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We have developed a fast target tracking system that utilizes four cameras with lenses of different focal lengths to track an object without blurring images, even when the object moves in the depth direction away from the cameras in three-dimensional (3-D) space. This system can maintain a well-focused camera view by switching among the four input images,(More)
RESEARCH ARTICLE The VPF Harmonic Analysis Algorithm Based on Quasi-Synchronous DFT Zhongjun Fu, Jianyu Wang, Yun Ou, Genyuan Zhou, Feng'e Bai and Xiaorong Zhao School of Automation, Nanjing University of Science and Technology, Nanjing, 210094 China Changzhou Foreign Languages School, Changzhou 213017, China School of Computer Engineering, Jiangsu(More)
The automatic monitoring system of communication base which is an important means to realize modernization of mobile communication base station management. In this paper, we implement a monitoring system for communication base with three essential functions which are telemetry, remote control and communication. In this system, data acquisition unit, data(More)
While existing image retrieval techniques primarily use distance to judge whether two images are similar or not, we propose to introduce an additional rotational correlation test to formulate a combined content similarity detection. We show that, with the same content based image retrieval algorithm, adding rotational correlation to the existing operational(More)
Vehicle shadow and superposition have a great influence on the accuracy of vehicles detection in traffic video. Many background models have been proposed and improved to deal with detection moving object. This paper presented a method which improves Gaussian mixture model to get adaptive background. The HSV color space was used to eliminate vehicle shadow,(More)
In this paper, we propose to introduce an additional rotational correlation test to formulate a combined content similarity detection. We show that, with the same content based image retrieval algorithm, adding rotational correlation and chain code to the existing operational process can improve the performance of content based image retrieval(More)
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