JPH08504979A - 虹彩解析に基づく生体測定学的人物識別システム - Google Patents
虹彩解析に基づく生体測定学的人物識別システムInfo
- Publication number
- JPH08504979A JPH08504979A JP6509930A JP50993094A JPH08504979A JP H08504979 A JPH08504979 A JP H08504979A JP 6509930 A JP6509930 A JP 6509930A JP 50993094 A JP50993094 A JP 50993094A JP H08504979 A JPH08504979 A JP H08504979A
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- Prior art keywords
- iris
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- Legal status (The legal status 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 status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
- G06F21/31—User authentication
- G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
- A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
- A61B3/12—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes
- A61B3/1216—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for looking at the eye fundus, e.g. ophthalmoscopes for diagnostics of the iris
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/117—Identification of persons
- A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
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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
- G06V10/40—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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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/44—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components
- G06V10/443—Local feature extraction by analysis of parts of the pattern, e.g. by detecting edges, contours, loops, corners, strokes or intersections; Connectivity analysis, e.g. of connected components by matching or filtering
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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
- G06V40/18—Eye characteristics, e.g. of the iris
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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
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Human Computer Interaction (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Biophysics (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Computer Security & Cryptography (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Public Health (AREA)
- Software Systems (AREA)
- Pathology (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Collating Specific Patterns (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.目の虹彩の生体測定学的解析によって特定の人間を独特に識別する方法にお いて、 識別されるべき人間の目のイメージを獲得し、 イメージ内で目の虹彩を分離して決定し、 虹彩を解析して、提供する虹彩コードを発生し、 前に発生された基準虹彩コードと前記提供されたコードを比較して、前記提供 されたコードと前記基準コードとの間の類似性の尺度を発生し、 前記虹彩コードが同じ虹彩から生じたか否かの決定事項に前記類似性尺度を変 換するステップを含んでいる方法。 2.さらに、決定事項に対する信頼性レベルを計算するステップを含んでいる請 求項1記載の方法。 3.前記分離および決定ステップは、 イメージの虹彩と瞳孔部分の間の円形の瞳孔境界を決定し、 瞳孔の境界と必ずしも中心を共有するとは限らない弧を使用して、イメージの 虹彩と強膜部分との間の別の円形の境界を決定し、 分離された虹彩イメージ上で極座標系を設定し、座標系の原点が円形の瞳孔境 界の中心であり、ここにおいて、半径座標が前記円形の瞳孔境界と、虹彩と強膜 との間の前記円形の境界との間の距離のパーセンテージとして測定され、 虹彩イメージ内において複数の環状解析帯域を限定するステップを含んでいる 請求項2記載の方法。 4.前記解析帯域は、まぶた、まつげまたは照明器具からの 鏡面反射によって妨害されるような虹彩イメージのある予め選択された部分を除 外する請求項3記載の方法。 5.前記解析ステップは、前記環状解析帯域内に存在する虹彩イメージの部分を 解析し、信号処理手段を使用して前記虹彩イメージ部分に対する虹彩コードを発 生するステップを含んでいる請求項4記載の方法。 6.前記信号処理手段は、マルチスケールの自己類似的な2次元直角位相バンド パスフィルタを極座標で虹彩イメージに適用する請求項5記載の方法。 7.前記虹彩コードは、固定された数のビットおよび全ての虹彩に対して普遍的 なフォーマットを有している請求項6記載の方法。 8.前記解析ステップは、輝度バイアスを除去するために原虹彩イメージ信号の 領域に前記バンドパスフィルタを適用して、斜照明から生じた遅い輝度傾斜を除 去し、雑音を除去して、エーリアシングを阻止するステップを含んでいる請求項 7記載の方法。 9.虹彩コード中の各ビットの値は、所定の位置における所定の寸法の前記フィ ルタに対してサポートを構成する虹彩のどのような領域に対してでも、以下の定 義: にしたがってフィルタ出力の最大桁ビットを計算することによって“1”または “0”として定められている請求項8記載の方法。 10.