This paper, based on the existing LEACH routing algorithm, proposes a novel adaptive zone-crossed and virtual node for multi-hop routing algorithm for large-scale wireless sensor networks. At first, we introduce the c...
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Analyzing the latent relationship between parallel news articles and stock prices has become an important research issue which attracts more and more researchers' attention. It is believed that news articles have ...
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Existing frequent subgraph mining algorithms can operate efficiently on graphs that are sparse, have vertices with low and bounded degrees, and contain well-lab.led vertices and edges. However, there are a number of a...
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In this paper, we present a portable interactive system for image completion with perspective constraint. Image completion arises in many image filling and editing problems, but it is seldom applied in the scenario re...
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Modern real time embedded systems are typically composed of multiple functional and nonfunctional concerns with nonfunctional concerns affect the former in many aspects. MARTE, an extension profile of UML2, aims to be...
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Sparse representation provides a new method of generating a super-resolution image from a single low resolution input image. An over-complete base for sparse representation is an essential part of such methods. Howeve...
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ISBN:
(纸本)9781450304603
Sparse representation provides a new method of generating a super-resolution image from a single low resolution input image. An over-complete base for sparse representation is an essential part of such methods. However discovering the over-complete base with efficient representation from a large amount of image patches is a difficult problem. We make efforts in sparse representation and its implementation to solve the problem. In the representation, image patches are decomposed into two structure and texture components represented by the over-complete bases of their own spaces so that their high-level features can be captured by the bases. In the implementation, a prior knowledge about low resolution images generation is combined to the typical base construction for high construction quality. Finally a super-resolution construction based on multi-space sparse representation is proposed. Experiment results demonstrate that the proposed method significantly improve the PSNR and visual quality of reconstructed high-resolution image. Copyright 2010 ACM.
Requirements is the formal expression of user's needs. Also, requirements elicitation is the process of activity focusing on requirements collection. Traditional acquisition methods, such as interview, observation...
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Ground Test Platform for Space Teleoperation (GTPST) is a complicated distributed system consisted of multiple subsystems, and controlling it properly under large transmission delay is a huge challenge. Multi-agent Sy...
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Active Queue Management (AQM) is an effective method used in Internet routers to enhance congestion control, and to achieve a trade off between link utilization and delay. The de facto standard, the Random Early Detec...
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Project effort estimation in the early phase of software development is a significant activity for every software organization to improve the development process. Small organizations need some simple and easily used m...
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