1
Rudolf M Bolle, Nalini K Ratha, Andrew Senior: To a combined fingerprint acquisition and control device. International Business Machines Corporation, Whitham Curtis & Christofferson P C, Louis J Percello, September 6, 2005: US06941001 (103 worldwide citation)

The present invention combines the functionality of a computer pointing device with a fingerprint authentication system, In the preferred embodiment, by regularly scanning fingerprints acquired from the pointing device touch pad, fingerprint features may be extracted and compared to stored data on a ...


2
Rudolf Maarten Bolle, Jonathan H Connell, Nalini K Ratha: System and method for distorting a biometric for transactions with enhanced security and privacy. International Business Machines Corporation, Louis J Percello Esq, December 28, 2004: US06836554 (93 worldwide citation)

Authentication methods are very important in several applications. Existing methods of authentication based on possessions or knowledge have several problems that can be overcome by using biometrics. Unfortunately biometrics-based authentication is unrevocable today and has many privacy concerns in ...


3
Rudolf Maarten Bolle, Jonathan Hudson Connell, Nalini K Ratha: System and method for liveness authentication using an augmented challenge/response scheme. International Business Machines Corporation, Louis J Percello Esq, February 1, 2005: US06851051 (84 worldwide citation)

An integrated signal sensor with processing power to augment a challenge from server and compute the response is proposed to guarantee that the sensed signal is live and not stored. The sensor-processor computes the response to the augmented challenge based on the signal charactersitics of the sense ...


4
Rudolf Maarten Bolle, Jonathan H Connell, Nalini K Ratha, Louis J Percello: Business system and method using a distorted biometrics. Lenovo, John L Rogitz, October 10, 2006: US07120607 (57 worldwide citation)

A method of doing business is disclosed that transforms a biometric used by a user in a transaction. The transformation creates a distorted biometric. The distorted biometric is used to identify the user to another party without requiring the user to provide actual physical or behavioral characteris ...


5
Rudolf M Bolle, Chitra Dorai, Sunil J Noronha, Nalini K Ratha: System and method for multi-party validation, authentication and/or authorization via biometrics. International Business Machines Corporation, Satheesh K Karra, Harrington & Smith, October 31, 2006: US07130452 (45 worldwide citation)

A system and method for multi-party authentication is described. The multi-party authentication process uses synchronous and persistent biometrics signals received from parties to a transaction, based on a policy, to approve a transaction request. The biometrics signals preferably are expressed as c ...


6
Rudolf Maarten Bolle, Chitra Dorai, Nalini K Ratha: System and method for distortion characterization in fingerprint and palm-print image sequences and using this distortion as a behavioral biometrics. International Business Machines Corporation, May 30, 2006: US07054470 (35 worldwide citation)

This invention uses a novel biometrics, called resultant fingerprints and palm-prints, for authentication. The novel biometrics are consecutive traditional print images where the subject physically changes the appearance of the print images by rotating or rotating and translating, or rotating, trans ...


7
Rudolf M Bolle, Jonathan H Connell II, Nalini K Ratha: Projection of light patterns for liveness verification of biometrics. International Business Machines Corporation, Cantor Colburn, Joseph Jones, March 24, 2009: US07508960 (22 worldwide citation)

The biometric system disclosed herein comprises device for providing a pattern; the device having a source of light and a source for providing a pattern. The source of light is operative to illuminate an object with light. An imaging device is disposed at a different location from the source of ligh ...


8
Rudolf M Bolle, Sharathchandra U Pankanti, Nalini K Ratha, Andrew W Senior: System and method for remote self-enrollment in biometric databases. International Business Machines Corporation, Anne Dougherty, Roberts Mlotkowski Safran & Cole P C, October 23, 2012: US08296573 (13 worldwide citation)

A method and system is provided to provide enrollment of biometric data from individuals without the need for the enrollees to travel to a central location. The system and method provides for optionally detecting multiple types of biometric data, for example, fingerprints, facial scan, visual scan, ...


9
Rudolf M Bolle, Sharat S Chikkerur, Jonathan H Connell, Nalini K Ratha: Method, system, and program product for transforming a biometric image. International Business Machines Corporation, Preston J Young, Hoffman Warnick, October 26, 2010: US07822238 (11 worldwide citation)

The invention provides a method, system, and program product for transforming a multi-dimensional biometric feature point set. More particularly, the invention provides a method for transforming a biometric image using surface folding of the image. In one embodiment, the invention provides a method ...


10
Rudolf M Bolle, Jonathan H Connell, Tsai Yang Jea, Nalini K Ratha: Anonymous and revocable fingerprint recognition. International Business Machines Corporation, Tutunjian & Bitetto P C, Preston J Young Esq, August 21, 2012: US08249314 (10 worldwide citation)

A biometric representation of a fingerprint from which the original biometric cannot be recovered (privacy) and which can be canceled and reissued. For example, based on an individual's token, the representation can be scrambled uniquely to the individual. From the scrambled biometric representation ...