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@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
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positioning
是两个综合性较强的实例,分别是Visual C++实现的基于神经网络的文字识别系统和车牌定位系统(Are two examples of more integrated, namely Visual C++ implementation of text based on neural networks and the license plate recognition system positioning systems)
- 2010-01-15 13:50:55下载
- 积分:1
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BubianjuWork
不变矩 matlab程序,有图例,可以运行,可供学不变矩的同学参考。(unchanged moment Matlab procedures, a legend, to run for school students the same moment reference.)
- 2006-11-30 21:21:15下载
- 积分:1
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deltamodulation
modulation and demodulation used in lte systems
including qpsk 16-qam 64-qam
- 2012-06-23 01:54:27下载
- 积分:1
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menusembunyi
Third Menu Stenography
- 2011-06-26 02:38:23下载
- 积分:1
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GUI_2
GUI_2 Explore simple string manipulation.
Pushing the pushbutton adds to the string elements of a listbox. The
added string can be chosen by the user through an editbox.
- 2014-12-05 03:10:54下载
- 积分:1
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t-tide工具包
t-tide工具包,用于海洋潮汐分析处理,剔潮,计算调和常数等数据处理与计算。(t-tide toolkit for the analysis and processing of ocean tides tick tide calculated harmonic constants and other data processing and calculation.)
- 2012-10-25 21:17:42下载
- 积分:1
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pidmatlab
一个pid仿真例子,有程序和仿真模拟图,可以直接应用,希望有用!(A simulation example of a pid, have procedures and simulation map, can be applied directly, I hope useful!)
- 2008-02-03 16:41:48下载
- 积分:1
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MATLAB
说明: 完成语音分帧,加窗,线性预测和基音周期提取等功能(Complete voice framing, windowing, linear prediction and gene features such as cycle extraction)
- 2010-04-25 15:25:49下载
- 积分:1
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fenchatu
非线性振动分析计算程序,以轴承部分参数为变量的分叉图(the calculation program of the analysis of nonlinear vibration)
- 2021-04-19 15:28:50下载
- 积分:1