ES2043846T3 - Metodo y aparato para determinar la distancia entre un parche superficial de una escena espacial tridimensional y un sistema de camara. - Google Patents

Metodo y aparato para determinar la distancia entre un parche superficial de una escena espacial tridimensional y un sistema de camara.

Info

Publication number
ES2043846T3
ES2043846T3 ES88310672T ES88310672T ES2043846T3 ES 2043846 T3 ES2043846 T3 ES 2043846T3 ES 88310672 T ES88310672 T ES 88310672T ES 88310672 T ES88310672 T ES 88310672T ES 2043846 T3 ES2043846 T3 ES 2043846T3
Authority
ES
Spain
Prior art keywords
parameters
camera
distance
camera system
scene
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
ES88310672T
Other languages
English (en)
Inventor
Muralidhara Subbarao
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.)
Research Foundation of State University of New York
Original Assignee
Research Foundation of State University of New York
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 Research Foundation of State University of New York filed Critical Research Foundation of State University of New York
Application granted granted Critical
Publication of ES2043846T3 publication Critical patent/ES2043846T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C3/00—Measuring distances in line of sight; Optical rangefinders
    • G01C3/02—Details
    • G01C3/06—Use of electric means to obtain final indication
    • G01C3/08—Use of electric radiation detectors
    • G01C3/085—Use of electric radiation detectors with electronic parallax measurement

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Processing (AREA)
  • Image Generation (AREA)
  • Measurement Of Optical Distance (AREA)
  • Automatic Focus Adjustment (AREA)
  • Image Analysis (AREA)

Abstract

EL PRESENTE INVENTO SE REFIERE A UN METODO PARA LA DETERMINACION DE LA DISTANCIA ENTRE UN TRAMO DE SUPERFICIE DE UN ESCENARIO ESPACIAL TRIDIMENSIONAL Y UNA CAMARA (1). LA DISTANCIA DEL TRAMO SE DETERMINA SOBRE LA BASE DE AL MENOS UN PAR DE IMAGENES, CADA UNA DE LAS CUALES SE FORMA UTILIZANDO UNA CAMARA (1) CON UN CAMBIO FINITO O INFINITESIMAL EN EL VALOR DE AL MENOS UN PARAMETRO DE LA CAMARA. UNA PRIMERA Y UNA SEGUNDA IMAGENES DEL ESCENARIO TRIDIMENSIONAL SE FORMAN UTILIZANDO LA CAMARA, CARACTERIZADA POR UN PRIMER Y UN SEGUNDO GRUPOS DE PARAMETROS DE CAMARA, Y UNA FUNCION DE DISTRIBUCION PUNTUAL, RESPECTIVAMENTE, TENIENDO EL PRIMER Y EL SEGUNDO GRUPOS DE PARAMETROS DE CAMARA AL MENOS UN VALOR DE PARAMETRO DIFERENTE. UNA PRIMERA Y UNA SEGUNDA SUBIMAGENES SE SELECCIONAN A PARTIR DE LA PRIMERA Y LA SEGUNDA IMAGENES ASI FORMADAS, CORRESPONDIENDO LAS SUBIMAGENES AL TRAMO DE SUPERFICIE DEL ESCENARIO TRIDIMENSIONAL CUYA DISTANCIA A LA CAMARA HAY QUE DETERMINAR. A PARTIR DE LA PRIMERA Y SEGUNDA SUBIMAGENES, SE OBTIENE UN PRIMER CONSTREÑIMIENTO ENTRE LOS PARAMETROS DE DISTRIBUCION DE LA FUNCION DE DISTRIBUCION PUNTUAL CORRESPONDIENTE A LA PRIMERA Y SEGUNDA SUBIMAGENES. SOBRE LA BASE DE LOS VALORES DE LOS PARAMETROS DE LA CAMARA, SE OBTIENE UN SEGUNDO CONSTREÑIMIENTO ENTRE LOS PARAMETROS DE DISTRIBUCION DE LA FUNCION DE DISTRIBUCION PUNTUAL CORRESPONDIENTE A LA PRIMERA Y SEGUNDA SUBIMAGENES. LOS PARAMETROS DE DISTRIBUCION SE DETERMINAN ENTONCES UTILIZANDO EL PRIMER Y EL SEGUNDO CONSTREÑIMIENTOS. LA DISTANCIA ENTRE LA CAMARA Y LA SUPERFICIE EN EL ESCENARIO TRIDIMENSIONAL SE DETERMINA SOBRE LA BASE DE AL MENOS UNO DE LOS PARAMETROS DE DISTRIBUCION Y EL PRIMER Y SEGUNDO GRUPOS DE PARAMETROS DE CAMARA. UTILIZANDO EL PRESENTE METODO DE DETERMINACION DE DISTANCIA, SE OBTIENEN MAPAS DE PROFUNDIDAD DE LA ESCENA EN TIEMPO REAL MEDIANTE ORDENADOR. ADEMAS, EL PRESENTE METODO SE UTILIZA PARA ENFOCAR AUTOMATICAMENTE LA CAMARA Y GENERAR IMAGENES DE FOCO MEJORADO.
ES88310672T 1987-11-27 1988-11-11 Metodo y aparato para determinar la distancia entre un parche superficial de una escena espacial tridimensional y un sistema de camara. Expired - Lifetime ES2043846T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/126,407 US4965840A (en) 1987-11-27 1987-11-27 Method and apparatus for determining the distances between surface-patches of a three-dimensional spatial scene and a camera system

Publications (1)

Publication Number Publication Date
ES2043846T3 true ES2043846T3 (es) 1994-01-01

Family

ID=22424652

Family Applications (1)

Application Number Title Priority Date Filing Date
ES88310672T Expired - Lifetime ES2043846T3 (es) 1987-11-27 1988-11-11 Metodo y aparato para determinar la distancia entre un parche superficial de una escena espacial tridimensional y un sistema de camara.

Country Status (6)

Country Link
US (1) US4965840A (es)
EP (1) EP0318188B1 (es)
JP (1) JP2756803B2 (es)
AT (1) ATE89407T1 (es)
DE (1) DE3880975T2 (es)
ES (1) ES2043846T3 (es)

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Also Published As

Publication number Publication date
DE3880975D1 (de) 1993-06-17
JPH01167610A (ja) 1989-07-03
EP0318188A3 (en) 1991-03-27
ATE89407T1 (de) 1993-05-15
EP0318188A2 (en) 1989-05-31
EP0318188B1 (en) 1993-05-12
JP2756803B2 (ja) 1998-05-25
US4965840A (en) 1990-10-23
DE3880975T2 (de) 1993-12-23

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