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ES2495425T3 - Detección de vida - Google Patents

Detección de vida Download PDF

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Publication number
ES2495425T3
ES2495425T3 ES11305905.9T ES11305905T ES2495425T3 ES 2495425 T3 ES2495425 T3 ES 2495425T3 ES 11305905 T ES11305905 T ES 11305905T ES 2495425 T3 ES2495425 T3 ES 2495425T3
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Prior art keywords
images
face
life indicators
score
camera
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Alessio Cavallini
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Accenture Global Services Ltd
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Accenture Global Services Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/40Spoof detection, e.g. liveness detection
    • G06V40/45Detection of the body part being alive
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/22Matching criteria, e.g. proximity measures
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/25Fusion techniques
    • G06F18/253Fusion techniques of extracted features
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00Arrangements for image or video recognition or understanding
    • G06V10/70Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/77Processing image or video features in feature spaces; using data integration or data reduction, e.g. principal component analysis [PCA] or independent component analysis [ICA] or self-organising maps [SOM]; Blind source separation
    • G06V10/80Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
    • G06V10/806Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level of extracted features
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161Detection; Localisation; Normalisation
    • G06V40/167Detection; Localisation; Normalisation using comparisons between temporally consecutive images
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/168Feature extraction; Face representation
    • G06V40/171Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06VIMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16Human faces, e.g. facial parts, sketches or expressions
    • G06V40/172Classification, e.g. identification

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Data Mining & Analysis (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Evolutionary Computation (AREA)
  • Artificial Intelligence (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Human Computer Interaction (AREA)
  • Evolutionary Biology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Software Systems (AREA)
  • Databases & Information Systems (AREA)
  • Medical Informatics (AREA)
  • Collating Specific Patterns (AREA)
  • Image Analysis (AREA)
  • Studio Devices (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

Un método para verificar la presencia de una cara viva delante de una cámara (112), comprendiendo el método: capturar mediante dicha cámara una secuencia de imágenes de una cara; detectar una pluralidad de características de dicha cara en cada una de dichas imágenes; medir parámetros asociados con dichas características detectadas para determinar si cada uno de una pluralidad de indicadores de vida está presente en dichas imágenes; caracterizado por que el método comprende: determinar una puntuación de parámetros para cada uno de dichos indicadores de vida basándose en dichos parámetros medidos y comparar cada una de dichas puntuaciones de parámetros con al menos un umbral; generar una puntuación intermedia basándose en la presencia determinada de cada uno de dichos indicadores de vida; determinar si dicha cara es o no una cara viva basándose en la presencia en dichas imágenes de una combinación de al menos dos de dichos indicadores de vida, comprendiendo: ajustar dicha puntuación intermedia si se detecta en dichas imágenes la presencia de dicha combinación de al menos dos indicadores de vida; y comparar dicha puntuación ajustada con al menos un valor umbral (TH).

Description

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Claims (1)

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ES11305905.9T 2011-07-11 2011-07-11 Detección de vida Active ES2495425T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110305905 EP2546782B1 (en) 2011-07-11 2011-07-11 Liveness detection

Publications (1)

Publication Number Publication Date
ES2495425T3 true ES2495425T3 (es) 2014-09-17

Family

ID=44587739

Family Applications (1)

Application Number Title Priority Date Filing Date
ES11305905.9T Active ES2495425T3 (es) 2011-07-11 2011-07-11 Detección de vida

Country Status (6)

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US (4) US8582835B2 (es)
EP (1) EP2546782B1 (es)
BR (1) BR102012017010A2 (es)
CA (2) CA2782071C (es)
ES (1) ES2495425T3 (es)
ZA (1) ZA201205135B (es)

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US20150003692A1 (en) 2015-01-01
CA2782071C (en) 2020-06-30
US9076030B2 (en) 2015-07-07
EP2546782A1 (en) 2013-01-16
US20140037156A1 (en) 2014-02-06
EP2546782B1 (en) 2014-06-25
CA3077970A1 (en) 2013-01-11
ZA201205135B (en) 2013-06-26
US8582835B2 (en) 2013-11-12
US20150310289A1 (en) 2015-10-29
US9202121B2 (en) 2015-12-01
BR102012017010A2 (pt) 2013-07-09
US20130016882A1 (en) 2013-01-17
US8848986B2 (en) 2014-09-30
CA3077970C (en) 2024-05-28
CA2782071A1 (en) 2013-01-11

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