JPH08510880A - 動き補償された補間の方法及び装置 - Google Patents
動き補償された補間の方法及び装置Info
- Publication number
- JPH08510880A JPH08510880A JP7500245A JP50024595A JPH08510880A JP H08510880 A JPH08510880 A JP H08510880A JP 7500245 A JP7500245 A JP 7500245A JP 50024595 A JP50024595 A JP 50024595A JP H08510880 A JPH08510880 A JP H08510880A
- Authority
- JP
- Japan
- Prior art keywords
- pixel
- output
- switch matrix
- interpolation
- motion
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
- H04N19/43—Hardware specially adapted for motion estimation or compensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
- H04N7/122—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line
- H04N7/125—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal involving expansion and subsequent compression of a signal segment, e.g. a frame, a line the signal segment being a picture element
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/50—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding
- H04N19/503—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using predictive coding involving temporal prediction
- H04N19/51—Motion estimation or motion compensation
- H04N19/523—Motion estimation or motion compensation with sub-pixel accuracy
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
- H04N7/0152—High-definition television systems using spatial or temporal subsampling
- H04N7/0155—High-definition television systems using spatial or temporal subsampling using pixel blocks
- H04N7/0157—High-definition television systems using spatial or temporal subsampling using pixel blocks with motion estimation, e.g. involving the use of motion vectors
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1. 出力画素の値(80_1,80_2)は、現在の出力画素(80_1,8 0 2,I1,I2)の空間的及び/又は時間的場所(IP1−IP4)に関係 するウィンドウ(51,52,81−84)内にある入力画素の値(P,Q,R ,S)から補間され、 該ウィンドウのため必要とされる上記画素の値は、遅延手段(DHV,LD, T)とスイッチマトリックス手段(SM)を用いることにより得られ、上記スイ ッチマトリックス手段の出力は、この時動きベクトル(Vx,Vy)に応答して 、該入力画素の値(P,Q,R,S)をこの時送り出すような該遅延手段に接続 されている動き補償された補間方法であって: 該スイッチマトリックス手段(SM)の各出力は少なくとも一つの更なる遅延 ユニット(PD)を通過すること、及び、上記スイッチマトリックス手段の該出 力及び該遅延ユニットの出力は該出力画素の値(80 1,80 2)を補間( INT)するための拡大したウィンドウを形成するため使用されることを特徴と する方法。 2. 該出力画素(80 1,80 2)はサンプルグリッドを形成し、該入力 画素は副サンプリングされた画素であることを特徴とする請求項1記載の方法。 3. 少なくとも二つの該出力画素の値(80 1,80 2)は並列に補間さ れ(INT)、上記出力画素の各々に対し(80 1;80 2)入力画素の値 の別々の組(P,Q,R,S;S,R,T,U)が必要とされ、一方、上記組の 一部は共通(R,S)の入力画素の値により構成されていることを特徴とする請 求項1又は2記載の方法。 4. 該補間(INT)はフィールド(40_A,40_C)に基づいて実行さ れることを特徴とする請求項1乃至3のうちいずれか1項記載の方法。 5. 該動き補償された補間は表示レートのアップコンバージョンに使用される 請求項1乃至4のうちいずれか1項記載の方法。 6. 該動き補償された補間はHDMAC式復号器において実行され、該スイッ チマトリックス(SM)は奇数フィールド内の零ベクトル(Vx=0,Vy=0 )で動作することを特徴とする請求項1乃至5のうちいずれか1項記載の方法。 7. 該動き補償された補間は垂直ベクトル成分(Vy)が大きい場合に修正さ れることを特徴とする請求項1乃至6のうちいずれか1項記載の方法。 8. 出力画素の値(80 1,80 2)は、現在の出力画素(80 1,8 0 2,I1,I2)の空間的及び/又は時間的場所(IP1−IP4)に関係 するウィンドウ(51,52,81−84)内にある入力画素の値(P,Q,R ,S)から補間される動き補償された補間装置であって: −該ウィンドウに必要とされる上記画素の値が得られる遅延手段(DHV,LD ,T)と; −出力がこの時動きベクトル(Vx,Vy)に応答して、該入力画素の値(P, Q,R,S)をこの時送り出すような該遅延手段に接続されたスイッチマトリッ クス手段と; −各スイッチマトリックス手段(SM)の出力(P,Q,R,S,T,U)にあ り、上記スイッチマトリックス手段の各出力が通過する少なくとも一つの遅延ユ ニット(PD)であって、上記スイッチ マトリックス手段の該出力と、該遅延ユニットの上記出力は拡大されたウィンド ウを形成するため使用される遅延ユニットと; −該遅延ユニットの次にあり該出力画素の値(80_1,80_2)を補間する 補間手段(INT)とからなる、請求項1乃至7のうちいずれか1項記載の方法 を実施するディジタルビデオ信号の動き補償された補間装置。 9. TV受像機、特に、HDMAC式又はMPEG式受像機、或いは、ディジ タルビデオカセットレコーダーのHDMAC式又はMPEG式復号化器であるこ とを特徴とする請求項8記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP93401393 | 1993-06-01 | ||
