AT472140T - Separation of directional illumination variability in statistical face modeling based on texture space modules - Google Patents

Separation of directional illumination variability in statistical face modeling based on texture space modules

Info

Publication number
AT472140T
AT472140T AT08717149T AT08717149T AT472140T AT 472140 T AT472140 T AT 472140T AT 08717149 T AT08717149 T AT 08717149T AT 08717149 T AT08717149 T AT 08717149T AT 472140 T AT472140 T AT 472140T
Authority
AT
Austria
Prior art keywords
separation
modeling based
texture space
directional illumination
face modeling
Prior art date
Application number
AT08717149T
Other languages
German (de)
Inventor
Mircea Ionita
Ioana Bacivarov
Peter Corcoran
Original Assignee
Fotonation Vision Ltd
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
Priority to US89223807P priority Critical
Application filed by Fotonation Vision Ltd filed Critical Fotonation Vision Ltd
Priority to PCT/EP2008/052329 priority patent/WO2008104549A2/en
Publication of AT472140T publication Critical patent/AT472140T/en

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/36Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/40Noise filtering
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00221Acquiring or recognising human faces, facial parts, facial sketches, facial expressions
    • G06K9/00268Feature extraction; Face representation
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/00221Acquiring or recognising human faces, facial parts, facial sketches, facial expressions
    • G06K9/00268Feature extraction; Face representation
    • G06K9/00281Local features and components; Facial parts ; Occluding parts, e.g. glasses; Geometrical relationships
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/36Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46Extraction of features or characteristics of the image
    • G06K9/4661Extraction of features or characteristics of the image related to illumination properties, e.g. according to a reflectance or lighting model
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K9/00Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
    • G06K9/62Methods or arrangements for recognition using electronic means
    • G06K9/6201Matching; Proximity measures
    • G06K9/6202Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
    • G06K9/6203Shifting or otherwise transforming the patterns to accommodate for positional errors
    • G06K9/6206Shifting or otherwise transforming the patterns to accommodate for positional errors involving a deformation of the sample or reference pattern; Elastic matching
    • G06K9/6209Shifting or otherwise transforming the patterns to accommodate for positional errors involving a deformation of the sample or reference pattern; Elastic matching based on shape statistics, e.g. active shape models of the pattern to be recognised
    • G06K9/621Shifting or otherwise transforming the patterns to accommodate for positional errors involving a deformation of the sample or reference pattern; Elastic matching based on shape statistics, e.g. active shape models of the pattern to be recognised based also on statistics of image patches, e.g. active appearance models of the pattern to be recognised
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00Image enhancement or restoration
    • G06T5/007Dynamic range modification
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/235Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor
    • H04N5/2351Circuitry for evaluating the brightness variations of the object
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, camcorders, webcams, camera modules specially adapted for being embedded in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/235Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor
    • H04N5/2354Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor by influencing the scene brightness using illuminating means
AT08717149T 2007-02-28 2008-02-26 Separation of directional illumination variability in statistical face modeling based on texture space modules AT472140T (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US89223807P true 2007-02-28 2007-02-28
PCT/EP2008/052329 WO2008104549A2 (en) 2007-02-28 2008-02-26 Separating directional lighting variability in statistical face modelling based on texture space decomposition

Publications (1)

Publication Number Publication Date
AT472140T true AT472140T (en) 2010-07-15

Family

ID=39689512

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08717149T AT472140T (en) 2007-02-28 2008-02-26 Separation of directional illumination variability in statistical face modeling based on texture space modules

Country Status (6)

Country Link
US (5) US8509561B2 (en)
EP (1) EP2115662B1 (en)
JP (1) JP5049356B2 (en)
AT (1) AT472140T (en)
DE (1) DE602008001607D1 (en)
WO (1) WO2008104549A2 (en)

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US20090003661A1 (en) 2009-01-01
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US8565550B2 (en) 2013-10-22
EP2115662A2 (en) 2009-11-11
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US8509561B2 (en) 2013-08-13
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US8582896B2 (en) 2013-11-12
US20080205712A1 (en) 2008-08-28

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