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AN EFFICIENT ALGORITHM FOR THE CONVEX HULL OF PLANAR SCATTERED POINT SET
Scattered Point Set Minimum Convex Hull Convex Hull Algorithm Initial Boundary of Convex Hull
2014/4/25
Computing the convex hull of a point set is requirement in the GIS applications. This paper studies on the problem of minimum convex hull and presents an improved algorithm for the minimum convex hull...
COMPARISON OF PARTICLE SWARM OPTIMIZATION AND GENETIC ALGORITHM IN RATIONAL FUNCTION MODEL OPTIMIZATION
Rational Function Model (RFM) Particle Swarm Optimization (PSO) Genetic Algorithm (GA) Mathematical Modelling High Resolution Satellite Images (HRSIs)
2014/4/25
Rational Function Models (RFM) are one of the most considerable approaches for spatial information extraction from satellite images especially where there is no access to the sensor parameters. As the...
PAPR reduction using artificial bee colony algorithm in OFDM systems
Orthogonal frequency division multiplexing (OFDM) peak-to-average power ratio (PAPR) partial transmit sequences (PTS) artificial bee colony (ABC) high power amplifier (HPA)
2011/3/22
Partial transmit sequence (PTS) is an attractive scheme for peak-to-average power ratio (PAPR) reduction in orthogonal frequency division multiplexing (OFDM) systems, but its high computational comple...
A novel and efficient algorithm for adaptive filtering: Artificial bee colony algorithm
Artificial bee colony Particle swarm optimization Differential evolution Adaptive filter design Noise cancellation
2011/3/22
The uni-modal error surfaces and intrinsic stable behaviors of adaptive finite impulse response (FIR) filters make gradient based algorithms very effective in the design of these filters. Gradient bas...
A Study on a Learning Algorithm
Learning systems Trainable Function Generator Nonlinear Function Generator
2009/10/15
In this paper, an algorithm which can generate a nonlineer multi-input function through a learning process is studied. This
algorithm, used by the Sulzer A.G. company for building heating automation,...
基于非均匀细分的散乱点云数据精简算法（Algorithm of Scattered Point Cloud Data Reduction Based on Non-uniform Subdivision）
逆向工程 散乱点云 非均匀细分
2009/9/25
针对海量散乱点云数据精简问题，提出了基于非均匀细分的精简算法。采用八叉树结构对点云数据进行空间分割，由分割结果建立k邻域。对k邻域内的散乱点进行二次曲面拟合，以拟合曲面的平均曲率为判据决定是否对八叉树空间实行非均匀细分，细分过程中由数据点之间的最大间隔角决定细分程度。构造曲率差函数，识别出边界数据点，对其进行数据保护。该算法对具有曲率多样化特点的点云数据的精简具有实用性，通过实验验证了该算法的可靠...
An auxiliary model based stochastic gradient algorithm for multivariable output error systems
Recursive identification parameter estimation stochastic gradient
2009/9/9
The identification problem of multivariable output error systems is considered in this paper. By constructing an auxiliary model using available input-output data and by replacing the unknown inner va...
An auxiliary model based stochastic gradient algorithm for multivariable output error systems
Recursive identification parameter estimation stochastic gradient
2009/9/9
The identification problem of multivariable output error systems is considered in this paper. By constructing an auxiliary model using available input-output data and by replacing the unknown inner va...
A New Genetic Algorithm Methodology for Design Optimization of Truss Structures: Bipopulation-Based Genetic Algorithm with Enhanced Interval Search
Genetic Algorithm Methodology Truss Structures Bipopulation-Based Genetic Algorithm
2009/9/4
A new genetic algorithm (GA) methodology, Bipopulation-Based Genetic Algorithm with Enhanced Interval Search (BGAwEIS), is introduced and used to optimize the design of truss structures with various c...
AN APPROXIMATION ALGORITHM FORWORD-REPLACEMENT USING A BI-GRAM LANGUAGE MODEL
word-replacement statistical machine translation NP-hard Hamiltonian Path Problem
2012/12/3
This paper presents an approximation algorithm for wordreplacement under a bi-gram language model. Words replacement is an key step in the decoding part of statistical machine translation. However, th...
Softcomputing Identification Techniques of Asynchronous Machine Parameters: Evolutionary Strategy and Chemotaxis Algorithm
Asynchronous machine Identification Optimization
2009/7/28
Softcomputing techniques are receiving attention as optimisation techniques for many industrial applications. Although these techniques eliminate the need for derivatives computation, they require muc...
A New Relaying Algorithm to Detect Loss of Excitation of Synchronous Generators
Digital relaying generator protection reactive power
2009/7/28
A new digital relaying algorithm is introduced for the protection of synchronous generators against loss of excitation conditions. The new algorithm is based on measuring of the 3-phase reactive power...
A Simple and Global Optimization Algorithm for Engineering Problems: Differential Evolution Algorithm
Optimization Genetic Algorithm Differential Evolution
2009/7/28
Differential Evolution (DE) algorithm is a new heuristic approach mainly having three advantages; finding the true global minimum regardless of the initial parameter values, fast convergence, and usin...
Array Pattern Nulling by Phase and Position Perturbations with the Use of a Modified Tabu Search Algorithm
Array Pattern Nulling Phase and Position Perturbations Modified Tabu Search Algorithm
2009/7/28
A useful and flexible method based on the tabu search algorithm for the pattern synthesis of linear antenna arrays with the prescribed nulls is presented. Nulling of the pattern is achieved by control...
A Pseudo Spot Price Algorithm Applied to the Pumped-Storage Hydraulic Unit Scheduling Problem
Pseudo Spot Price Algorithm Pumped-Storage Hydraulic Unit Scheduling Problem
2009/7/27
A lossy electric power system that contains thermal units and a pumped-storage hydraulic unit is considered in this paper. The total cost of thermal units in an operation cycle is minimized under some...