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The penetration of mobile devices equipped with various embedded sensors also make it possible to capture the physical and virtual context of the user and surrounding environment. Further, the modeling of human behaviors based on those data becomes very important due to the increasing popularity of context-aware computing and people-centric applications, which utilize users' behavior pattern to improve...
Considering problems of the present LED street light controller, we present a method that uses active ultrasonic localization system in LED street light controller to realize energy-saving and intelligent control. Based on binaural effect, we establish a localization model, which can realize real time localization by signals of binaural time difference and binaural level difference. We obtain the...
The development and utilization of such complicated variable radial sand ridge tidal flat lies on the comprehension of its current situation, variation characteristics and laws. This paper approaches of remote sensing and Geographical Information System not only make the anatomizing to the radial sand ridges evolution laws more scientific and reasonable, but also extend the use of remote sensing technology...
Mapping and localization for indoor robotic navigation is a well-studied field. However, existing work largely relies on long range perceptive sensors in addition to the robot's odometry, and little has been done with short range sensors. In this paper, we propose a method for real-time indoor mapping using only short range sensors such as bumpers and/or wall sensors that enable wall-following. The...
In order to obtain a better result, a better method of system identification should be adopted in soft sensing process of chemical industry. Fuzzy neural network has the advantages that fuzzy logic systems and neural networks essentially have respectively, it avoids the shortcomings they respectively have to some extent. An improved T-S fuzzy neural network is proposed in this paper, which promotes...
Virtual world conferences have been shown to give users an increased sense of presence in a collaboration as opposed to teleconferences, video-conferences and web-conferences. Such telepresence encourages remote participants to engage in the collaboration. Current virtual world collaboration applications rely on mouse/keyboard interfaces to create pure-virtual collaborations. In this paper we propose...
Wireless sensor networks (WSNs) can be used in many applications. Object tracking is one of the most important applications. There are many researches about tracking individual object but few researches on tracking continuous object. Continuous object affects a large number of nodes so needs more communication and cooperation to track it comparing with individual object. In this paper we propose an...
In order to improve coverage of randomly deployed wireless sensor networks, a distributed deployment algorithm based on coverage addition factor (CAF) is proposed. In this algorithm, each node acquires the distribution of overlapped coverage arcs on the sensing circle based on its neighbors?? positions and moves in the direction the coverage addition factor is the greatest. With the algorithm iterated,...
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