评价函数

  • 网络evaluation function;merit function;cost-function;score function
评价函数评价函数
  1. 膜系优化设计中的模糊输入及评价函数的改进

    Indistinct Input and Improvement of Merit Function for Optimal Design of Coatings

  2. 本文给出了基于这种设计思想构造评价函数的一些实例。

    In this paper some examples of construction of merit function based on the design idea are given .

  3. 基于Fisher评价函数的图像分割方法

    Evaluate ; The Image Segmentation Method Based on Fisher Criterion

  4. 基于三维直方图的Fisher评价函数图像分割方法

    3D histogram based Fisher criterion function for image segmentation

  5. 本文提出一种求解QoS路由问题的新启发式算法,该算法求解基于带宽、时延、丢失率的多约束优化路问题,通过构造评价函数调用最短路算法迭代求解,具有较小的时间复杂度。

    This paper presents a new heuristic algorithm to find an optimal solution based on considering bandwidth , delay and loss requirements .

  6. 本文主要研究如何通过重新设计遗传算子,构建一个综合评价函数,以多目标遗传算法解决QoS路由问题。

    The main purpose of this paper is to conduct a comprehensive evaluating function to solve QoS route problem through re-designing gene arithmetic operators .

  7. 本文提出了基于BP算法的容错人工神经网络评价函数,分析了容错性,并给出了模拟结果。

    As error-tolerance artificial neural networks assessment function that based on the BP algorithm is presented in this paper , the reliability and a stimulated result are reported .

  8. 试验和评判表明,该评价函数能够对CO2焊接短路过渡过程的不同规范状态给予综合评价。

    The testing and evaluation results show that the evaluation function can give a suitable synthetically valuation for the short-circuiting transfer process with a variety of welding variables .

  9. 以能量消耗量为评价函数进行运动规划是AUV实用化中的重要问题之一。

    Motion Planning by operating energy , as an evaluation function , is one of the problems in AUV practicability .

  10. 分析表明GRIN棒的轴向色差评价函数值约为06~07%。

    Analysis indicates that the axial chromatic aberration evaluation function of the GRIN rod is approximately 0.6 ~ 0.7 % .

  11. 利用Sobel算子边缘检测算法,提出了图像边缘能量清晰度评价函数。

    The edge energy sharpness evaluation function was presented by means of Sobel operator edge detection algorithm .

  12. 为了使得提取的结果更为准确,本文采用基于加权的Hough变换方法求得多条候选行道线,然后基于空间约束的条件进行行道线的选取,构造评价函数完成最终左右行道线的检测。

    We use the weighted Hough transform to extract the candidate lines , and then use the space constraint conditions to select lines .

  13. 对三机床置换FlowShop问题(PFSP)进行了研究,得到一种下界算法,提出了一种评价函数用于求解时选择后续工件。

    Three-machine permutation Flow shop problem ( PFSP ) is researched here . A lower bound algorithm and an evaluation function to select the next job in solution are proposed .

  14. 首先,本文引入图像分割效果的评价函数,提出了参数自动确定的LEGION算法,从而解决了原始LEGION方法中参数的自动确定问题;

    First , the function for evaluating image segmentation techniques are introduced into LEGION , and which accomplishes automatic setting parameters of LEGION .

  15. Petri网的开关模型和算法流程在文中均有详细解析,系统约束条件和特有的评价函数用于在Petri网模型节点的动态跃迁时帮助搜索出最优解。

    Petri Net switching models and algorithm process are explained in details . System limitations and specific evaluation functions are presented for searching the best solution during the dynamic Petri Net nodes ' transition .

  16. 提出了基于二维直方图的Fisher评价函数二维投影图像分割方法,在此基础上提出了基于三维直方图的Fisher评价函数图像分割方法。

    Put forward the Fisher criterion 2D projection image segmentation based on 2D histogram , and more , put forward the Fisher criterion image segmentation based on 3D histogram .

  17. 为消除MI对低频词的倚重,提出一种DF与MI结合的特征评价函数,并验证了这种组合特征选择方法的有效性。

    In order to decrease the MI 's bias towards low frequency words , one combined feature selection is expounded , and is proved to be effective by experiment .

  18. 在传统R-D模型中,码率R和失真D都看成量化步长的函数,而且失真评价函数一般在象素域或空域中进行。

    In conventional R-D analysis , the bitrate R and distortion D are considered as function of quantization parameter q , which are usually developed in pixel-domain or spatial domain .

