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Smart Grid, as one kind of promising sustainable power systems, can rely on two-way communications and emerging smart meters to intelligently control the residential electricity usage. However, due to the inherent open communication media as well as the limited communication, computation and storage capabilities of smart meters, security concerns raise and hinder the further flourish of smart grid...
This paper proposes a novel stroke extraction method for the Chinese character. In our method, a Chinese character is represented as a set of triangular mesh that is generated by using the canny contour detector and the constraint Delaunay triangulation (CDT). Based on the representation, the singular regions and the sub-strokes are firstly determined by the properties of triangular mesh. The point-to-boundary...
Taking the characteristics of mobile devices and the demands for graphics rendering into account, this paper gives a set of definitions of attributes to express the performance of mobile terminals and algorithm performance. And then, according to the relationship of these attributes, a point-based rendering architecture for mobile devices is proposed. It includes pre-processing simplification, data...
Handoff scheme provides continuous and seamless transfer when the mobile node moves around the overlay area of wireless networks. It is not practical to use the traditional Received Signal Strength Indication (RSSI) based methods to decide when to process handoff in Collaborative Virtual Environment (CVE), because the probe delay occupies most of the handoff delay time. In this paper, we propose a...
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