JPH10500831A - 動き補償された内挿 - Google Patents
動き補償された内挿Info
- Publication number
- JPH10500831A JPH10500831A JP8527413A JP52741396A JPH10500831A JP H10500831 A JPH10500831 A JP H10500831A JP 8527413 A JP8527413 A JP 8527413A JP 52741396 A JP52741396 A JP 52741396A JP H10500831 A JPH10500831 A JP H10500831A
- Authority
- JP
- Japan
- Prior art keywords
- motion vector
- motion
- image signal
- field
- compensated interpolation
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
-
- 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
- H04N7/0127—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter
- H04N7/0132—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level by changing the field or frame frequency of the incoming video signal, e.g. frame rate converter the field or frame frequency of the incoming video signal being multiplied by a positive integer, e.g. for flicker reduction
-
- 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
-
- 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
- H04N7/014—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving interpolation processes involving the use of motion vectors
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.入力フィールドを有する画像信号(Pi)の動き補償された内挿方法であっ て、該方法は: 前記画像信号(Pi)の第1および第2の入力フィールド間の動きベクトル (D)を供給し(ME);そして 前記動きベクトル(D)に依存して少なくとも1つの入力フィールドを基礎 として内挿されたフィールド(Po)を供給する(MC1,OC)する; のステップを含んでいる方法において: 各動きベクトル(D)に加えて、少なくとも1つの別の動きベクトル(Dma x)を供給する(C2) のステップを含んでいて;そこでは、前記内挿されたフィールド(Po)は、 前記最初に述べた動きベクトル(D)と前記別の動きベクトル(Dmax)の両方 に依存して供給される(MC1,MC2,OC) ことを特徴とする画像信号の動き補償された内挿方法。 2.請求項1記載の方法において、前記別の動きベクトル(Dmax)は、最初に 述べた動きベクトル(D)相当から異なってとられていることを特徴とする画像 信号の動き補償された内挿方法。 3.請求項2記載の方法において、前記別の動きベクトル(Dmax)は、最初に 述べた動きベクトル(D)が供給された画素の現時点のブロックと、それに隣接 する画素のブロックに対して決定された動きベクトルの組みの中から選択され、 そこでは、別の動きベクトル(Dmax)は現時点の動きベクトル(D)に対して 最大の違いを示していることを特徴とする画像信号の動き補償された内挿方法。 4.請求項1記載の方法において、画像の所定部分に相当する各動きベクトル( D)に加えて、前記最初に述べた動きベクトル(D)のグループからとられた最 小の動きベクトル(Dmin)、および前記画像の少なくとも1つの隣接する部分 に相当する少なくとも1つの動きベクトルを供給する(C1)ステップをさらに 含み、そこでは、前記内挿されたフィールド(Po)は、前記最初に述 べた動きベクトル(D)、前記別の動きベクトル(Dmax)、および前記最小の 動きベクトル(Dmin)に依存して供給される(M1,M2,MC1,MC2, OC)ことを特徴とする画像信号の動き補償された内挿方法。 5.請求項4記載の方法において、もし、前記最小の動きベクトル(Dmin)の 大きさが所定の閾値(Th)以下になるならば、画像の前記所定部分は前記最小 の動きベクトル(Dmin)だけに依存して内挿されることを特徴とする画像信号 の動き補償された内挿方法。 6.入力フィールドを有する画像信号(Pi)の動き補償された内挿のためのデ バイスであって、該デバイスは: 前記画像信号(Pi)の第1および第2の入力フィールド間の動きベクトル (D)を供給するための手段(ME);そして 前記動きベクトル(D)に依存して少なくとも1つの入力フィールドを基礎 として内挿されたフィールド(Po)を供給するための手段(MC1); を含んでいるものにおいて: 各動きベクトル(D)に加えて、少なくとも1つの別の動きベクトル(Dma x)を供給するための手段(C2) を含んでいて:そこでは、前記内挿されたフィールド(Po)は、前記最初に 述べた動きベクトル(D)と前記別の動きベクトル(Dmax)の両方に依存して 供給される(MC1,MC2,OC) ことを特徴とする画像信号の動き補償された内挿のためのデバイス。 7.画像信号表示装置において、該装置は: 入力フィールドを有する画像信号(Pi)を受信するための手段であって; 該手段は、前記入力フィールドに応じて内挿されたフィールド(Po)を供給 するための、請求項6記載のデバイス: インターリーブされた画像信号を得るために、前記入力フィールドと前記内 挿されたフィールド(Po)とをインターリーブするための手段(IL);およ び 前記インターリーブされた画像信号を表示するための手段 を含んでいることを特徴とする画像信号表示装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL95200604.7 | 1995-03-14 | ||
EP95200604 | 1995-03-14 | ||
PCT/IB1996/000128 WO1996028931A2 (en) | 1995-03-14 | 1996-02-15 | Motion-compensated interpolation |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10500831A true JPH10500831A (ja) | 1998-01-20 |
JP3916661B2 JP3916661B2 (ja) | 2007-05-16 |
Family
ID=8220086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52741396A Expired - Lifetime JP3916661B2 (ja) | 1995-03-14 | 1996-02-15 | 画像信号の動き補償内挿方法、そのための装置及び画像信号表示装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5777682A (ja) |