EP93401393.9 | 1993-06-01 | ||
PCT/EP1994/001750 WO1994028677A1 (en) | 1993-06-01 | 1994-05-28 | Method and apparatus for motion compensated interpolation |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH08510880A true JPH08510880A (ja) | 1996-11-12 |
Family
ID=8214714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7500245A Pending JPH08510880A (ja) | 1993-06-01 | 1994-05-28 | 動き補償された補間の方法及び装置 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5844616A (ja) |
EP (1) | EP0701760B1 (ja) |
JP (1) | JPH08510880A (ja) |
KR (1) | KR100318786B1 (ja) |
CN (1) | CN1052840C (ja) |
DE (1) | DE69405740T2 (ja) |
WO (1) | WO1994028677A1 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI97096C (fi) * | 1994-09-13 | 1996-10-10 | Nokia Mobile Phones Ltd | Videonkompressiomenetelmä |
KR0151210B1 (ko) * | 1994-09-23 | 1998-10-15 | 구자홍 | 엠펙2를 수용하는 반화소 움직임 보상조절장치 |
US5973755A (en) | 1997-04-04 | 1999-10-26 | Microsoft Corporation | Video encoder and decoder using bilinear motion compensation and lapped orthogonal transforms |
US6229570B1 (en) * | 1998-09-25 | 2001-05-08 | Lucent Technologies Inc. | Motion compensation image interpolation—frame rate conversion for HDTV |
US6618439B1 (en) | 1999-07-06 | 2003-09-09 | Industrial Technology Research Institute | Fast motion-compensated video frame interpolator |
US6968008B1 (en) | 1999-07-27 | 2005-11-22 | Sharp Laboratories Of America, Inc. | Methods for motion estimation with adaptive motion accuracy |
US6625333B1 (en) * | 1999-08-06 | 2003-09-23 | Her Majesty The Queen In Right Of Canada As Represented By The Minister Of Industry Through Communications Research Centre | Method for temporal interpolation of an image sequence using object-based image analysis |
US6950469B2 (en) * | 2001-09-17 | 2005-09-27 | Nokia Corporation | Method for sub-pixel value interpolation |
US7271840B2 (en) * | 2001-10-31 | 2007-09-18 | Intel Corporation | Method for determining entropy of a pixel of a real time streaming digital video image signal, and applications thereof |
US8284844B2 (en) | 2002-04-01 | 2012-10-09 | Broadcom Corporation | Video decoding system supporting multiple standards |
CN1319374C (zh) * | 2003-05-26 | 2007-05-30 | 矽统科技股份有限公司 | 临界值可调的动态图像像素检测方法 |
CN1324899C (zh) * | 2003-11-25 | 2007-07-04 | 瑞昱半导体股份有限公司 | 图像放大的方法 |
JP4310697B2 (ja) * | 2004-04-20 | 2009-08-12 | ソニー株式会社 | 信号処理装置および方法、記録媒体、並びにプログラム |
JP2007536817A (ja) * | 2004-05-04 | 2007-12-13 | クゥアルコム・インコーポレイテッド | 動作補償されたフレームレートアップコンバージョンのための方法および装置 |
WO2006007527A2 (en) * | 2004-07-01 | 2006-01-19 | Qualcomm Incorporated | Method and apparatus for using frame rate up conversion techniques in scalable video coding |
AU2005267171A1 (en) | 2004-07-20 | 2006-02-02 | Qualcomm Incorporated | Method and apparatus for encoder assisted-frame rate up conversion (EA-FRUC) for video compression |
