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Title
Japanese: 
English:Cooperative Estimation of 3D Target Object Motion via Networked Visual Motion Observers 
Author
Japanese: 畑中 健志, 平田 研二, 藤田 政之.  
English: T. Hatanaka, K. Hirata, M. Fujita.  
Language English 
Journal/Book name
Japanese: 
English:Proc. of The 50th IEEE Conference on Decision and Control and European Control Conference 
Volume, Number, Page         pp. 4979-4984
Published date Dec. 14, 2011 
Publisher
Japanese: 
English:IEEE 
Conference name
Japanese: 
English:The 50th IEEE Conference on Decision and Control and European Control Conference 
Conference site
Japanese:オーランド 
English:Orlando 
DOI https://doi.org/10.1109/CDC.2011.6160515
Abstract This paper addresses cooperative estimation of 3D target motion for visual sensor networks. In one of our previous works, we already presented a cooperative estimation algorithm called networked visual motion observers. In this paper, we first clarify averaging accuracy attained by the networked estimation mechanism. Then, we analyze convergence speed of the estimates and clarify a relation of the speed to the graph structures. Moreover, we also reveal a tracking performance of the estimates to target objects motion and derive a connection between the tracking performance and a visual feedback gain in the algorithm. Finally the effectiveness of the present estimation algorithm is demonstrated through experiments.

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