A Localized Coverage Preserving Protocol for Wireless Sensor Networks (2009)
Yuheng Liu, Juhua Pu, Shuo Zhang, Yunlu Liu, Zhang Xiong
In a randomly deployed and large scale wireless sensor network, coverage-redundant nodes consume much unnecessary energy. As a result, turning off these redundant nodes can prolong the network...
Minimizing Detection Probability Routing in Ad Hoc Networks Using Directional Antennas (2009)
Xiaofeng Lu, Don Towsley, Fletcher Wicker, Zhang Xiong
In a hostile environment, it is important for a transmitter to make its wireless transmission invisible to adversaries because an adversary can detect the transmitter if the received power at its...
Minimizing Detection Probability Routing in Ad Hoc Networks Using Directional Antennas (2009)
Xiaofeng Lu, Don Towsley, Pietro Lio', Fletcher Wicker, Zhang Xiong
In a hostile environment, it is important for a transmitter to make its wireless transmission invisible to adversaries because an adversary can detect the transmitter if the received power at its...
Zhang, Ting, Chen, Zhenyong, Ouyang, Yuanxin, Hao, Jiuyue, Xiong, Zhang
The location awareness is a crucial foundation for perceptions of the surroundings in the smart environment. Radio frequency identification (RFID), as one of the most promising technologies, plays a...
An Automatic Video Text Detection, Localization and Extraction Approach (2008)
Chengjun Zhu, Yuanxin Ouyang, Lei Gao, Zhenyong Chen, Zhang Xiong
Abstract. Text in video is a very compact and accurate clue for video indexing and summarization. This paper presents an algorithm regarding word group as a special symbol to detect, localize and...
VeXQuery: An XQuery Extension for MPEG-7 Vectorbased Feature Query (2008)
Ling Xue, Chao Li, Yu Wu, Zhang Xiong
Abstract. MPEG-7 (Multimedia Content Description Interface) is a standard for describing the content of multimedia data and adopts XML (eXtensible Markup Language) Schema as its Description...