ES2041816T3 - Procedimiento de interpolacion temporal de imagenes y dispositivo para la realizacion de dicho procedimiento. - Google Patents

Procedimiento de interpolacion temporal de imagenes y dispositivo para la realizacion de dicho procedimiento.

Info

Publication number
ES2041816T3
ES2041816T3 ES198888401315T ES88401315T ES2041816T3 ES 2041816 T3 ES2041816 T3 ES 2041816T3 ES 198888401315 T ES198888401315 T ES 198888401315T ES 88401315 T ES88401315 T ES 88401315T ES 2041816 T3 ES2041816 T3 ES 2041816T3
Authority
ES
Spain
Prior art keywords
pixel
images
interpolated
velocity vector
father
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
ES198888401315T
Other languages
English (en)
Inventor
Philippe Robert
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.)
Thomson Grand Public
Original Assignee
Thomson Grand Public
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 Thomson Grand Public filed Critical Thomson Grand Public
Application granted granted Critical
Publication of ES2041816T3 publication Critical patent/ES2041816T3/es
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
    • H04N7/014—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Systems (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Image Processing (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

EL INVENTO TRATA DE UN PROCEDIMIENTO QUE PERMITE RECONSTRUIR LOS VALORES DE LUMINANCIA DE UNA TRAMA (TJ) A PARTIR DE LOS VALORES DE LUMINANCIA DE LOS PIXELES DE DOS TRAMAS CONOCIDAS (TA,TB). CONSISTE ESENCIALMENTE EN : ESTIMAR UN VECTOR VELOCIDAD (V ) PARA CADA PIXEL (G) DE UNA UNICA TRAMA (TI) CORRESPONDIENDO EN UN INSTANTE TI COMPRENDIDO ENTRE TA Y TB O SIENDO TA O TB. - DETERMINAR SUCESIVAMENTE PARA CADA PIXEL (G) DE ESTA IMAGEN (TI), DICHO PIXEL PADRE, LAS COORDENADAS DEL CENTRO (FJ) DE UN PIXEL A INTERPOLAR (H), DICHO PIXEL HIJO QUE CORRESPONDE AL CENTRO (CI) DEL PIXEL PADRE POR UNA TRASLACION CUYO VECTOR ES FUNCION DEL VECTOR VELOCIDAD (V) DEL PIXEL PADRE, MULTIPLICADO POR LA DURACION TI-TJ; -ASOCIAR SUCESIVAMENTE A CADA PIXEL A INTERPOLAR (H) UN VECTOR VELOCIDAD QUE ESTA CONSTITUIDO POR EL VECTOR VELOCIDAD (V) DE SU PIXEL PADRE (G); DETERMINAR EN LAS DOS TRAMAS CONOCIDAS (TA,TB) LAS COORDENADAS TRAS LA LUMINANCIA DE DOS PUNTOS (A,B0 CORRESPONDIENTES AL CENTRO (FJ) DEL PIXEL A INTERPOLAR (H), POR UNA TRASLACION EN EL PLANO DE UNA DE LAS IMAGENES CONOCIDAS (TA,TB), TRASLACION CUYO VECTOR ES FUNCION DEL VECTOR VELOCIDAD ASOCIADA AL PIXEL A INTERPOLAR, MULTIPLICADA RESPECTIVAMENTE POR LAS DURACIONES TJTA Y TB- TJ; - DETERMINAR UN VALOR DE LUMINANCIA PARA EL PIXEL A INTERPOLAR (H), CALCULANDO UNA COMBINACION LINEAL DE LOS VALORES DE LUMINANCIA DE ESTOS DOS PUNTOS (A,B). SE APLICA A LOS CAMBIOS DE NORMA DE LAS IMAGENES DE TELEVISION Y EN LA RECOMBINACION DE IMAGENES QUE FALTAN EN UNA TRANSMISION DE IMAGENES CON BAJO FLUJO CON SUPRESION DE CIERTAS IMAGENES.
ES198888401315T 1987-06-04 1988-05-31 Procedimiento de interpolacion temporal de imagenes y dispositivo para la realizacion de dicho procedimiento. Expired - Lifetime ES2041816T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8707814A FR2616248B1 (fr) 1987-06-04 1987-06-04 Procede d'interpolation temporelle d'images et dispositif pour la mise en oeuvre de ce procede

Publications (1)

Publication Number Publication Date
ES2041816T3 true ES2041816T3 (es) 1993-12-01

Family

ID=9351724

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888401315T Expired - Lifetime ES2041816T3 (es) 1987-06-04 1988-05-31 Procedimiento de interpolacion temporal de imagenes y dispositivo para la realizacion de dicho procedimiento.

Country Status (7)

Country Link
EP (2) EP0315673A1 (es)
JP (1) JP3161467B2 (es)
AT (1) ATE91580T1 (es)
DE (1) DE3882285T2 (es)
ES (1) ES2041816T3 (es)
FR (1) FR2616248B1 (es)
WO (1) WO1988010046A1 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2645383B1 (fr) * 1989-03-31 1997-06-27 Thomson Consumer Electronics Procede et dispositif d'interpolation temporelle d'images, a compensation de mouvement corrigee
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.
FR2673795B1 (fr) * 1991-03-05 1993-05-07 Thomson Csf Procede et dispositif d'interpolation adapte de signaux sous-bandes pour le codage compatible inter-image de signaux de television.
CA2087946A1 (en) * 1991-05-24 1992-11-25 Michael Burl Video image processing
FR2702915B1 (fr) * 1993-03-16 1995-04-21 Thomson Csf Procédé de conversion de l'information de mouvement, entre deux fréquences temporelles, dans un réseau de transmission d'images animées .
DE4407101A1 (de) * 1994-03-03 1995-09-14 Siemens Ag Verfahren zur Formatkonversion von in einem ersten Bildpunktraster vorliegenden Bildsequenzen in ein zweites Bildpunktraster
GB2311183A (en) * 1996-03-13 1997-09-17 Innovision Plc Gradient based motion estimation
FR2773038B1 (fr) * 1997-12-24 2000-02-25 Thomson Multimedia Sa Procede et dispositif d'interpolation d'images a partir de donnees video codees mpeg
GB2350005B (en) * 1999-03-17 2003-01-08 Canon Kk Image processing apparatus
US8374465B2 (en) 2002-02-28 2013-02-12 Entropic Communications, Inc. Method and apparatus for field rate up-conversion

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3144050C2 (de) * 1981-11-03 1983-09-29 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5000 Köln Verfahren zur Übertragung und Wiedergabe von Videoszenen, insbesondere Luftbildszenen, mit reduzierter Bildfolgefrequenz
JPS6126382A (ja) * 1984-07-17 1986-02-05 Kokusai Denshin Denwa Co Ltd <Kdd> 動き量を用いた動画像フレ−ムレ−ト変換方式
GB2165417B (en) * 1984-09-07 1988-02-10 British Broadcasting Corp Measurement and correction of film unsteadiness in a video signal

Also Published As

Publication number Publication date
FR2616248B1 (fr) 1992-04-24
DE3882285T2 (de) 1993-10-28
WO1988010046A1 (fr) 1988-12-15
FR2616248A1 (fr) 1988-12-09
JP3161467B2 (ja) 2001-04-25
EP0294282A1 (fr) 1988-12-07
EP0294282B1 (fr) 1993-07-14
DE3882285D1 (de) 1993-08-19
JPH01503830A (ja) 1989-12-21
EP0315673A1 (fr) 1989-05-17
ATE91580T1 (de) 1993-07-15

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