TW200629167A - Fingerprint image identification and positioning method - Google Patents

Fingerprint image identification and positioning method

Info

Publication number
TW200629167A
TW200629167A TW094104286A TW94104286A TW200629167A TW 200629167 A TW200629167 A TW 200629167A TW 094104286 A TW094104286 A TW 094104286A TW 94104286 A TW94104286 A TW 94104286A TW 200629167 A TW200629167 A TW 200629167A
Authority
TW
Taiwan
Prior art keywords
fingerprint image
identified
fingerprint
image
identification
Prior art date
Application number
TW094104286A
Other languages
Chinese (zh)
Other versions
TWI295443B (en
Inventor
shi-xian Xu
Original Assignee
Elecvision Inc
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 Elecvision Inc filed Critical Elecvision Inc
Priority to TW094104286A priority Critical patent/TW200629167A/en
Publication of TW200629167A publication Critical patent/TW200629167A/en
Application granted granted Critical
Publication of TWI295443B publication Critical patent/TWI295443B/zh

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Abstract

In order to effectively minimize the number of identification calculations and improve the identification efficiency, the present invention provides a fingerprint image identification positioning method comprising the following steps: defining a plurality of virtual grids in a fingerprint image to be identified, where each virtual grid has at least one ridge; connecting the end points of a ridge to form a judging line having at least four optional fingerprint directions corresponding to at least four different colors, respectively, and selecting one of the fingerprint directions for judging before replacing each virtual grid by a corresponding color to transform the fingerprint image to be identified into a color image to be identified; comparing the color image to be identified with a pre-stored standard color image to locate the position of a similar block; and finally, performing identification by comparing the fingerprint image in the similar block of the fingerprint image to be identified with the standard fingerprint image.
TW094104286A 2005-02-15 2005-02-15 Fingerprint image identification and positioning method TW200629167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW094104286A TW200629167A (en) 2005-02-15 2005-02-15 Fingerprint image identification and positioning method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW094104286A TW200629167A (en) 2005-02-15 2005-02-15 Fingerprint image identification and positioning method

Publications (2)

Publication Number Publication Date
TW200629167A true TW200629167A (en) 2006-08-16
TWI295443B TWI295443B (en) 2008-04-01

Family

ID=45068442

Family Applications (1)

Application Number Title Priority Date Filing Date
TW094104286A TW200629167A (en) 2005-02-15 2005-02-15 Fingerprint image identification and positioning method

Country Status (1)

Country Link
TW (1) TW200629167A (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8276816B2 (en) 2007-12-14 2012-10-02 Validity Sensors, Inc. Smart card system with ergonomic fingerprint sensor and method of using
US8331096B2 (en) 2010-08-20 2012-12-11 Validity Sensors, Inc. Fingerprint acquisition expansion card apparatus
US8374407B2 (en) 2009-01-28 2013-02-12 Validity Sensors, Inc. Live finger detection
US8391568B2 (en) 2008-11-10 2013-03-05 Validity Sensors, Inc. System and method for improved scanning of fingerprint edges
US8447077B2 (en) 2006-09-11 2013-05-21 Validity Sensors, Inc. Method and apparatus for fingerprint motion tracking using an in-line array
US8520913B2 (en) 2008-04-04 2013-08-27 Validity Sensors, Inc. Apparatus and method for reducing noise in fingerprint sensing circuits
US8538097B2 (en) 2011-01-26 2013-09-17 Validity Sensors, Inc. User input utilizing dual line scanner apparatus and method
US8594393B2 (en) 2011-01-26 2013-11-26 Validity Sensors System for and method of image reconstruction with dual line scanner using line counts
US8593160B2 (en) 2009-01-15 2013-11-26 Validity Sensors, Inc. Apparatus and method for finger activity on a fingerprint sensor
US8600122B2 (en) 2009-01-15 2013-12-03 Validity Sensors, Inc. Apparatus and method for culling substantially redundant data in fingerprint sensing circuits
US8698594B2 (en) 2008-07-22 2014-04-15 Synaptics Incorporated System, device and method for securing a user device component by authenticating the user of a biometric sensor by performance of a replication of a portion of an authentication process performed at a remote computing device
US8716613B2 (en) 2010-03-02 2014-05-06 Synaptics Incoporated Apparatus and method for electrostatic discharge protection
US8811688B2 (en) 2004-04-16 2014-08-19 Synaptics Incorporated Method and apparatus for fingerprint image reconstruction
US8867799B2 (en) 2004-10-04 2014-10-21 Synaptics Incorporated Fingerprint sensing assemblies and methods of making
US9001040B2 (en) 2010-06-02 2015-04-07 Synaptics Incorporated Integrated fingerprint sensor and navigation device
US9137438B2 (en) 2012-03-27 2015-09-15 Synaptics Incorporated Biometric object sensor and method
US9195877B2 (en) 2011-12-23 2015-11-24 Synaptics Incorporated Methods and devices for capacitive image sensing
US9251329B2 (en) 2012-03-27 2016-02-02 Synaptics Incorporated Button depress wakeup and wakeup strategy
US9336428B2 (en) 2009-10-30 2016-05-10 Synaptics Incorporated Integrated fingerprint sensor and display
US9406580B2 (en) 2011-03-16 2016-08-02 Synaptics Incorporated Packaging for fingerprint sensors and methods of manufacture
US9600709B2 (en) 2012-03-28 2017-03-21 Synaptics Incorporated Methods and systems for enrolling biometric data
US9666635B2 (en) 2010-02-19 2017-05-30 Synaptics Incorporated Fingerprint sensing circuit
US9665762B2 (en) 2013-01-11 2017-05-30 Synaptics Incorporated Tiered wakeup strategy