前記比較ステップは、 全ての対応したビット間の基本的な排他的オア論理動作を計算することによっ て任意の2つの虹彩コードを比較し、 結果的な2進ベクトルの二乗されたノルムを計算するステップを含み、 この比較尺度は、2つの虹彩コードベクトル間のハミング距離として定められ る請求項9記載の方法。 11.さらに、角度的軸に沿った虹彩コードのいくつかの異なる相対的シフトの ために比較ステップを反復し、提供された対象の頭部の可能性のある傾斜または 回転両眼共同運動(すなわち、ねじれ眼球回転)を補償する請求項10記載の方 法。 12.前記計算ステップは、2つのコードが同じ虹彩、したがって同一人物から 生じた計算された尤度に前記ハミング距離を変換するステップを含んでいる請求 項11記載の方法。 13.前記計算された尤度は、コードが独立である場合、すなわち別々の虹彩か ら生じた場合に、提供されたコードと基準コードのビットの観察された一致部分 が偶然に一致する確率を計算することによって発見される請求項12記載の方法 。 14.測定されたハミング距離は、2つの前記虹彩コードが同じ目のものである 確率に変換され、 予め選択された基準は前記測定されたハミング距離に適用 されて、“イエス”または“ノー”決定を発生し、 決定に関する信頼レベルは計算された確率によって与えられる請求項13記載 の方法。 15.前記円形の瞳孔境界は、式: によって定められ、ここでrは前記境界の半径であり、x0およびy0は中心座標 であり、Iはイメージ強度であり、 前記半径および中心座標は予め選択されたパターンで変化される請求項14記 載の方法。 16.イメージの虹彩と強膜部分との間の前記別の円形の境界は、式: にしたがって前記座標系の原点から左および右の縁までの距離を決定することに よって定められ、ここにおいてrは前に決定された瞳孔の半径であり、δは半径 シェル距離であり、I(ρ,θ)は極座標における元のイメージ強度であり、φ は3時または9時経線における縁をそれぞれ発見するために0またはπに等しい 請求項15記載の方法。 17.前記解析帯域は前記瞳孔の周囲に完全に延在する複数の環状帯域と、ほぼ 45゜の極座標角度から135゜までおよび225゜から315゜まで前記瞳孔の周囲に延 在する複数の半環状帯域とを含んでいる請求項16記載の方法。 18.前記解析帯域は、前記瞳孔境界から予め選択された部 分距離で配置された内部ポイントから前記縁から予め選択された部分距離で配置 された外部ポイントまで等しい部分的な半径距離で間隔を隔てられている請求項 17記載の方法。 19.前記バンドパスフィルタは2−Dガボールフィルタである請求項17記載 の方法。 20.前記2−Dガボールフィルタは式: にしたがって極座標において定められ、ここでrは半径であり、θは半径の角度 距離であり、ωは周波数であり、αおよびβは定数である請求項19記載の方法 。 21.前記虹彩コードは2048ビットから成る請求項20記載の方法。 22.前記円形の瞳孔境界は式: によって定められ、ここでrは前記境界の半径であり、x0およびy0は中心座標 であり、Iはイメージ強度であり、 前記半径および中心座標は、前記定められた式において最大値を発見するため に反復的な上り傾斜によって組織的に変化される請求項3記載の方法。 23.イメージの虹彩と強膜部分との間の前記別の円形の境界は、式: にしたがって前記座標系の原点から左および右の縁までの距離を決定することに よって定められ、ここにおいてr0は前に定められた瞳孔の半径であり、δは半 径シェル距離であり、I(ρ,θ)は極座標における元のイメージ強度であり、 φは3時または9時の経線における縁をそれぞれ発見するために0またはπに等 しい請求項22記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/729,638 US5291560A (en) | 1991-07-15 | 1991-07-15 | Biometric personal identification system based on iris analysis |
CA002145659A CA2145659C (en) | 1991-07-15 | 1992-10-10 | Biometric personal identification system based on iris analysis |
PCT/US1992/008673 WO1994009446A1 (en) | 1991-07-15 | 1992-10-10 | Biometric personal identification system based on iris analysis |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08504979A true JPH08504979A (ja) | 1996-05-28 |
JP3307936B2 JP3307936B2 (ja) | 2002-07-29 |
Family
ID=27169981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50993094A Expired - Lifetime JP3307936B2 (ja) | 1991-07-15 | 1992-10-10 | 虹彩解析に基づく生体測定学的人物識別システム |
Country Status (11)
Country | Link |
---|---|
US (1) | US5291560A (ja) |
EP (1) | EP0664037B1 (ja) |
JP (1) | JP3307936B2 (ja) |
AT (1) | ATE211279T1 (ja) |
AU (1) | AU2808092A (ja) |
CA (1) | CA2145659C (ja) |
DE (1) | DE69232314T2 (ja) |
DK (1) | DK0664037T3 (ja) |
ES (1) | ES2168261T3 (ja) |
HK (1) | HK1013156A1 (ja) |
WO (1) | WO1994009446A1 (ja) |
Cited By (29)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH09201348A (ja) * | 1996-01-30 | 1997-08-05 | Oki Electric Ind Co Ltd | 虹彩認識システム |
JPH1021392A (ja) * | 1996-06-28 | 1998-01-23 | Oki Electric Ind Co Ltd | 虹彩認識システムおよび虹彩認識装置 |
JP2002503362A (ja) * | 1997-02-21 | 2002-01-29 | デュー エンジニアリング アンド デベロップメント リミテッド | 生物測定情報収集法 |
US6614919B1 (en) | 1998-12-25 | 2003-09-02 | Oki Electric Industry Co., Ltd. | Method of extracting iris region and individual identification device |
WO2004025565A1 (ja) * | 2002-09-13 | 2004-03-25 | Matsushita Electric Industrial Co., Ltd. | 虹彩コード化方法、個人認証方法、虹彩コード登録装置、虹彩認証装置、および虹彩認証プログラム |
JP2004167227A (ja) * | 2002-11-07 | 2004-06-17 | Matsushita Electric Ind Co Ltd | 個人認証方法、虹彩登録装置、虹彩認証装置および個人認証プログラム |
WO2005008590A1 (ja) | 2003-07-17 | 2005-01-27 | Matsushita Electric Industrial Co.,Ltd. | 虹彩コード生成方法、個人認証方法、虹彩コード登録装置、個人認証装置、および個人認証プログラム |
