ja) 2008-06-25
CN1401108A (zh) 2003-03-05
EP1343116B1 (en) 2012-05-02
TW558902B (en) 2003-10-21
KR20030005189A (ko) 2003-01-17
EP1343116A4 (en) 2007-08-22
JP2008182725A (ja) 2008-08-07
US20030011708A1 (en) 2003-01-16
EP1343116A1 (en) 2003-09-10
MY129347A (en) 2007-03-30
US6924844B2 (en) 2005-08-02
KR100537235B1 (ko) 2005-12-19

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