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9721137B2 (en) 2004-04-16 2017-08-01 Synaptics Incorporated Method and apparatus for fingerprint image reconstruction
US8811688B2 (en) 2004-04-16 2014-08-19 Synaptics Incorporated Method and apparatus for fingerprint image reconstruction
US8867799B2 (en) 2004-10-04 2014-10-21 Synaptics Incorporated Fingerprint sensing assemblies and methods of making
US8693736B2 (en) 2006-09-11 2014-04-08 Synaptics Incorporated System for determining the motion of a fingerprint surface with respect to a sensor surface
US8447077B2 (en) 2006-09-11 2013-05-21 Validity Sensors, Inc. Method and apparatus for fingerprint motion tracking using an in-line array
US8276816B2 (en) 2007-12-14 2012-10-02 Validity Sensors, Inc. Smart card system with ergonomic fingerprint sensor and method of using
US8520913B2 (en) 2008-04-04 2013-08-27 Validity Sensors, Inc. Apparatus and method for reducing noise in fingerprint sensing circuits
US8787632B2 (en) 2008-04-04 2014-07-22 Synaptics Incorporated Apparatus and method for reducing noise in fingerprint sensing circuits
US8698594B2 (en) 2008-07-22 2014-04-15 Synaptics Incorporated System, device and method for securing a user device component by authenticating the user of a biometric sensor by performance of a replication of a portion of an authentication process performed at a remote computing device
US8391568B2 (en) 2008-11-10 2013-03-05 Validity Sensors, Inc. System and method for improved scanning of fingerprint edges
US8593160B2 (en) 2009-01-15 2013-11-26 Validity Sensors, Inc. Apparatus and method for finger activity on a fingerprint sensor
US8600122B2 (en) 2009-01-15 2013-12-03 Validity Sensors, Inc. Apparatus and method for culling substantially redundant data in fingerprint sensing circuits
US8374407B2 (en) 2009-01-28 2013-02-12 Validity Sensors, Inc. Live finger detection
US9336428B2 (en) 2009-10-30 2016-05-10 Synaptics Incorporated Integrated fingerprint sensor and display
US9666635B2 (en) 2010-02-19 2017-05-30 Synaptics Incorporated Fingerprint sensing circuit
US8716613B2 (en) 2010-03-02 2014-05-06 Synaptics Incoporated Apparatus and method for electrostatic discharge protection
US9001040B2 (en) 2010-06-02 2015-04-07 Synaptics Incorporated Integrated fingerprint sensor and navigation device
US8331096B2 (en) 2010-08-20 2012-12-11 Validity Sensors, Inc. Fingerprint acquisition expansion card apparatus
US8929619B2 (en) 2011-01-26 2015-01-06 Synaptics Incorporated System and method of image reconstruction with dual line scanner using line counts
US8811723B2 (en) 2011-01-26 2014-08-19 Synaptics Incorporated User input utilizing dual line scanner apparatus and method
US8538097B2 (en) 2011-01-26 2013-09-17 Validity Sensors, Inc. User input utilizing dual line scanner apparatus and method
US8594393B2 (en) 2011-01-26 2013-11-26 Validity Sensors System for and method of image reconstruction with dual line scanner using line counts
US10636717B2 (en) 2011-03-16 2020-04-28 Amkor Technology, Inc. Packaging for fingerprint sensors and methods of manufacture
US9406580B2 (en) 2011-03-16 2016-08-02 Synaptics Incorporated Packaging for fingerprint sensors and methods of manufacture
USRE47890E1 (en) 2011-03-16 2020-03-03 Amkor Technology, Inc. Packaging for fingerprint sensors and methods of manufacture
US9195877B2 (en) 2011-12-23 2015-11-24 Synaptics Incorporated Methods and devices for capacitive image sensing
US9251329B2 (en) 2012-03-27 2016-02-02 Synaptics Incorporated Button depress wakeup and wakeup strategy
US9697411B2 (en) 2012-03-27 2017-07-04 Synaptics Incorporated Biometric object sensor and method
US9824200B2 (en) 2012-03-27 2017-11-21 Synaptics Incorporated Wakeup strategy using a biometric sensor
US9137438B2 (en) 2012-03-27 2015-09-15 Synaptics Incorporated Biometric object sensor and method
US10346699B2 (en) 2012-03-28 2019-07-09 Synaptics Incorporated Methods and systems for enrolling biometric data
US9600709B2 (en) 2012-03-28 2017-03-21 Synaptics Incorporated Methods and systems for enrolling biometric data
US9665762B2 (en) 2013-01-11 2017-05-30 Synaptics Incorporated Tiered wakeup strategy

Also Published As

Publication number Publication date
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