EP (1) | EP0765573B1 (ja) |
JP (1) | JP3916661B2 (ja) |
KR (1) | KR100410710B1 (ja) |
DE (1) | DE69602818T2 (ja) |
MY (1) | MY114297A (ja) |
WO (1) | WO1996028931A2 (ja) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001507552A (ja) | 1997-10-29 | 2001-06-05 | 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 | 隠れた/露出した像部分の動きベクトル予測及び検知 |
WO2000011863A1 (en) | 1998-08-21 | 2000-03-02 | Koninklijke Philips Electronics N.V. | Problem area location in an image signal |
US6243140B1 (en) * | 1998-08-24 | 2001-06-05 | Hitachi America, Ltd | Methods and apparatus for reducing the amount of buffer memory required for decoding MPEG data and for performing scan conversion |
US6094232A (en) * | 1998-11-25 | 2000-07-25 | Kabushiki Kaisha Toshiba | Method and system for interpolating a missing pixel using a motion vector |
WO2000072590A2 (en) * | 1999-05-20 | 2000-11-30 | Koninklijke Philips Electronics N.V. | Block matching |
US6618439B1 (en) | 1999-07-06 | 2003-09-09 | Industrial Technology Research Institute | Fast motion-compensated video frame interpolator |
JP4854159B2 (ja) * | 1999-11-26 | 2012-01-18 | エルジー エレクトロニクス インコーポレイティド | 画像を処理するユニット及びその方法 |
DE60127866T2 (de) * | 2001-01-16 | 2007-12-20 | Koninklijke Philips Electronics N.V. | Verringern von aura-artigen effekten bei der bewegungskompensierten interpolation |
KR100902315B1 (ko) * | 2002-07-25 | 2009-06-12 | 삼성전자주식회사 | 디인터레이싱장치 및 방법 |
KR20040009967A (ko) * | 2002-07-26 | 2004-01-31 | 삼성전자주식회사 | 디인터레이싱장치 및 방법 |
KR20040050577A (ko) * | 2002-12-10 | 2004-06-16 | 삼성전자주식회사 | 디인터레이싱 장치 및 방법 |
US7519230B2 (en) * | 2003-01-23 | 2009-04-14 | Nxp B.V. | Background motion vector detection |
US7974342B2 (en) * | 2003-07-08 | 2011-07-05 | Trident Microsystems (Far East) Ltd. | Motion-compensated image signal interpolation using a weighted median filter |
US20070092111A1 (en) * | 2003-09-17 | 2007-04-26 | Wittebrood Rimmert B | Motion vector field re-timing |
US7480334B2 (en) * | 2003-12-23 | 2009-01-20 | Genesis Microchip Inc. | Temporal motion vector filtering |
US7499494B2 (en) * | 2003-12-23 | 2009-03-03 | Genesis Microchip Inc. | Vector selection decision for pixel interpolation |
US7457438B2 (en) * | 2003-12-23 | 2008-11-25 | Genesis Microchip Inc. | Robust camera pan vector estimation using iterative center of mass |
US7346109B2 (en) * | 2003-12-23 | 2008-03-18 | Genesis Microchip Inc. | Motion vector computation for video sequences |
US7567294B2 (en) * | 2005-03-28 | 2009-07-28 | Intel Corporation | Gradient adaptive video de-interlacing |
DE102007015002A1 (de) | 2007-03-28 | 2008-10-02 | Micronas Gmbh | Iteratives Verfahren zur Interpolation von Bildinformationswerten |
US8126063B2 (en) * | 2007-06-21 | 2012-02-28 | Samsung Electronics Co., Ltd. | System and method for still object detection based on normalized cross correlation |
US8144247B2 (en) * | 2007-06-21 | 2012-03-27 | Samsung Electronics Co., Ltd. | Detection and interpolation of still objects in a video sequence |
US8565309B2 (en) | 2007-08-28 | 2013-10-22 | Surapong Lertrattanapanich | System and method for motion vector collection for motion compensated interpolation of digital video |
US8861603B2 (en) | 2007-08-28 | 2014-10-14 | Samsung Electronics Co., Ltd. | System and method for motion vector collection based on K-means clustering for motion compensated interpolation of digital video |
