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Sensors 2015, 15(10), 25103-25122; doi:10.3390/s151025103

The Video Collaborative Localization of a Miner’s Lamp Based on Wireless Multimedia Sensor Networks for Underground Coal Mines

School of Electronic and Information Engineering, Beijing Jiaotong University, Beijing 100044, China
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Author to whom correspondence should be addressed.
Academic Editor: Leonhard M. Reindl
Received: 25 August 2015 / Revised: 14 September 2015 / Accepted: 23 September 2015 / Published: 29 September 2015
(This article belongs to the Section Sensor Networks)
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Abstract

Based on wireless multimedia sensor networks (WMSNs) deployed in an underground coal mine, a miner’s lamp video collaborative localization algorithm was proposed to locate miners in the scene of insufficient illumination and bifurcated structures of underground tunnels. In bifurcation area, several camera nodes are deployed along the longitudinal direction of tunnels, forming a collaborative cluster in wireless way to monitor and locate miners in underground tunnels. Cap-lamps are regarded as the feature of miners in the scene of insufficient illumination of underground tunnels, which means that miners can be identified by detecting their cap-lamps. A miner’s lamp will project mapping points on the imaging plane of collaborative cameras and the coordinates of mapping points are calculated by collaborative cameras. Then, multiple straight lines between the positions of collaborative cameras and their corresponding mapping points are established. To find the three-dimension (3D) coordinate location of the miner’s lamp a least square method is proposed to get the optimal intersection of the multiple straight lines. Tests were carried out both in a corridor and a realistic scenario of underground tunnel, which show that the proposed miner’s lamp video collaborative localization algorithm has good effectiveness, robustness and localization accuracy in real world conditions of underground tunnels. View Full-Text
Keywords: wireless multimedia sensor networks (WMSNs); video collaborative localization; underground coal mine; miner’s lamp wireless multimedia sensor networks (WMSNs); video collaborative localization; underground coal mine; miner’s lamp
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

You, K.; Yang, W.; Han, R. The Video Collaborative Localization of a Miner’s Lamp Based on Wireless Multimedia Sensor Networks for Underground Coal Mines. Sensors 2015, 15, 25103-25122.

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