ES2616838T3 - Método para obtener e insertar en tiempo real un objeto virtual dentro de una escena virtual a partir de un objeto físico - Google Patents

Método para obtener e insertar en tiempo real un objeto virtual dentro de una escena virtual a partir de un objeto físico Download PDF

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Publication number
ES2616838T3
ES2616838T3 ES13818185.4T ES13818185T ES2616838T3 ES 2616838 T3 ES2616838 T3 ES 2616838T3 ES 13818185 T ES13818185 T ES 13818185T ES 2616838 T3 ES2616838 T3 ES 2616838T3
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Spain
Prior art keywords
virtual
physical
physical object
virtual object
camera
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Active
Application number
ES13818185.4T
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English (en)
Inventor
Rafael RODRIGUEZ GARCIA
Ricardo Montesa Andrés
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Brainstorm Multimedia SL
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Brainstorm Multimedia SL
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Publication of ES2616838T3 publication Critical patent/ES2616838T3/es
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/2224—Studio circuitry; Studio devices; Studio equipment related to virtual studio applications
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T19/00—Manipulating three-dimensional [3D] models or images for computer graphics
    • G06T19/006—Mixed reality
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/50—Depth or shape recovery
    • G06T7/536—Depth or shape recovery from perspective effects, e.g. by using vanishing points
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
    • G06T7/74—Determining position or orientation of objects or cameras using feature-based methods involving reference images or patches
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/2224—Studio circuitry; Studio devices; Studio equipment related to virtual studio applications
    • H04N5/2226—Determination of depth image, e.g. for foreground/background separation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10028—Range image; Depth image; 3D point clouds

Landscapes

  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Graphics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Processing Or Creating Images (AREA)
  • Studio Devices (AREA)
  • Studio Circuits (AREA)

Abstract

Un método para obtener e insertar en tiempo real un objeto virtual dentro de una escena virtual a partir de un objeto físico, incluyendo realizar dinámicamente las acciones siguientes: - capturar a partir de una cámara física una imagen de un objeto físico contra un fondo; - extraer una silueta de dicho objeto físico de la imagen capturada y mapear la imagen capturada sobre una geometría tridimensional obteniendo un objeto virtual; - incorporar dicho objeto virtual como un elemento más en la escena virtual; y - orientar dicho objeto virtual con respecto a una cámara virtual con el fin de evitar que dicho objeto virtual se presente de canto, caracterizado porque el método incluye además: - obtener y usar parámetros intrínsecos y extrínsecos de dicha cámara física y dicha imagen capturada del objeto físico para calcular una posición de dicho objeto físico, y determinar una posición de dicho objeto virtual calculando al menos las coordenadas del punto más bajo de dicha imagen capturada de dicho objeto físico contra dicho fondo; - colocar el objeto virtual en dicha posición calculada de dicho objeto físico dentro de la escena virtual y seleccionar un eje de rotación para orientar el objeto virtual con respecto a la cámara virtual en base a dicha posición calculada del objeto físico; y - proyectar de nuevo dicha imagen capturada sobre la geometría tridimensional usando dichos parámetros intrínsecos y extrínsecos de cámara física.

Description

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Claims (1)

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    imagen2
ES13818185.4T 2012-11-26 2013-11-25 Método para obtener e insertar en tiempo real un objeto virtual dentro de una escena virtual a partir de un objeto físico Active ES2616838T3 (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12007951.2A EP2736247A1 (en) 2012-11-26 2012-11-26 A method for obtaining a virtual object within a virtual studio from a real object
EP12007951 2012-11-26
PCT/EP2013/003546 WO2014079585A1 (en) 2012-11-26 2013-11-25 A method for obtaining and inserting in real time a virtual object within a virtual scene from a physical object

Publications (1)

Publication Number Publication Date
ES2616838T3 true ES2616838T3 (es) 2017-06-14

Family

ID=47355750

Family Applications (1)

Application Number Title Priority Date Filing Date
ES13818185.4T Active ES2616838T3 (es) 2012-11-26 2013-11-25 Método para obtener e insertar en tiempo real un objeto virtual dentro de una escena virtual a partir de un objeto físico

Country Status (5)

Country Link
US (1) US20150304531A1 (es)
EP (2) EP2736247A1 (es)
JP (1) JP2016504819A (es)
ES (1) ES2616838T3 (es)
WO (1) WO2014079585A1 (es)

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CN111325798B (zh) * 2018-12-13 2023-08-18 浙江宇视科技有限公司 相机模型纠正方法、装置、ar实现设备及可读存储介质
EP3902680B1 (en) 2018-12-24 2025-09-10 Landa Corporation Ltd. A digital printing system
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Also Published As

Publication number Publication date
WO2014079585A1 (en) 2014-05-30
WO2014079585A4 (en) 2014-07-17
EP2923484A1 (en) 2015-09-30
US20150304531A1 (en) 2015-10-22
EP2923484B1 (en) 2017-01-25
JP2016504819A (ja) 2016-02-12
EP2736247A1 (en) 2014-05-28

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