Nora T Tgavalekos

US Patent:

8260052, Sep 4, 2012

Filed:

Nov 30, 2010

Appl. No.:

12/956637

Inventors:

Brian J. Scannell - Cambridge MA, US
Kenric P. Nelson - Hollis NH, US
Nora T. Tgavalekos - Tewksbury MA, US
Ethan Phelps - Arlington MA, US

Assignee:

Raytheon Company - Waltham MA

International Classification:

G06K 9/00

US Classification:

382181, 342 90

Abstract:

The technology described herein includes a system and/or a method for identifying an object. The technology includes determining an alpha parameter that is associated with a fusion function. The technology includes determining a beta parameter that is associated with a degree of expected independence of a received set of data and the received set of data including information associated with a classification of the object. The technology includes fusing the received set of data based on the alpha parameter and the beta parameter. The technology includes generating a probability of identification of the classification of the object based on the fused data.

US Patent:

8468111, Jun 18, 2013

Filed:

Nov 30, 2010

Appl. No.:

12/956515

Inventors:

Nora T. Tgavalekos - Tewksbury MA, US
Brian J. Scannell - Cambridge MA, US
Elizabeth M. Begin - Billerica MA, US
George C. Adams - Holliston MA, US
Samuel H. Rosenthal - Lowell MA, US
Seanna J. Gittler - Denver CO, US
Eric Scheid - Wilmington MA, US
Arthur B. Johnson - Andover MA, US
Kenric P. Nelson - Hollis NH, US

Assignee:

Raytheon Company - Waltham MA

International Classification:

G06F 17/00

US Classification:

706 45

Abstract:

The technology described herein includes a system and/or a method for determining confidence of object identification. The technology includes selecting at least one confidence rule from a plurality of confidence rules based on a first discrimination identification and a second discrimination identification. The technology further includes generating an object confidence weight based on one or more first identification parameters, one or more second identification parameters, and the selected at least one confidence rule. The technology further includes fusing the received set of data based on an alpha parameter, a beta parameter, and the object confidence weight. The technology further includes generating a probability of identification of a classification of the object based on the fused data.

US Patent:

20080132757, Jun 5, 2008

Filed:

Dec 1, 2006

Appl. No.:

11/566021

Inventors:

Nora T. Tgavalekos - Tewksbury MA, US

Assignee:

GENERAL ELECTRIC COMPANY - Schenectady NY

International Classification:

A61B 1/012

US Classification:

600104, 600117, 600116

Abstract:

A system and method from minimally invasive lung surgery employ a bronchoscope with a multi-channel catheter disposed in a channel of the bronchoscope. A transmitting antenna disposed at a distal end of the multi-channel catheter allows the distal end to be tracked in a tracking image during a surgical procedure.

US Patent:

20080287802, Nov 20, 2008

Filed:

Oct 3, 2007

Appl. No.:

11/866865

Inventors:

Dun Alex Li - Salem NH, US
Nora T. Tgavalekos - Tewksbury MA, US
Jonathan David Schiff - Andover MA, US

Assignee:

GENERAL ELECTRIC COMPANY - Schenectady NY

International Classification:

A61B 8/14

US Classification:

600463

Abstract:

A method for minimizing tracking system interference caused by a motor driven ultrasonic imaging device is disclosed herein. The method includes providing an ultrasonic imaging device adapted to obtain a generally real time three-dimensional image. The ultrasonic imaging device includes a motor configured to rotate a transducer array within a catheter housing. The method for minimizing tracking system interference also includes estimating a noise signal produced by the motor, selecting a tracking system signal strength and/or frequency adapted to minimize a tracking system interference, and implementing a field generator to produce a tracking system signal at the selected tracking system signal strength and/or frequency.

US Patent:

20080287860, Nov 20, 2008

Filed:

Nov 6, 2007

Appl. No.:

11/935479

Inventors:

Nora T. Tgavalekos - Tewksbury MA, US
Dun Alex Li - Salem NH, US
Peter Traneus Anderson - Andover MA, US
Jonathan David Schiff - Andover MA, US

Assignee:

GENERAL ELECTRIC COMPANY - Schenectady NY

International Classification:

A61M 25/095

US Classification:

604 22

Abstract:

A surgical navigation system including an ultrasound catheter is disclosed herein. The ultrasound catheter includes a flexible catheter housing defining a distal end, a transducer array disposed at least partially within the catheter housing, and a motor coupled with the transducer array. The motor is configured to rotate the transducer array in order to image a three-dimensional volume. The ultrasound catheter also includes a tracking element adapted to provide an estimate of a position and/or orientation of the distal end of the catheter housing. The tracking element is disposed within the catheter housing and immediately adjacent to the distal end.

US Patent:

20090118620, May 7, 2009

Filed:

Aug 28, 2008

Appl. No.:

12/200587

Inventors:

Nora T. Tgavalekos - Tewksbury MA, US
Peter Traneus Anderson - Andover MA, US
Dun Alex Li - Salem NH, US
Jonathan David Schiff - Andover MA, US

Assignee:

GENERAL ELECTRIC COMPANY - Schenectady NY

International Classification:

A61B 8/14

US Classification:

600463

Abstract:

A surgical navigation system including an ultrasound catheter is disclosed herein. The ultrasound catheter includes a flexible catheter housing defining a distal end, a transducer array disposed at least partially within the catheter housing, and a motor coupled with the transducer array. The motor is configured to rotate the transducer array in order to image a three-dimensional (3D) volume. The ultrasound catheter also includes at least one tracking element adapted to provide an estimate of a position and orientation of the distal end of the catheter housing. The at least one tracking element is disposed within the catheter housing and located immediately adjacent to the distal end.