Patents by Inventor N. Nikki Mirghafori

N. Nikki Mirghafori has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Systems, methods, and media for generating hierarchical fused risk scores
    Patent number: 8903859
    Abstract: Systems, methods, and media for generating fused risk scores for determining fraud in call data are provided herein. Some exemplary methods include generating a fused risk score used to determine fraud from call data by generating a fused risk score for a leg of call data, via a fuser module of an analysis system, the fused risk score being generated by fusing together two or more uniquely calculated fraud risk scores, each of the uniquely calculated fraud risk scores being generated by a sub-module of the analysis system; and storing the fused risk score in a storage device that is communicatively couplable with the fuser module.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: December 2, 2014
    Assignee: Verint Americas Inc.
    Inventors: Torsten Zeppenfeld, N. Nikki Mirghafori, Lisa Guerra, Richard Gutierrez, Anthony Rajakumar
  • SYSTEMS, METHODS, AND MEDIA FOR GENERATING HIERARCHICAL FUSED RISK SCORES
    Publication number: 20120254243
    Abstract: Systems, methods, and media for generating fused risk scores for determining fraud in call data are provided herein. Some exemplary methods include generating a fused risk score used to determine fraud from call data by generating a fused risk score for a leg of call data, via a fuser module of an analysis system, the fused risk score being generated by fusing together two or more uniquely calculated fraud risk scores, each of the uniquely calculated fraud risk scores being generated by a sub-module of the analysis system; and storing the fused risk score in a storage device that is communicatively couplable with the fuser module.
    Type: Application
    Filed: March 8, 2012
    Publication date: October 4, 2012
    Inventors: Torsten Zeppenfeld, N. Nikki Mirghafori, Lisa Guerra, Richard Gutierrez, Anthony Rajakumar
  • Method and system for on-line unsupervised adaptation in speaker verification
    Patent number: 6804647
    Abstract: The present invention introduces a system and method for unsupervised, on-line, adaptation in speaker verification. In one embodiment, a method for adapting a speaker model to improve the verification of a speaker's voice, comprises detecting a channel of a verification utterance; learning vocal characteristics of the speaker on the detected channel; and transforming the learned vocal characteristics of the speaker from the detected channel to the speaker model of a second channel.
    Type: Grant
    Filed: March 13, 2001
    Date of Patent: October 12, 2004
    Assignee: Nuance Communications
    Inventors: Larry Paul Heck, N. Nikki Mirghafori