JP2005528600A (ja) * | 2002-05-30 | 2005-09-22 | ヴィズイクス・インコーポレーテッド | 眼の回し運動の向きと位置の追跡 |
WO2005109344A1 (ja) * | 2004-05-10 | 2005-11-17 | Matsushita Electric Industrial Co., Ltd. | 虹彩登録方法、虹彩登録装置および虹彩登録プログラム |
WO2006013668A1 (ja) * | 2004-08-02 | 2006-02-09 | Matsushita Electric Industrial Co., Ltd. | 瞳孔検出装置および虹彩認証装置 |
WO2006013669A1 (ja) * | 2004-08-02 | 2006-02-09 | Matsushita Electric Industrial Co., Ltd. | 瞳孔検出装置および虹彩認証装置 |
US7099495B2 (en) | 2001-02-28 | 2006-08-29 | Matsushita Electric Industrial Co., Ltd. | Frequency and resolution analyzed biometric authentication method and device |
JP2006522629A (ja) * | 2003-04-11 | 2006-10-05 | ボシュ・アンド・ロム・インコーポレイテッド | 眼のデータ取得ならびに整列および追跡のためのシステムおよび方法 |
US7181049B2 (en) | 2001-05-11 | 2007-02-20 | Matsushita Electric Industrial Co., Ltd. | Authentication object image-pickup method and device therefor |
JP2007515010A (ja) * | 2003-12-18 | 2007-06-07 | サジェム デファンス セキュリテ | アイリス認証のための方法及び装置 |
US7305089B2 (en) | 2002-06-20 | 2007-12-04 | Canon Kabushiki Kaisha | Picture taking apparatus and method of controlling same |
US7466348B2 (en) | 2002-06-20 | 2008-12-16 | Canon Kabushiki Kaisha | Imaging apparatus and control method utilizing biometric information |
WO2009005228A2 (en) * | 2007-06-29 | 2009-01-08 | Electronics And Telecommunications Research Institute | Image signature creating method and apparatus for discriminating still images |
JP2010507856A (ja) * | 2006-10-23 | 2010-03-11 | モンロ、ドナルド・マーティン | ファジーデータベースマッチング |
JP2011034580A (ja) * | 2010-10-12 | 2011-02-17 | Oki Electric Industry Co Ltd | 個人認証システム及び個人認証方法 |
JP2013033506A (ja) * | 2012-10-31 | 2013-02-14 | Nec Corp | 生体認証装置、生体認証方法及びプログラム |
US8379910B2 (en) | 2007-06-29 | 2013-02-19 | Electronics And Telecommunications Research Institute | Image signature creating method and apparatus for discriminating still images |
JP2013506192A (ja) * | 2009-09-25 | 2013-02-21 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 短縮虹彩コードを発生させるための方法、システム、およびコンピュータ読み取り可能プログラムを含むコンピュータ読み取り可能記憶媒体(短縮虹彩コードを発生させ使用するためのシステムおよび方法) |
JP2014529816A (ja) * | 2011-09-06 | 2014-11-13 | モルフォ | 虹彩認識による識別 |
US9070016B2 (en) | 2009-01-22 | 2015-06-30 | Nec Corporation | Biometric authentication apparatus, biometric authentication method and recording medium |
WO2016129917A1 (ko) * | 2015-02-10 | 2016-08-18 | 삼성전자 주식회사 | 사용자 단말 및 이의 제공 방법 |
JP2017526079A (ja) * | 2014-05-09 | 2017-09-07 | グーグル インコーポレイテッド | 眼信号を識別するためのシステムおよび方法、ならびに連続バイオメトリック認証 |
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US5842194A (en) * | 1995-07-28 | 1998-11-24 | Mitsubishi Denki Kabushiki Kaisha | Method of recognizing images of faces or general images using fuzzy combination of multiple resolutions |
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JPH09134430A (ja) * | 1995-11-08 | 1997-05-20 | Oki Electric Ind Co Ltd | アイリスデータ照合システム |
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Also Published As
Publication number | Publication date |
---|---|
EP0664037A4 (en) | 1996-02-14 |
AU2808092A (en) | 1994-05-09 |
CA2145659C (en) | 2004-05-25 |
ATE211279T1 (de) | 2002-01-15 |
CA2145659A1 (en) | 1994-04-28 |
DE69232314T2 (de) | 2002-06-20 |
EP0664037A1 (en) | 1995-07-26 |
EP0664037B1 (en) | 2001-12-19 |
US5291560A (en) | 1994-03-01 |
ES2168261T3 (es) | 2002-06-16 |
HK1013156A1 (en) | 1999-08-13 |
WO1994009446A1 (en) | 1994-04-28 |
JP3307936B2 (ja) | 2002-07-29 |
DE69232314D1 (de) | 2002-01-31 |
DK0664037T3 (da) | 2002-03-11 |
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