  19. 本文所阐述的自动对焦系统正是基于CNC而开发的。首先,本文讨论了自动对焦的三个基本要素,即清晰度评价函数,对焦窗口和搜索策略。

    The auto-focusing system demonstrated in this paper is right based on CNC system . Firstly , three basic elements of auto-focusing are discussed in this paper . They are focus measure , focus window and searching strategy .

  20. 针对多片DSP系统提出了一种部分自适应STAP并行算法,给出了该算法的任务划分、执行模型、任务映射策略以及性能评价函数。

    A parallel algorithm based on multi-DSP system of partially adaptive STAP is presented . The execution model , task mapping strategy and performance evaluation functions of this algorithm are also illustrated .

  21. 本文从冶金物理化学中Gibbs自由能方法开始,在用于金属凝固过程模拟方法的基础上,推导出在管理科学中适用的评价函数方法,及其应用方法。

    Based on the Gibbs free energy method used in the simulation of solidification process , a valuation function method is setup and used in simulation of management science .

  22. 该系统运用数字图像处理技术,以方差函数和光强重心算法分别作为清晰度调节和三色和色调节的评价函数,分析电荷耦合器件(CCD)采集的局部图像,产生反馈信号。

    Using square error function and the barycenter algorithm of light intensity as the merit function of focusing and alignment respectively , the system analyzed the images captured by charge coupled device ( CCD ) in the projection screen to produce feedback signals .

  23. 该方法利用图像直方图计算各灰度级下的Fisher评价函数值,其最大值即对应于最佳分割阈值。

    In the new method , the image gray histogram is used to compute Fisher criterion function value of all gray grades , and the optimal threshold is determined at the maximum value of Fisher criterion function .

  24. 利用点扩散函数(PSF)理论讨论了自动聚焦过程中图像高频能量的变化。通过对传统方差评价函数的改进,提出了一种新的自动聚焦算法。

    This paper discusses the fluctuation of high frequency energy in the process of Auto-Focusing by using the PSF theory , and presents a new algorithm by improving existing variance sharpness evaluation function .

  25. 本文首次提出了用图像灰度梯度向量模方和、Roberts梯度和与拉普拉斯(8邻域微分)算子和作为由于离焦产生的模糊图像的评价函数。

    This paper firstly proposed some clarity-evaluation-functions of out-of-focus blurred image , they are the sum of square of gray-level gradient vector module , the sum of Roberts-gradients , and the sum of Laplacian operator .

  26. 为综合考虑这些参数的影响,以特征参数综合值来描述和实时评判CO2焊接短路过渡过程,得到一个能全面定量描述和评判CO2焊接过程的综合评价函数。

    In order to take into account the synthetic influence of all characteristic parameters , by means of the characteristic parameters synthetic value , a quantitative evaluation function is built up to describe and real time evaluate the short-circuiting transfer process of CO2 arc welding .

  27. 而用Gauss核函数和Laplace核函数的谱主成分分析,需对原数据作同类别数据间的规范化,其构造的评价函数也优于用主成分方法构造的评价函数。

    Comparatively , for SPCA using Gauss Kernel Function and Laplace Kernel Function , it is required to normalize original data according to the category , and the constructed evaluation functions are better than the ones constructed via using PCA .

  28. 采用大NA(数值孔径)和小NA的显微图像序列,比较分析了本文提出的评价函数和经典的归一化方差函数、熵函数、能量拉普拉斯函数以及另外两种基于小波变换评价函数的清晰度评价性能。

    High NA ( Numerical Aperture ) and low NA microscope image sequences were used to compare the performance of this focus measure with the classic and popular focus measures Normalized Variance , Entropy , Energy Laplace and other two Wavelet-based High Frequency focus measures .

  29. 其次,本文建立了以输出电压和电流总谐波畸变率为目标的评价函数,并在Matlab/Simulink中搭建了基于PSO算法的三电平和五电平逆变器谐波抑制模型。

    Second , this paper determines the evaluation function , which the target is the total harmonic distortion rate of the output voltage and current , and builts the three-level and five-level inverter models in Matlab / Simulink based on the PSO algorithm .

  30. 属性权重学习算法,从数据自身的相似性出发,通过梯度递减算法极小化属性评价函数CFuzziness(w),为每个属性赋予一个权重。

    According to data 's similarity , feature weight learning algorithm gives each feature a feature weight by minimizing the feature evaluation index CFuzziness ( w ) through gradient descent technique .