DE69926908D1 - System zur kontrastreichen und verzerrungsarmen bilderfassung - Google Patents

System zur kontrastreichen und verzerrungsarmen bilderfassung

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Publication number
DE69926908D1
DE69926908D1 DE69926908T DE69926908T DE69926908D1 DE 69926908 D1 DE69926908 D1 DE 69926908D1 DE 69926908 T DE69926908 T DE 69926908T DE 69926908 T DE69926908 T DE 69926908T DE 69926908 D1 DE69926908 D1 DE 69926908D1
Authority
DE
Germany
Prior art keywords
lens
contrasting
decorative image
image caption
light
Prior art date
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.)
Expired - Lifetime
Application number
DE69926908T
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English (en)
Other versions
DE69926908T2 (de
Inventor
Harry H Teng
Sung-Chan Jo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SecuGen Corp
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
Application granted granted Critical
Publication of DE69926908D1 publication Critical patent/DE69926908D1/de
Publication of DE69926908T2 publication Critical patent/DE69926908T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
DE69926908T 1998-11-12 1999-11-12 System zur kontrastreichen und verzerrungsarmen bilderfassung Expired - Lifetime DE69926908T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US191428 1994-02-03
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 (2)

Publication Number Publication Date
DE69926908D1 true DE69926908D1 (de) 2005-09-29
DE69926908T2 DE69926908T2 (de) 2006-06-29

Family

ID=22705478

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69926908T Expired - Lifetime DE69926908T2 (de) 1998-11-12 1999-11-12 System zur kontrastreichen und verzerrungsarmen bilderfassung

Country Status (13)

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

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WO2000028469A2 (en) 2000-05-18
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CA2351086C (en) 2005-08-16
US6381347B1 (en) 2002-04-30
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EP1131775B1 (de) 2005-08-24
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KR100429302B1 (ko) 2004-04-29
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US20020110266A1 (en) 2002-08-15

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