Hui H Cheng

US Patent:

8634638, Jan 21, 2014

Filed:

Jun 22, 2009

Appl. No.:

12/488911

Inventors:

Feng Han - Melville NY, US
Hui Cheng - Bridgewater NJ, US
Jiangjian Xiao - Plainsboro NJ, US
Harpreet Singh Sawhney - West Windsor NJ, US
Rakesh Kumar - Monmouth Junction NJ, US
Yanlin Guo - Vienna VA, US

Assignee:

SRI International - Menlo Park CA

International Classification:

G06K 9/62

US Classification:

382159

Abstract:

The present invention relates to a method and system for creating a strong classifier based on motion patterns wherein the strong classifier may be used to determine an action being performed by a body in motion. When creating the strong classifier, action classification is performed by measuring similarities between features within motion patterns. Embodiments of the present invention may utilize candidate part-based action sets and training samples to train one or more weak classifiers that are then used to create a strong classifier.

US Patent:

20090177633, Jul 9, 2009

Filed:

Dec 11, 2008

Appl. No.:

12/332661

Inventors:

Chumki Basu - East Brunswick NJ, US
Hui Cheng - Bridgewater NJ, US

International Classification:

G06F 17/30

US Classification:

707 3, 707E17014

Abstract:

A computer implemented method for retrieving video clips from a database is disclosed. The method may include retrieving in an initial query from a video collection based on a search term; receiving a user selection of at least one video clip from a first set of video clips corresponding to the search term; associating at least one visual attribute of the selected video clip with the search term; receiving the at least one search term from a user in a subsequent query; determining a set of physical concepts based on the at least one search term; mapping the set of physical concepts to a plurality of visual attributes; searching the database for at least one video clip corresponding to the plurality of visual attributes; identifying at least one video clip in the database having the plurality of visual attributes; and returning a second set of video clips having the set of visual attributes to the user, the second set including the at least one video clip.