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View-independent Hand Posture Recognition from Single Depth Images Using PCA and Flusser Moments

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2 Author(s)
Gallo, L. ; Inst. of High-Performance Comput. & Networking (ICAR), Naples, Italy ; Placitelli, A.P.

This paper presents a view-independent hand pose recognition system, which allows the recognition of a limited set of predefined postures from single, low resolution depth images in real time on standard hardware in unconstrained environments. The system consists of three modules: hand segmentation and pose compensation, feature extraction and processing, and hand pose recognition. We use principal component analysis to estimate the hand orientation in space and Flusser moment invariants as image features for visual recognition. The implementation details, classification accuracy and performance measures of the recognition system are reported and discussed. The experimental results show that the system can recognize the pose of two hands at full frame rate with an average total latency lower than 5 ms.

Published in:

Signal Image Technology and Internet Based Systems (SITIS), 2012 Eighth International Conference on

Date of Conference:

25-29 Nov. 2012