The RSA algorithm is widely used for information security *** paper improves the architecture of the modular multiplier and also presents a new RSA encryption and decryption strategy to diminish greatly the time cost ...
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The RSA algorithm is widely used for information security *** paper improves the architecture of the modular multiplier and also presents a new RSA encryption and decryption strategy to diminish greatly the time cost for RSA crypto-system to deal with the long *** efficient RSA crypto-processor is designed by combining the traditional and new strategies of encryption and *** verification prototype of this processor is built on the *** speed to deal with the short data reaches 150kbit/s under 317.6 MHz clock *** dealing with data of 100Mbits length,the encryption speed reaches 29Mb/*** decryption speed reaches 14Mb/s on average.
An adaptive Bayesian estimator for image denoising in shearlet domain is presented,where bivariate probability densities are used as the prior model of shearlet coefficients of *** bivariate probability density functi...
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An adaptive Bayesian estimator for image denoising in shearlet domain is presented,where bivariate probability densities are used as the prior model of shearlet coefficients of *** bivariate probability density function is proposed to model the statistical dependence between a coefficient and its parent and it is shown to fit very well to the observed noise-free *** this prior,a Bayesian shearlet estimator is derived by using the maximum a posterior(MAP) ***,a simulation is carried out to show the effectiveness of the new *** results show the proposed method can effectively reduce noise and remain edges,obtain better visual effect and higher PSNR.
This paper discusses the process of opinion dissemination across the Internet and constructs a opinion dissemination kinetics model with the theory of reductionism and *** the further research of the opinion dissemina...
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This paper discusses the process of opinion dissemination across the Internet and constructs a opinion dissemination kinetics model with the theory of reductionism and *** the further research of the opinion dissemination process,the distribution of node degrees,and the influence of fixed opinion group,We use scale-free network to simulate the process of the opinion dissemination,according to the experimental results we conclude the key features of the opinion dissemination process across the Internet and recommend future work.
Collaborative filtering recommendation algorithm is one of the most successful technologies in the e-commerce recommendation *** the development of e-commerce, the magnitudes of users and commodities grow rapidly;the ...
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Collaborative filtering recommendation algorithm is one of the most successful technologies in the e-commerce recommendation *** the development of e-commerce, the magnitudes of users and commodities grow rapidly;the performance of traditional recommendation algorithm is getting *** propose a new similarity measure method, automatically generate weighting factor to combine dynamically item attribute similarity and score similarity,form a reasonable item similarity,which bring the nearest neighbors of item,and predict the item's rating to *** experimental results show the algorithm enhance the steady and precision of recommendation,solve cold start issue.
DNA methylation is identified as an elaborate epigenetic element to regulate binding of transcription factor to gene promoter *** latest highthroughput technology,it is convenient to accurately test methylation level ...
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DNA methylation is identified as an elaborate epigenetic element to regulate binding of transcription factor to gene promoter *** latest highthroughput technology,it is convenient to accurately test methylation level in experiment, which opens a door to investigate how methylation affects transcription *** this study,a general model is presented to depict methylation function,where parameters of model are fixed by analysis of relativity between transcription factor binding scores in promoter regions and gene expression *** neuroblastoma cell,with the deduced model,10 transcriptional factors were found to be apparently affected by methylation of promoter regions.
In this paper,a particle swarm optimization approach for the energy-based acoustic source localization of a wireless sensor network is *** this work,it is assumed that there is one acoustic source with unknown localiz...
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In this paper,a particle swarm optimization approach for the energy-based acoustic source localization of a wireless sensor network is *** this work,it is assumed that there is one acoustic source with unknown localizations which transmit acoustic signals that can be received by the *** only available information to the system is the received signal enegy which is not very accurate in general because of the attenuation in the process of *** abtain better estimated localization of the acoustic source,maximum likelihood method is applied to transform it into extremal function,the particle swarm optimization scheme searches the optimal *** results show that the proposed approach has the advantages of higher precision and lower computational complexity.
In the field of automated deduction,natural language understanding,theorem proving and rewriting theory, unification theory is a very fundamental *** researchers have designed several efficient unification algorithms ...
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In the field of automated deduction,natural language understanding,theorem proving and rewriting theory, unification theory is a very fundamental *** researchers have designed several efficient unification algorithms and many automated tools have also been ***, there is no efficient practice of an E-unifier *** this paper,we propose an efficient method to construct an E-unifier *** we implement an algorithm for syntactic *** the bijection between terms and shapes of trees, we can get the correlative set of terms by the transformation of shapes of *** these operations,we expand the syntactic unification solution to *** proposal is able to solve E-unification problems in which case the Diophantine Equations is unable to ***,the method is practical enough for other research works.
How to construct Boolean functions with good cryptographic characteristics is an interesting and significant problem in *** on the properties of concatenation,two methods were proposed to construct Boolean functions w...
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How to construct Boolean functions with good cryptographic characteristics is an interesting and significant problem in *** on the properties of concatenation,two methods were proposed to construct Boolean functions with optimal or suboptimal algebraic immunity. Moreover,some other cryptographic properties,such as algebraic degree,balancedness,and nonlinearity,of the constructed function were also *** the end,a new idea was presented for ascertaining whether the given Boolean function had optimal algebraic immunity.
Protein is an important molecule that performs a wide range of functions in biological *** GOR algorithm is one of the most successful computational methods to predict secondary structure from protein *** chips have e...
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Protein is an important molecule that performs a wide range of functions in biological *** GOR algorithm is one of the most successful computational methods to predict secondary structure from protein *** chips have emerged as one promising application accelerator to accelerate bioinformatics algorithms by exploiting fine-grained custom *** this paper,we propose a complete fine-grained parallel hardware implementation on FPGA XC5VLX330 chip to accelerate the GOR IV package for protein secondary structure *** experimental results show a speedup factor of more than 430x over the GOR-IV software version running on a PC platform with AMD Phenom 9650 Quad CPU for 2- Dimensional protein structure ***,the power consumption is only about 30%of that of current generalpurpose CPUs.
We present a new method for handling data skews in the database operation,relation ***,Graphics Processing Units(GPU) has become popular among high performance computing research and is used to accelerate the executio...
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We present a new method for handling data skews in the database operation,relation ***,Graphics Processing Units(GPU) has become popular among high performance computing research and is used to accelerate the execution of database *** parallel algorithms are developed in the past years with emerging of multi-core *** Module Distribution(CMD) is originally designed for clusters,we have immigrated it onto GPU to improve the performance of relational *** find that using one GPU card,our method runs between hash join and sortmerge join,with hash join having the best *** our method runs dose to hash joins and faster than sort-merge joins when processing relations with data skew.
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