HK1036139A1 - High contrast, low distortion optical acquisition system for image capturing - Google Patents

High contrast, low distortion optical acquisition system for image capturing

Info

Publication number
HK1036139A1
HK1036139A1 HK01106812A HK01106812A HK1036139A1 HK 1036139 A1 HK1036139 A1 HK 1036139A1 HK 01106812 A HK01106812 A HK 01106812A HK 01106812 A HK01106812 A HK 01106812A HK 1036139 A1 HK1036139 A1 HK 1036139A1
Authority
HK
Hong Kong
Prior art keywords
high contrast
lens
image capturing
acquisition system
low distortion
Prior art date
Application number
HK01106812A
Other languages
English (en)
Inventor
Harry H Teng
Sung-Chan Jo
Original Assignee
Secugen Corp
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
Application filed by Secugen Corp filed Critical Secugen Corp
Publication of HK1036139A1 publication Critical patent/HK1036139A1/xx

Links

Classifications

    • 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
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00—Pattern recognition

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Optics & Photonics (AREA)
  • Data Mining & Analysis (AREA)
  • Evolutionary Computation (AREA)
  • Evolutionary Biology (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Artificial Intelligence (AREA)
  • Image Input (AREA)
  • Lenses (AREA)
  • Microscoopes, Condenser (AREA)
  • Transforming Light Signals Into Electric Signals (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Studio Devices (AREA)
HK01106812A 1998-11-12 2001-09-27 High contrast, low distortion optical acquisition system for image capturing HK1036139A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/191,428 US6381347B1 (en) 1998-11-12 1998-11-12 High contrast, low distortion optical acquistion system for image capturing
PCT/US1999/027051 WO2000028469A2 (en) 1998-11-12 1999-11-12 High contrast, low distortion optical acquisition system for image capturing

Publications (1)

Publication Number Publication Date
HK1036139A1 true HK1036139A1 (en) 2001-12-21

Family

ID=22705478

Family Applications (2)

Application Number Title Priority Date Filing Date
HK01106812A HK1036139A1 (en) 1998-11-12 2001-09-27 High contrast, low distortion optical acquisition system for image capturing
HK02103264.1A HK1041618A1 (zh) 1998-11-12 2002-04-30 用於圖像捕獲的高對比度、低失真的光學捕獲系統

Family Applications After (1)

Application Number Title Priority Date Filing Date
HK02103264.1A HK1041618A1 (zh) 1998-11-12 2002-04-30 用於圖像捕獲的高對比度、低失真的光學捕獲系統

Country Status (13)

Country Link
US (2) US6381347B1 (zh)
EP (1) EP1131775B1 (zh)
JP (2) JP4294872B2 (zh)
KR (1) KR100429302B1 (zh)
CN (1) CN100373398C (zh)
AT (1) ATE302978T1 (zh)
AU (1) AU1725600A (zh)
CA (1) CA2351086C (zh)
DE (1) DE69926908T2 (zh)
ES (1) ES2249047T3 (zh)
HK (2) HK1036139A1 (zh)
TW (1) TW511038B (zh)
WO (1) WO2000028469A2 (zh)

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US6917695B2 (en) 2005-07-12
CA2351086A1 (en) 2000-05-18
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