-
@polynomial
VC维理论和结构风险最小化准则是统计学习理论中的重要内容,基于这一理论的支持向量机算法由于具有好的泛化性能受到重视,并被研究用于文本分类问题.基于多项式核的研究工作认为SVM的泛化能力不受多项式阶数的影响,并且能够处理很高维的分类问题,用于文本分类无需进行特征选择.研究发现,随着多项式核阶数的升高,SVM文本分类器会出现过学习现象,并且特征数越多越明显,特征选择是必需的.通过估计函数集的VC维,基于结构风险最小化理论对此问题进行分析,得出的结论跟实验结果相符.
(err)
- 2008-01-08 21:41:08下载
- 积分:1
-
cable2
XPL cabel analyse and modelisation
- 2013-10-01 15:16:08下载
- 积分:1
-
Hu-Zernike
matlab计算图像Hu七个不变矩和Zernike矩的程序(Hu invariant moments and Zernike Moments matlab code)
- 2015-06-01 16:47:04下载
- 积分:1
-
Vehicle-detection
基于协方差的车辆检测,用协方差矩阵为描述子,检测图片中的汽车或者卡车(Covariance matrix Vehicle detection)
- 2013-12-10 18:38:57下载
- 积分:1
-
solar-cell
about maximum peak power tracking
- 2014-01-23 13:12:27下载
- 积分:1
-
256-colortograyscale
256色转灰度图,用matlab实现一副彩色图像的灰度变换,但必须是bmp格式的图像(256-color to grayscale, using matlab to achieve a color image of the gray-scale transformation, but it must be bmp format images)
- 2010-05-19 23:18:58下载
- 积分:1
-
5be1f2780d9a
source code of channel capacity
- 2011-08-10 01:43:48下载
- 积分:1
-
for_pdn2
These are MATLAB codes for implementing Chebyshev-Type 2 Bandpass and Bandstop filters.
- 2013-11-15 18:08:46下载
- 积分:1
-
repetitive-control-for--inverter
分析了电压型控制模式下的逆变器并网的电路结构和数学模型,提出了基于重复控制技术的光伏逆变器并网控制策略,仿真和实验结果表明方案满足逆变器并网要求。(Voltage control mode inverter grid circuit structure and mathematical model is proposed based on repetitive control technology photovoltaic inverter grid control strategy, simulation and experimental results show that the program inverter to meet and network requirements.)
- 2013-04-27 15:36:28下载
- 积分:1
-
Partial-HD
2D2D image registration based on Partial Hausdorff distance
- 2014-10-23 15:35:17下载
- 积分:1