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Sensors 2016, 16(3), 421; doi:10.3390/s16030421

Analysis of Camera Arrays Applicable to the Internet of Things

1
School of Electronic Information Engineering, Tianjin University, 92 Weijin Road, Tianjin 300072, China
2
Tianjin International Engineering Institute, Tianjin University, 92 Weijin Road, Tianjin 300072, China
3
SIAT, Chinese Academy of Science, Shenzhen 518000, China
4
Department of Electrical and Computer Engineering, West Virginia University, Montgomery, WV 25136, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Paolo Bellavista
Received: 10 December 2015 / Revised: 7 March 2016 / Accepted: 16 March 2016 / Published: 22 March 2016
(This article belongs to the Section Sensor Networks)
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Abstract

The Internet of Things is built based on various sensors and networks. Sensors for stereo capture are essential for acquiring information and have been applied in different fields. In this paper, we focus on the camera modeling and analysis, which is very important for stereo display and helps with viewing. We model two kinds of cameras, a parallel and a converged one, and analyze the difference between them in vertical and horizontal parallax. Even though different kinds of camera arrays are used in various applications and analyzed in the research work, there are few discussions on the comparison of them. Therefore, we make a detailed analysis about their performance over different shooting distances. From our analysis, we find that the threshold of shooting distance for converged cameras is 7 m. In addition, we design a camera array in our work that can be used as a parallel camera array, as well as a converged camera array and take some images and videos with it to identify the threshold. View Full-Text
Keywords: Internet of Things; sensors; stereo capture; camera array model; parallel cameras; converged cameras; 3D display Internet of Things; sensors; stereo capture; camera array model; parallel cameras; converged cameras; 3D display
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Yang, J.; Xu, R.; Lv, Z.; Song, H. Analysis of Camera Arrays Applicable to the Internet of Things. Sensors 2016, 16, 421.

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