US8553776B2 (en) * | 2004-07-21 | 2013-10-08 | QUALCOMM Inorporated | Method and apparatus for motion vector assignment |
JP4736456B2 (ja) * | 2005-02-15 | 2011-07-27 | 株式会社日立製作所 | 走査線補間装置、映像表示装置、映像信号処理装置 |
CN100366050C (zh) * | 2005-03-11 | 2008-01-30 | 华亚微电子(上海)有限公司 | 一种图像缩放方法及图像缩放器系统 |
JP2007122232A (ja) * | 2005-10-26 | 2007-05-17 | Casio Comput Co Ltd | 画像処理装置及びプログラム |
CN100386797C (zh) * | 2005-11-03 | 2008-05-07 | 西安交通大学 | 一种利于实现数字视频图像缩放插值的行场信号产生方法 |
US20070230564A1 (en) * | 2006-03-29 | 2007-10-04 | Qualcomm Incorporated | Video processing with scalability |
US8750387B2 (en) * | 2006-04-04 | 2014-06-10 | Qualcomm Incorporated | Adaptive encoder-assisted frame rate up conversion |
US8634463B2 (en) * | 2006-04-04 | 2014-01-21 | Qualcomm Incorporated | Apparatus and method of enhanced frame interpolation in video compression |
JP5040393B2 (ja) * | 2007-03-23 | 2012-10-03 | ソニー株式会社 | 画像処理装置および画像処理方法、プログラム、並びに画像表示装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2140644B (en) * | 1983-05-17 | 1986-09-17 | Sony Corp | Television standards converters |
US4654876A (en) * | 1984-12-19 | 1987-03-31 | Itek Corporation | Digital image motion correction method |
FR2633136B1 (fr) * | 1988-06-16 | 1991-10-11 | France Etat | Procede et installation de diffusion de programmes de television haute definition compatible |
EP0393906B1 (en) * | 1989-04-21 | 1994-01-19 | Sony Corporation | Video signal interpolation |
FR2652973B1 (fr) * | 1989-10-06 | 1993-12-24 | Laboratoire Europ Recherc Electr | Interpolateur pour televiseur et televiseur comportant un tel interpolateur. |
FR2653629B1 (fr) * | 1989-10-20 | 1995-07-07 | Europ Rech Electr Lab | Dispositif de compensation de mouvement et recepteur de television comportant un tel dispositif. |
FR2654566A1 (fr) * | 1989-11-14 | 1991-05-17 | Philips Laboratoires Electroni | Dispositif de decodage ameliore de signaux de television de type hd-mac. |
WO1991012691A2 (en) * | 1990-02-09 | 1991-08-22 | N.V. Philips' Gloeilampenfabrieken | Hd-mac television decoder |
-
1994
- 1994-05-28 JP JP7500245A patent/JPH08510880A/ja active Pending
- 1994-05-28 DE DE69405740T patent/DE69405740T2/de not_active Expired - Lifetime
- 1994-05-28 US US08/535,111 patent/US5844616A/en not_active Expired - Lifetime
- 1994-05-28 WO PCT/EP1994/001750 patent/WO1994028677A1/en active IP Right Grant
- 1994-05-28 EP EP94932159A patent/EP0701760B1/en not_active Expired - Lifetime
- 1994-05-28 KR KR1019950705381A patent/KR100318786B1/ko not_active IP Right Cessation
- 1994-05-28 CN CN94192328A patent/CN1052840C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR100318786B1 (ko) | 2002-04-22 |
DE69405740T2 (de) | 1998-02-12 |
CN1052840C (zh) | 2000-05-24 |
CN1125030A (zh) | 1996-06-19 |
KR960702712A (ko) | 1996-04-27 |
US5844616A (en) | 1998-12-01 |
EP0701760B1 (en) | 1997-09-17 |
WO1994028677A1 (en) | 1994-12-08 |
DE69405740D1 (de) | 1997-10-23 |
EP0701760A1 (en) | 1996-03-20 |
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