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This paper focuses on the rapid regression modeling research for the design optimization of Permanent magnet synchronous linear motors (PMSLM) which are applied in the linear motion machines. Based on the Finite Element Analysis (FEA), the initial PMSLM model is built and the modeling data of optimization are obtained. Then, the machine learning regression algorithm named K-Nearest Neighbor Algorithm...
In the extraction of halftone anti-counterfeiting information, the image maybe skew, which causes the anti-counterfeiting information cannot be extracted. Using dots characters to construct the synchronous information, we propose a halftone dots detection algorithm based on cluster analysis. This algorithm detects dots with different in the halftone images, then extract the synchronous information...
There are two method frequently used for parallelization: data parallel and task parallel. According to the characteristics of analysis of digital terrain, data parallel is more applied, so Petri nets is introduced in this paper to describe the parallel relationships within data patitions based on granularity model. As for different storage environment, corresponding scheduling algorithms are proposed...
The opening of under-utilized spectrum creates the opportunity of substantial performance improvement through cognitive radio techniques. However, the real network performance may be limited since unlicensed users must vacate and switch to other available spectrum if the current spectrum is reclaimed by the licensed (primary) users. During the spectrum switching time, network partitions may occur...
Congestion has always been a serious problem for all kinds of communication networks. Wireless sensor networks (WSN) face special difficulties in dealing with congestion due to their unique requirements and constraints. Various congestion control schemes for WSN have been proposed recently. These schemes try to solve the problem either at the MAC layer or through a cross-layer approach. This paper...
Collision detection is necessary in order to resolve interaction between teeth in dental arrangement. Dental arrangement is a part of the invisible correction system which is a computer aided system helping dentist to find a way to correct teeth in disorder. This paper discusses the importance of collision detection; a method has been developed for it, based on a physically-based modeling of triangle...
Traditional image enhancement methods will enhance the region of interest at the same time enhance the noise. A nonlinear algorithm of image enhancement based on wavelet transform is proposed. Firstly, the multi-scale wavelet transform is adopted to decompose the input image, which can extract the characteristic of multi-scale of the image. Secondly, wavelet threshold is used for image de-noising...
Many existing software reliability models are based on some subjective assumptions those could be easily impractical in reality. Genetic Programming(GP for short) does not need some subjective assumption due to the basic characteristic of the data. Also, this method doesn't require to understand the inherent processes for failures, but to create models based on the given data for a "true"...
Multi agent system (MAS) reputation has some shortcoming in the existing model, such as system dynamic analysis and storage capacity. Based on dynamic analysis of MAS trusting model and its problems on system storage, this paper proposes a new trust mechanism which uses combined dynamic time to modify the weight of time. To mimic the dynamic ability of MAS system, we introduce a new parameter of dynamic...
To solve the problem of mining weighted frequent traversal patterns (WFTPs) with noisy weight information from weighted directed graph (WDG), an effective algorithm called SWFTPMiner (statistical theory-based weighted frequent traversal patterns miner) is developed. It first adopts statistical notion called confidence interval (CI) to delete the vertices with noisy weights from the traversal database...
One novel edge detection algorithm based on neighborhood limited empirical mode decomposition (NLEMD) and its time-frequency analysis is proposed. Firstly, the image is decomposed by NLEMD, then bi-orthant Hilbert transform is applied in IMFpsilas and instantaneous frequency with instantaneous energy are extracted. Secondly, the IMFpsilas and instantaneous frequency with instantaneous energy are fused...
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