The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2015
Filed:
Sep. 17, 2010
Kuang-man Huang, San Jose, CA (US);
Ming-chang Liu, San Jose, CA (US);
Liangyin Yu, Fremont, CA (US);
Kuang-Man Huang, San Jose, CA (US);
Ming-Chang Liu, San Jose, CA (US);
Liangyin Yu, Fremont, CA (US);
SONY CORPORATION, Tokyo, JP;
Abstract
A gesture recognition system using a skin-color based method combined with motion information to achieve real-time segmentation. A Kalman filter is used to track the centroid of the hand. The palm center, palm bottom, as well as the largest distance from the palm center to the contour from extracted hand mask are computed. The computed distance to a threshold is then compared to decide if the current posture is 'open' or 'closed.' In a preferred embodiment, the transition between the “open” and “closed” posture to decide if the current gesture is in “select” or “grab” state.