KR20080099443A - 조명 마스크를 이용하는 사용자 얼굴 검증 시스템 및 방법 - Google Patents
조명 마스크를 이용하는 사용자 얼굴 검증 시스템 및 방법 Download PDFInfo
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- KR20080099443A KR20080099443A KR1020070044981A KR20070044981A KR20080099443A KR 20080099443 A KR20080099443 A KR 20080099443A KR 1020070044981 A KR1020070044981 A KR 1020070044981A KR 20070044981 A KR20070044981 A KR 20070044981A KR 20080099443 A KR20080099443 A KR 20080099443A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
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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
- G06V40/10—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
- G06V40/169—Holistic features and representations, i.e. based on the facial image taken as a whole
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/28—Determining representative reference patterns, e.g. by averaging or distorting; Generating dictionaries
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- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/42—Global feature extraction by analysis of the whole pattern, e.g. using frequency domain transformations or autocorrelation
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- 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
- G06V10/772—Determining representative reference patterns, e.g. averaging or distorting patterns; Generating dictionaries
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- G—PHYSICS
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- 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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/24—Classification techniques
- G06F18/241—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches
- G06F18/2415—Classification techniques relating to the classification model, e.g. parametric or non-parametric approaches based on parametric or probabilistic models, e.g. based on likelihood ratio or false acceptance rate versus a false rejection rate
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Abstract
Description
Claims (6)
- 조명 마스크(Light Masks)를 이용하는 사용자 얼굴 검증 시스템에 있어서,얼굴 영상으로부터 얼굴특징 벡터를 추출하는 얼굴특징 추출부와,일반인 DB(Database)의 얼굴 영상으로부터 일반인 GMM(Gaussian Mixture Model)을 생성하는 일반인 GMM 구성부 및 사용자 DB의 얼굴 영상에 조명 마스크를 적용하여 사용자 GMM을 생성하는 사용자 GMM 구성부와,상기 일반인 GMM과 상기 사용자 GMM에 상기 얼굴특징 벡터를 입력하여 로그우도값(Log-likelihood)을 계산하는 로그우도값 계산부와,상기 계산된 로그우도값을 소정 임계치와 비교하여 상기 얼굴 영상이 사용자의 얼굴 영상인지 여부를 검증하는 사용자 검증부를 포함하는 조명 마스크를 이용하는 사용자 얼굴 검증 시스템.
- 제1항에 있어서,얼굴 영상을 입력받아 상기 얼굴특징 추출부로 전송하는 영상 입력부를 더 포함하는 조명 마스크를 이용하는 사용자 얼굴 검증 시스템.
- 제1항에 있어서,상기 얼굴특징 추출부가, 상기 얼굴 영상에서 얼굴영역 전체를 하나의 추출 단위로 하여 얼굴특징을 추출함을 특징으로 하는 조명 마스크를 이용하는 사용자 얼굴 검증 시스템.
- 제1항에 있어서, 상기 사용자 GMM 구성부가,사용자의 얼굴 영상을 등록하는 사용자 DB와,상기 얼굴 영상으로부터 얼굴영역 전체를 하나의 추출 단위로 하여 얼굴특징 벡터를 추출하는 얼굴특징 추출부와,상기 추출된 얼굴특징 벡터에 조명 마스크를 적용하여 선형변환 증폭을 하는 선형변환 증폭부와,연관 적응 기법(Relevance Adaptation)을 이용하여 상기 일반인 GMM 구성부로부터 사용자 GMM을 생성하는 적응기법 GMM 생성부와,상기 생성된 사용자 GMM을 저장하는 사용자 GMM 저장부를 포함하는 조명 마스크를 이용하는 사용자 얼굴 검증 시스템.
- 조명 마스크를 이용하는 사용자 얼굴 검증 방법에 있어서,얼굴 영상으로부터 얼굴특징 벡터를 추출하는 얼굴특징 추출단계와,일반인 GMM과 사용자 GMM이 저장되어 있는 GMM 구성부에 상기 얼굴특징 벡터를 입력하여 로그우도값을 계산하는 로그우도값 계산단계와,로그 우도값을 계산하기 위한 일반인 DB의 얼굴 영상으로부터 생성된 일반인 GMM과 사용자 DB의 얼굴 영상에 조명 마스크를 적용하여 생성된 사용자 GMM이 저장되는 GMM 생성단계와,상기 계산된 로그우도값을 소정 임계치와 비교하여 상기 얼굴 영상이 사용자의 얼굴 영상인지 여부를 검증하는 사용자 검증단계를 포함하는 조명 마스크를 이용하는 사용자 얼굴 검증 방법.
