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In this paper, we introduce a road surface conditionunderstanding and sharing system. Traffic accidents and obstructionsdue to bad weather conditions and poor road conditions areserious social problems. It is necessary for drivers to understandweather and road conditions in advance to avoid traffic accidentsand obstructions and it is necessary to alert drivers to weatherand road conditions in order...
In wireless sensor networks, sensors typically aim to transmit their own readings to the sink node. Constructing an efficient data collection tree is very important since it can determine the lifetime of the given WSNs. In literature, may studies have investigated this issue and proposed algorithms for mobile sink to visit each sensor such that the readings of the sensors can be directly transmit...
Wireless rechargeable sensor networks are becoming crucial and important in recent years for the advancement of wireless energy transmission technology. The previous research shown that not all of sensors can be recharged due to the limitation of energy capacity that mobile chargers can carry. If a sensor playing a critical role in a sensing task cannot function as usual due to the exhausted energy,...
Ambient intelligence (AmI) deals with a new world of ubiquitous computing devices, where physical environments interact intelligently and unobtrusively with people. AmI environments can be diverse, such as homes, offices, meeting rooms, schools, hospitals, control centers, vehicles, tourist attractions, stores, sports facilities, and music devices. In this paper, we present the design and implementation...
A large percentage of buildings in domestic orspecial-purpose is expected to become increasingly "smarter"in the future, due to the immense benefits in terms of en-ergy saving, safety, flexibility, and comfort, that relevant newtechnologies offer. As concerns hardware, software, or platformlevel, however, no clearly dominant standards currently exist. Such standards, would ideally, fulfill...
We have introduced motion sensors into our researches of human motion capture in order to decrease the difficulty during anime production by free-hand. In this paper we will present an algorithm and approaches to simulate human gait with motion sensors. Some experimental results of verifications will be provided also.
We proposed an alternative method to use 3D depth sensors for tracking moving target instead of normal camera, and we developed a pattern recognition algorithm based on our real-time tracking results. In this paper we will present our algorithm and approaches, experimental results and verification.
Wireless sensor networks (WSNs) are extensively used in various industries and environments to monitor an environment and manage risks in situations such as real-time traffic monitoring and health care. The Internet of Thing (IOT) is a wireless sensor networks. Because a WSN is an open wireless communication network, it is vulnerable to security threats and attacks. It must authenticate its partner’s...
Due to the traditional wireless networks, fixed allocation of spectrum is one of the main reasons causing low utilization of spectrum. To solve the problem, a new wireless communication model has been proposed, which called Cognitive Radio Networks (CRN). CRN adopts Dynamic Spectrum Access (DSA) technology, thus it can flexibly use the spectrum which primary user temporarily unused. In cognitive radio...
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