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A Novel 3D Gradient LBP Descriptor for Action Recognition

Zhaoyang GUO, Xin'an WANG, Bo WANG, Zheng XIE

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Summary :

In the field of action recognition, Spatio-Temporal Interest Points (STIPs)-based features have shown high efficiency and robustness. However, most of state-of-the-art work to describe STIPs, they typically focus on 2-dimensions (2D) images, which ignore information in 3D spatio-temporal space. Besides, the compact representation of descriptors should be considered due to the costs of storage and computational time. In this paper, a novel local descriptor named 3D Gradient LBP is proposed, which extends the traditional descriptor Local Binary Patterns (LBP) into 3D spatio-temporal space. The proposed descriptor takes advantage of the neighbourhood information of cuboids in three dimensions, which accounts for its excellent descriptive power for the distribution of grey-level space. Experiments on three challenging datasets (KTH, Weizmann and UT Interaction) validate the effectiveness of our approach in the recognition of human actions.

Publication
IEICE TRANSACTIONS on Information Vol.E100-D No.6 pp.1388-1392
Publication Date
2017/06/01
Publicized
2017/03/02
Online ISSN
1745-1361
DOI
10.1587/transinf.2017EDL8006
Type of Manuscript
LETTER
Category
Image Recognition, Computer Vision

Authors

Zhaoyang GUO
  Shenzhen Graduate School, Peking University
Xin'an WANG
  Shenzhen Graduate School, Peking University
Bo WANG
  Shenzhen Graduate School, Peking University
Zheng XIE
  Shenzhen Graduate School, Peking University

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