- 제5항에 있어서,상기 얼굴특징 추출단계가, 상기 얼굴 영상에서 얼굴영역 전체를 하나의 추출 단위로 하여 얼굴특징을 추출하는 단계임을 특징으로 하는 사용자 얼굴 검증 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020070044981A KR100876786B1 (ko) | 2007-05-09 | 2007-05-09 | 조명 마스크를 이용하는 사용자 얼굴 검증 시스템 및 방법 |
EP08155324.0A EP1990758B1 (en) | 2007-05-09 | 2008-04-29 | System and method for verifying face of user using light masks |
US12/115,905 US8116538B2 (en) | 2007-05-09 | 2008-05-06 | System and method for verifying face of user using light mask |
CN200810096436XA CN101320424B (zh) | 2007-05-09 | 2008-05-09 | 使用光栅验证用户的面部的系统和方法 |
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KR1020070044981A KR100876786B1 (ko) | 2007-05-09 | 2007-05-09 | 조명 마스크를 이용하는 사용자 얼굴 검증 시스템 및 방법 |
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KR20080099443A true KR20080099443A (ko) | 2008-11-13 |
KR100876786B1 KR100876786B1 (ko) | 2009-01-09 |
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KR1020070044981A KR100876786B1 (ko) | 2007-05-09 | 2007-05-09 | 조명 마스크를 이용하는 사용자 얼굴 검증 시스템 및 방법 |
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US (1) | US8116538B2 (ko) |
EP (1) | EP1990758B1 (ko) |
KR (1) | KR100876786B1 (ko) |
CN (1) | CN101320424B (ko) |
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TWI391876B (zh) * | 2009-02-16 | 2013-04-01 | Inst Information Industry | 利用多重模組混合圖形切割之前景偵測方法、系統以及電腦程式產品 |
KR20150140644A (ko) | 2013-02-08 | 2015-12-16 | 이모션트 | 표정 인식을 위한 기계 학습 훈련 데이터의 수집 |
US10424072B2 (en) | 2016-03-01 | 2019-09-24 | Samsung Electronics Co., Ltd. | Leveraging multi cues for fine-grained object classification |
US10579860B2 (en) | 2016-06-06 | 2020-03-03 | Samsung Electronics Co., Ltd. | Learning model for salient facial region detection |
RU2697627C1 (ru) | 2018-08-01 | 2019-08-15 | Самсунг Электроникс Ко., Лтд. | Способ корректировки освещенности объекта на изображении в последовательности изображений и вычислительное устройство пользователя, реализующее упомянутый способ |
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US6188777B1 (en) * | 1997-08-01 | 2001-02-13 | Interval Research Corporation | Method and apparatus for personnel detection and tracking |
KR100287216B1 (ko) * | 1998-04-09 | 2001-04-16 | 윤종용 | 조명변화를고려한얼굴인식방법 |
US6160903A (en) * | 1998-04-24 | 2000-12-12 | Dew Engineering And Development Limited | Method of providing secure user access |
EP1343108A3 (en) * | 2002-03-04 | 2005-03-23 | Samsung Electronics Co., Ltd. | Method and apparatus for recognising faces using principal component analysis and second order independent component analysis |
US20030225719A1 (en) * | 2002-05-31 | 2003-12-04 | Lucent Technologies, Inc. | Methods and apparatus for fast and robust model training for object classification |
JP3667332B2 (ja) * | 2002-11-21 | 2005-07-06 | 松下電器産業株式会社 | 標準モデル作成装置及び標準モデル作成方法 |
KR20030066512A (ko) * | 2003-07-04 | 2003-08-09 | 김재민 | 노이즈에 강인한 저용량 홍채인식 시스템 |
CN1849613A (zh) * | 2003-09-10 | 2006-10-18 | 皇家飞利浦电子股份有限公司 | 用于特征识别的设备和方法 |
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2007
- 2007-05-09 KR KR1020070044981A patent/KR100876786B1/ko active IP Right Grant
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2008
- 2008-04-29 EP EP08155324.0A patent/EP1990758B1/en active Active
- 2008-05-06 US US12/115,905 patent/US8116538B2/en active Active
- 2008-05-09 CN CN200810096436XA patent/CN101320424B/zh active Active
Also Published As
Publication number | Publication date |
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US8116538B2 (en) | 2012-02-14 |
CN101320424A (zh) | 2008-12-10 |
EP1990758A3 (en) | 2017-12-13 |
EP1990758B1 (en) | 2022-03-02 |
CN101320424B (zh) | 2011-11-16 |
EP1990758A2 (en) | 2008-11-12 |
US20080279426A1 (en) | 2008-11-13 |
KR100876786B1 (ko) | 2009-01-09 |
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