From this point, the algorithm is implemented by searching and constructing a background image efficiently. With regard to global motion models, four-parameter estimation model is adopted.
算法从全局运动估计的基础出发，利用背景宏块运动相似性的特点快速建立背景宏块集合并采用常用的四参数全局运动估计模型估计运动参数。
The parameter estimation and system identification of nonlinear structures is a subject which serves to obtain and verify mathematical model of nonlinear structures.
非线性结构的参数估计和系统识别是取得和验证非线性结构数学模型的一门学科。
Estimation of GM (1, 1) model parameter usually adopts the least square criterion, but test of model precision often USES average relative error criterion.
估计GM(1,1)模型中的参数通常采用最小二乘准则，而在模型精度检验时又常采用平均相对误差。
Using the model Identification and Parameter Estimation, the linear model is turns out to be accurate.
并通过模型识别与参数估计，得到线性模型的准确形式。
Meanwhile, as some states can not be estimated or have poor estimation, the simplified state equation employed in the alignment process will cause model parameter uncertainty.
同时，由于一些状态不可估计或估计效果很差，采用简化状态方程进行对准，存在着模型参数不确定性。
Both tracking methods achieve the target tracking state in common by establishing the motion parameter model and obtaining the motion state estimation of the target.
这两种方法的共同点是都是通过建立目标运动的参数模型，获得目标的运动状态估计，从而实现目标跟踪。
This paper extends the Gauss-Marcov model to the case of parameter X with additional information and gives its mixed estimation X.
本文将高斯一马可夫模型推广到参数X具有附加信息的情况，并给出了它的混合估计（?）
Incorporating the power load modelling for Northeastern District, the selection of load model, the method of parameter estimation and field tests, etc. are expounded.
结合东北地区负荷建模工作，在负荷模型的选择、参数估计方法以及现场试验等几方面进行了阐述。
The accuracy of the rotor speed estimation in speed sensorless vector control system of induction motor under load is sensitive to parameter errors of the internal machine model.
在感应电动机无速传感器矢量控制系统中，在负载条件下转子速度估计的精确度对电机内部模型参数误差非常敏感。
In this paper a sequential experimental program used for model discrimination and parameter estimation of kinetic models for the high temperature-shift reaction over "B109" catalyst is presented.
本文介绍了应用序贯实验设计方法对“B109”型催化剂中温变换反应动力学竞争模型进行模型筛选及参数估计的过程。
This paper analysized the estimation problem on coefficient of Brown single parameter index smooth economic prediction model followed by giving a complete attestation.
研究了有关布朗单一参数指数平滑经济预测模型的系数的估计问题，整理并给出了比较完整的证明。
This paper discusses the parameter estimation problem of a continuous type stochastic mathematical model.
讨论一类连续型随机数学模型的参数估计问题。
According to the structure characteristics of a time varying time series model, a new recursive parameter estimation algorithm of the time varying ar model is proposed.
根据对一类时变时间序列模型结构特点的研究，提出了一种时变ar模型的递推参数估计算法。
But for case of measured correlation sequence the whole sequence may be used to reduce the effect of error on model parameter estimation.
但是对实测的相关序列，我们可以利用相关序列的全部来减小误差对参数估计的影响。
However, the parameter model based PSD estimation is used with the assumption that the model order is determined as low as possible through prior knowledge.
而功率谱估计中基于参数模型的方法得到广泛应用，但建模时通常只能根据经验选择一个固定较低的阶数。
Then give the definition of CRFs, model structure, the definition of potential function, parameter estimation, training methods and calculation methods.
而后给出了条件随机场的定义、模型结构、势函数的定义、参数估计、训练方法和计算方法等。
A better parameter estimation accuracy have been obtained with the model processed by this method.
用本文方法处理选模型可以获得较好的参数估值精度。
The parameter estimation of water quality model using orthogonal optimization method is studied and the program of orthogonal optimization method is given.
把正交优化法应用于水质模型参数估值研究，给出正交优化法的算法。
This paper attempts to use the parameter estimation method to backward calculate tooth-rock sample interaction mathematical model according to some bit bench test data.
本文尝试用参数估计的方法，依据一些钻头台架试验的数据，来反求牙齿-岩样互作用的数学模型。
Through model screening and parameter estimation, a kinetic model of cyclohexane steam reforming reaction is obtained.
通过模型筛选和参数估值，得到了环己烷水蒸汽转化反应动力学模型。
Simulation results demonstrate the feasibility of the model and the parameter estimation algorithm, and show that the adaptive predictive control method has excellent control quality.
仿真结果表明了该线性时变模型和参数估计算法的可行性，表明该自适应预测控制方法具有优良的控制品质。
The first chapter of the article introduced the principle of zero-truncated count model, parameter estimation and model application.
文中第一部分阐述了零截尾计数模型的原理、参数估计及其模型应用。
Stochastic volatility model is one of the most important models in describing the volatility of financial market and its parameter estimation is a hot topic in this area.
随机波动模型作为金融市场波动量化研究的一种重要模型，其参数估计问题是近十余年来该领域的研究热点。
The reliability estimation for a software product mainly depends on the research of the software reliability model and its parameter estimator.
软件产品的可靠性评估主要取决于软件可靠性模型及其参数估值技术。
The experiment results show that particles swarm optimization is an effective method for parameter estimation of system model.
实验结果表明，该算法是一种有效的系统模型参数估计方法。
Two problems being frequently improperly dealt with under parameter estimation in model identification are discussed in the paper.
本文讨论的是模型辨识中估计参数时往往处理不当的两个问题。
In the thesis, the basic principle, model, parameter estimation and information function of IRT are discussed based on three education test theories.
本文首先在介绍了三种教育测量理论的基础上，较详细地论述了项目反应理论的基本原理、模型、参数估计以及信息函数等。
Then it applies the method of parameter estimation based on the model of parameters-subsystem parameters function to the fault detection of servo system.
之后，应用基于模型参数-子系统参数关联方程的参数估计方法，对伺服系统进行故障诊断。
In this paper a linear method for parameter estimation of ARMA model is proposed.
本文提出估计ARMA模型参数的一种线性方法。
In this paper a linear method for parameter estimation of ARMA model is proposed.
本文提出估计ARMA模型参数的一种线性方法。
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