Study and application of body shape recognition based on depth image

Yu-chong Han; Jun Qin; Yu-nong Li; Jun-jun Tao; Qin Fei

doi:10.1117/12.2054152

21 February 2014 Study and application of body shape recognition based on depth image

Yu-chong Han, Jun Qin, Yu-nong Li, Jun-jun Tao, Qin Fei

Proceedings Volume 9142, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics: Optical Imaging, Remote Sensing, and Laser-Matter Interaction 2013; 91420J (2014) https://doi.org/10.1117/12.2054152
Event: Selected Proceedings of the Photoelectronic Technology Committee Conferences held July-December 2013, 2013, SuZhou, China

Abstract

Depth images have advantages of simple processing, fog penetration, and little affection by light, thus a body shape detection algorithm based on depth image was proposed to judge personnel evacuation. This study started by making body shape dataset using a depth sensor, then extracting the HOG-depth feature. The best parameters were found, including the range of gradient direction and the number of bins. Next step was to train and classify the body shape dataset using different classifiers, and gentle Adaboost algorithm based on CART weak classifiers got the best result. Then we discussed the effect of traversal method of sliding window, and found a better pixel number of every moving step. At last, the intellectualized control method under actual personnel evacuating situation was completed from the view of software implementation.

Citation Download Citation

Yu-chong Han, Jun Qin, Yu-nong Li, Jun-jun Tao, and Qin Fei "Study and application of body shape recognition based on depth image", Proc. SPIE 9142, Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics: Optical Imaging, Remote Sensing, and Laser-Matter Interaction 2013, 91420J (21 February 2014); https://doi.org/10.1117/12.2054152

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KEYWORDS

Detection and tracking algorithms

Cameras

Sensors

Control systems

Infrared imaging

Infrared radiation

Camera shutters

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