Vikas C Raykar

US Patent:

7035757, Apr 25, 2006

Filed:

May 9, 2003

Appl. No.:

10/435231

Inventors:

Vikas C. Raykar - Sunnyvale CA, US
Igor Kozintsev - San Jose CA, US
Rainer Lienhart - Santa Clara CA, US

Assignee:

Intel Corporation - Santa Clara CA

International Classification:

G01C 17/00
G01C 19/00

US Classification:

702150

Abstract:

A first computing device transmitting a wireless signal to a second and third computing devices, the signal requesting an actuator of the second computing device generate an acoustic signal to be received by a sensor of the third computing device, wherein the actuator and sensor are unsynchronized. The first computing device computes, based on an time estimate for the acoustic signal to travel from the actuator of the second computing device to the sensor of the third computing device, a physical location of the actuator of the second computing device and the sensor of the third computing device.

US Patent:

8131039, Mar 6, 2012

Filed:

Sep 26, 2008

Appl. No.:

12/238536

Inventors:

Balaji Krishnapuram - King of Prussia PA, US
Vikas C. Raykar - Conshohocken PA, US
Murat Dundar - Malvern PA, US
R. Bharat Rao - Berwyn PA, US

Assignee:

Siemens Medical Solutions USA, Inc. - Malvern PA

International Classification:

G06K 9/00

US Classification:

382128, 382160

Abstract:

A method for training a classifier for classifying candidate regions in computer aided diagnosis of digital medical images includes providing a training set of images, each image including one or more candidate regions that have been identified as suspicious by a computer aided diagnosis system. Each image has been manually annotated to identify malignant regions. Multiple instance learning is applied to train a classifier to classify suspicious regions in a new image as malignant or benign by identifying those candidate regions that overlap a same identified malignant region, grouping each candidate region that overlaps the same identified malignant region into a same bag, and maximizing a probability.

US Patent:

RE44737, Jan 28, 2014

Filed:

Apr 25, 2008

Appl. No.:

12/110216

Inventors:

Vikas C. Raykar - Conshohocken PA, US
Igor Kozintsev - San Jose CA, US
Rainer Lienhart - Friedberg, DE

Assignee:

Marvell World Trade Ltd. - St. Michael

International Classification:

G01C 19/00
G01C 17/00

US Classification:

702150, 702152

Abstract:

A first computing device transmitting a wireless signal to a second and third computing devices, the signal requesting an actuator of the second computing device generate an acoustic signal to be received by a sensor of the third computing device, wherein the actuator and sensor are unsynchronized. The first computing device computes, based on an time estimate for the acoustic signal to travel from the actuator of the second computing device to the sensor of the third computing device, a physical location of the actuator of the second computing device and the sensor of the third computing device.

US Patent:

20050065740, Mar 24, 2005

Filed:

Sep 18, 2003

Appl. No.:

10/666662

Inventors:

Vikas Raykar - Hyattsville MD, US
Rainer Lienhart - Santa Clara CA, US
Igor Kozintsev - San Jose CA, US

International Classification:

G01R015/00

US Classification:

702057000, 703019000

Abstract:

A method, machine readable medium, and system are disclosed. In one embodiment the method comprises generating an acoustic signal from an actuator of a first computing device, receiving the acoustic signal with a sensor of a second computing device, receiving the acoustic signal with a sensor of a third computing device, generating an estimate of a difference between the amount of time required for the acoustic signal to travel from the actuator of the first computing device to the sensor of the second computing device and the amount of time required for the acoustic signal to travel from the actuator of the first computing device to the sensor of the third computing device, wherein the sensors and actuator are unsynchronized, and computing, based on the estimated difference in time, a physical location of at least one of the said sensors and actuator.

US Patent:

20120088981, Apr 12, 2012

Filed:

Oct 6, 2011

Appl. No.:

13/267095

Inventors:

Meizhu Liu - Gainesville FL, US
Le Lu - Chalfont PA, US
Vikas C. Raykar - Conshohocken PA, US
Marcos Salganicoff - Bala Cynwyd PA, US
Matthias Wolf - Coatesville PA, US

Assignee:

SIEMENS MEDICAL SOLUTIONS USA, INC. - Malvern PA

International Classification:

A61B 5/00
G06K 9/00

US Classification:

600300, 382131

Abstract:

Described herein is a framework for multi-view matching of regions of interest in images. According to one aspect, a processor receives first and second digitized images, as well as at least one CAD finding corresponding to a detected region of interest in the first image. The processor determines at least one candidate location in the second image that matches the CAD finding in the first image. The matching is performed based on local appearance features extracted for the CAD finding and the candidate location. In accordance with another aspect, the processor receives digitized training images representative of at least first and second views of one or more regions of interest. Feature selection is performed based on the training images to select a subset of relevant local appearance features to represent instances in the first and second views. A distance metric is then learned based on the subset of local appearance features. The distance metric may be used to perform matching of the regions of interest.