Human motion recognition based on features and models selected HMM

Haixiang Lu; Hongjun Zhou

doi:10.1117/12.2087230

4 March 2015 Human motion recognition based on features and models selected HMM

Haixiang Lu, Hongjun Zhou

Proceedings Volume 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I; 952107 (2015) https://doi.org/10.1117/12.2087230
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held August-October 2014, 2014, China, China

Abstract

This paper research on the motion recognition based on HMM with Kinect. Kinect provides skeletal data consist of 3D body joints with its lower price and convenience. In this work, several methods are used to determine the optimal subset of features among Cartesian coordinates, distance to hip center, velocity, angle and angular velocity, in order to improve the recognition rate. K-means is used for vector quantization and HMM is used as recognition method. HMM is an effective signal processing method which contains time calibration, provides a learning mechanism and recognition ability. Cluster numbers of K-means, structure and state numbers of HMM are optimized as well. The proposed methods are applied to the MSR Action3D dataset. Results show that the proposed methods obtain better recognition accuracy than the state of the art methods.

Citation Download Citation

Haixiang Lu and Hongjun Zhou "Human motion recognition based on features and models selected HMM", Proc. SPIE 9521, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics 2014, Part I, 952107 (4 March 2015); https://doi.org/10.1117/12.2087230

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KEYWORDS

Motion models

Principal component analysis

Feature selection

Data modeling

Detection and tracking algorithms

Feature extraction

Infrared cameras

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