EP2188978A2 (en) | 2007-09-10 | 2010-05-26 | Nxp B.V. | Method and apparatus for line-based motion estimation in video image data |
US8213512B2 (en) * | 2008-05-28 | 2012-07-03 | Cyberlink Corp. | Determining an intermediate image |
EP2224740A1 (en) | 2009-02-27 | 2010-09-01 | Nxp B.V. | Detecting occlusion |
EP2224738A1 (en) | 2009-02-27 | 2010-09-01 | Nxp B.V. | Identifying occlusions |
CN101848318B (zh) * | 2009-03-26 | 2012-10-31 | 晨星软件研发(深圳)有限公司 | 影像处理的方法及电路 |
KR20110022133A (ko) * | 2009-08-27 | 2011-03-07 | 삼성전자주식회사 | 영상의 움직임 추정방법 및 영상처리장치 |
US20110075896A1 (en) * | 2009-09-25 | 2011-03-31 | Kazuhiko Matsumoto | Computer readable medium, systems and methods for medical image analysis using motion information |
US20110075888A1 (en) * | 2009-09-25 | 2011-03-31 | Kazuhiko Matsumoto | Computer readable medium, systems and methods for improving medical image quality using motion information |
US9691133B1 (en) * | 2013-12-16 | 2017-06-27 | Pixelworks, Inc. | Noise reduction with multi-frame super resolution |
US10134110B1 (en) * | 2015-04-01 | 2018-11-20 | Pixelworks, Inc. | Temporal stability for single frame super resolution |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2231226B (en) * | 1989-04-27 | 1993-09-22 | Sony Corp | Motion dependent video signal processing |
EP0475499B1 (en) * | 1990-09-03 | 1995-11-22 | Koninklijke Philips Electronics N.V. | Motion compensated frame rate conversion |
US5410356A (en) * | 1991-04-19 | 1995-04-25 | Matsushita Electric Industrial Co., Ltd. | Scanning-line interpolation apparatus |
US5467136A (en) * | 1991-05-31 | 1995-11-14 | Kabushiki Kaisha Toshiba | Video decoder for determining a motion vector from a scaled vector and a difference vector |
DE69315626T2 (de) * | 1992-05-15 | 1998-05-28 | Koninkl Philips Electronics Nv | Anordnung zum Interpolieren eines bewegungsausgeglichenen Bildsignals |
EP0574068B1 (en) * | 1992-06-11 | 1999-02-24 | Koninklijke Philips Electronics N.V. | Apparatus for motion-compensated picture signal interpolation |
US5510856A (en) * | 1994-12-30 | 1996-04-23 | Daewoo Electronics Co., Ltd. | Apparatus for determining motion vectors |
EP0720383B1 (en) * | 1994-12-30 | 2000-09-13 | Daewoo Electronics Co., Ltd | Method and apparatus for detecting motion vectors in a frame decimating video encoder |
-
1996
- 1996-02-15 DE DE69602818T patent/DE69602818T2/de not_active Expired - Lifetime
- 1996-02-15 JP JP52741396A patent/JP3916661B2/ja not_active Expired - Lifetime
- 1996-02-15 WO PCT/IB1996/000128 patent/WO1996028931A2/en active IP Right Grant
- 1996-02-15 EP EP96901474A patent/EP0765573B1/en not_active Expired - Lifetime
- 1996-02-15 KR KR1019960706434A patent/KR100410710B1/ko active IP Right Grant
- 1996-02-23 US US08/606,133 patent/US5777682A/en not_active Expired - Lifetime
- 1996-03-12 MY MYPI96000908A patent/MY114297A/en unknown
Also Published As
Publication number | Publication date |
---|---|
KR970703674A (ko) | 1997-07-03 |
EP0765573B1 (en) | 1999-06-09 |
JP3916661B2 (ja) | 2007-05-16 |
WO1996028931A3 (en) | 1996-11-07 |
MY114297A (en) | 2002-09-30 |
KR100410710B1 (ko) | 2004-03-31 |
DE69602818D1 (de) | 1999-07-15 |
EP0765573A2 (en) | 1997-04-02 |
US5777682A (en) | 1998-07-07 |
DE69602818T2 (de) | 1999-12-16 |
WO1996028931A2 (en) | 1996-09-19 |
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