BoMW: Bag of Manifold Words for One-Shot Learning Gesture Recognition From Kinect

In this paper, we study one-shot learning gesture recognition on RGB-D data recorded from Microsoft's Kinect. To this end, we propose a novel bag of manifold words (BoMW)-based feature representation on symmetric positive definite (SPD) manifolds. In particular, we use covariance matrices to ex...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems for video technology Vol. 28; no. 10; pp. 2562 - 2573
Main Authors: Zhang, Lei, Zhang, Shengping, Jiang, Feng, Qi, Yuankai, Zhang, Jun, Guo, Yuliang, Zhou, Huiyu
Format: Journal Article
Language:English
Published: New York IEEE 01.10.2018
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Coding
covariance descriptor
Covariance matrix
Encoding
Euclidean geometry
Euclidean space
Feature extraction
Gesture recognition
Hidden Markov models
kernel sparse coding
Learning
Manifolds
Mathematical analysis
Matrix methods
Representations
reproducing kernel Hilbert space
Riemannian manifold
Shape
State of the art
Teaching methods
Three-dimensional displays
Video data
ISSN:1051-8215, 1558-2205
Online Access:Get full text
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Summary:In this paper, we study one-shot learning gesture recognition on RGB-D data recorded from Microsoft's Kinect. To this end, we propose a novel bag of manifold words (BoMW)-based feature representation on symmetric positive definite (SPD) manifolds. In particular, we use covariance matrices to extract local features from RGB-D data due to its compact representation ability as well as the convenience of fusing both RGB and depth information. Since covariance matrices are SPD matrices and the space spanned by them is the SPD manifold, traditional learning methods in the Euclidean space, such as sparse coding, cannot be directly applied to them. To overcome this problem, we propose a unified framework to transfer the sparse coding on SPD manifolds to the one on the Euclidean space, which enables any existing learning method to be used. After building BoMW representation on a video from each gesture class, a nearest neighbor classifier is adopted to perform the one-shot learning gesture recognition. Experimental results on the ChaLearn gesture data set demonstrate the outstanding performance of the proposed one-shot learning gesture recognition method compared against the state-of-the-art methods. The effectiveness of the proposed feature extraction method is also validated on a new RGB-D action recognition data set.
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ISSN:1051-8215
1558-2205
DOI:10.1109/TCSVT.2017.2721108