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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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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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/40—Spoof detection, e.g. liveness detection
    • G06V40/45—Detection of the body part being alive
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/22—Matching criteria, e.g. proximity measures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition
    • G06F18/20—Analysing
    • G06F18/25—Fusion techniques
    • G06F18/253—Fusion techniques of extracted features
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/70—Arrangements for image or video recognition or understanding using pattern recognition or machine learning
    • G06V10/77—Processing 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
    • G06V10/80—Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level
    • G06V10/806—Fusion, i.e. combining data from various sources at the sensor level, preprocessing level, feature extraction level or classification level of extracted features
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/161—Detection; Localisation; Normalisation
    • G06V40/167—Detection; Localisation; Normalisation using comparisons between temporally consecutive images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/168—Feature extraction; Face representation
    • G06V40/171—Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/16—Human faces, e.g. facial parts, sketches or expressions
    • G06V40/172—Classification, 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)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Studio Devices (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

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

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