JPWO2021019788A1 - - Google Patents

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Publication number
JPWO2021019788A1
JPWO2021019788A1 JP2021536594A JP2021536594A JPWO2021019788A1 JP WO2021019788 A1 JPWO2021019788 A1 JP WO2021019788A1 JP 2021536594 A JP2021536594 A JP 2021536594A JP 2021536594 A JP2021536594 A JP 2021536594A JP WO2021019788 A1 JPWO2021019788 A1 JP WO2021019788A1
Authority
JP
Japan
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.)
Granted
Application number
JP2021536594A
Other versions
JP7197017B2 (ja
JPWO2021019788A5 (ja
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.)
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Application filed filed Critical
Publication of JPWO2021019788A1 publication Critical patent/JPWO2021019788A1/ja
Publication of JPWO2021019788A5 publication Critical patent/JPWO2021019788A5/ja
Application granted granted Critical
Publication of JP7197017B2 publication Critical patent/JP7197017B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/006—Inverse problem, transformation from projection-space into object-space, e.g. transform methods, back-projection, algebraic methods
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/00—2D [Two Dimensional] image generation
    • G06T11/003—Reconstruction from projections, e.g. tomography
    • G06T11/005—Specific pre-processing for tomographic reconstruction, e.g. calibration, source positioning, rebinning, scatter correction, retrospective gating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/04—Texture mapping
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T15/00—3D [Three Dimensional] image rendering
    • G06T15/08—Volume rendering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/60—Type of objects
    • G06V20/64—Three-dimensional objects
    • 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
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1324—Sensors therefor by using geometrical optics, e.g. using prisms
    • 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
    • G06V40/12—Fingerprints or palmprints
    • G06V40/1341—Sensing with light passing through the finger
    • 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
    • G06V40/12—Fingerprints or palmprints
    • G06V40/1347—Preprocessing; Feature extraction
    • G06V40/1359—Extracting features related to ridge properties; Determining the fingerprint type, e.g. whorl or loop
    • 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
    • G06V40/12—Fingerprints or palmprints
    • G06V40/1365—Matching; Classification
    • G06V40/1376—Matching features related to ridge properties or fingerprint texture
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/10—Image acquisition modality
    • G06T2207/10072—Tomographic images
    • G06T2207/10101—Optical tomography; Optical coherence tomography [OCT]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2211/00—Image generation
    • G06T2211/40—Computed tomography
    • G06T2211/456—Optical coherence tomography [OCT]

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Computer Graphics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Algebra (AREA)
  • Optics & Photonics (AREA)
  • Collating Specific Patterns (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
JP2021536594A 2019-08-01 2019-08-01 処理装置、システム、生体認証システム、処理方法、及びプログラム Active JP7197017B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/030364 WO2021019788A1 (ja) 2019-08-01 2019-08-01 処理装置、システム、生体認証システム、処理方法、及びコンピュータ可読媒体

Publications (3)

Publication Number Publication Date
JPWO2021019788A1 true JPWO2021019788A1 (ja) 2021-02-04
JPWO2021019788A5 JPWO2021019788A5 (ja) 2022-04-18
JP7197017B2 JP7197017B2 (ja) 2022-12-27

Family

ID=74228856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2021536594A Active JP7197017B2 (ja) 2019-08-01 2019-08-01 処理装置、システム、生体認証システム、処理方法、及びプログラム

Country Status (3)

Country Link
US (1) US20220277498A1 (ja)
JP (1) JP7197017B2 (ja)
WO (1) WO2021019788A1 (ja)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI715643B (zh) 2015-10-05 2021-01-11 瑞士商Ｂｖｗ控股公司 紡織物
WO2022196026A1 (ja) * 2021-03-17 2022-09-22 日本電気株式会社 情報処理装置、情報処理方法及び記憶媒体
WO2023119631A1 (ja) * 2021-12-24 2023-06-29 日本電気株式会社 光干渉断層撮像解析装置、光干渉断層撮像解析方法、及び記録媒体
WO2023166616A1 (ja) * 2022-03-02 2023-09-07 日本電気株式会社 画像処理装置、画像処理方法、及び、記録媒体
WO2023181357A1 (ja) * 2022-03-25 2023-09-28 日本電気株式会社 光干渉断層画像生成装置、光干渉断層画像生成方法、及び、記録媒体

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015026228A (ja) * 2013-07-26 2015-02-05 株式会社日立製作所 血管画像撮影装置及び端末
WO2016204176A1 (ja) * 2015-06-15 2016-12-22 日本電気株式会社 真皮画像情報処理装置、真皮画像情報処理方法及びプログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015026228A (ja) * 2013-07-26 2015-02-05 株式会社日立製作所 血管画像撮影装置及び端末
WO2016204176A1 (ja) * 2015-06-15 2016-12-22 日本電気株式会社 真皮画像情報処理装置、真皮画像情報処理方法及びプログラム

Also Published As

Publication number Publication date
JP7197017B2 (ja) 2022-12-27
WO2021019788A1 (ja) 2021-02-04
US20220277498A1 (en) 2022-09-01

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