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histogram_equalization
有关直方图均衡化原理的matlam源程序(the histogram equalization principle source of matlam)
- 2007-04-12 10:23:10下载
- 积分：1
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Laplace
传统的短时谱估计语音增强算法通常假设语音谱分量相互独立，没有考虑语音谱分量间的相关性。针对这
一问题，该文提出一种新的基于多元Laplace分布模型的短时谱估计算法。首先，假设语音的离散余弦变换(DCT)
系数服从多元Laplace分布，以此利用谱分量间的相关性；在此基础上，利用多元随机矢量的高斯尺度混合模型表
示，推导得到语音DCT系数矢量的最小均方误差(MMSE)估计的解析表达式；并进一步推导了基于该分布模型的
语音存在概率，对最小均方误差估计子进行修正。实验结果表明，该算法在抑制背景噪声和减少语音失真等方面优
于传统的语音增强方法。(The spectral components of speech are usually assumed to be independent in traditional short-time
spectrum estimation, which is not the case in practice. Tosolve this problem, a new speech enhancement algorithm
with multivariate Laplace speech model is proposed in this paper. Firstly, the speech Discrete Cosine Transform
(DCT) coefficients are modeled by a multivariate Laplace distribution, so the correlations between speech spectral
components can be exploited. And then a Minimum-Mean-Square-Error (MMSE) estimator based on the proposed
model is derived using a Gaussian scale mixture representation of random vectors. Furthermore, the speech
presence uncertainty with the new model is derived to modify the MMSE estimator. Experimental results show
that the developed method has better noise suppression performance and lower speech distortion compared to the
traditional speech enhancement method. )
- 2014-01-18 10:44:40下载
- 积分：1
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FIR
一个简单的FIR滤波器实现编程，已经过调试，完全正确可用(A simple FIR filter programming, has been debugging, can be used entirely correct)
- 2009-01-08 15:19:13下载
- 积分：1
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Wavelettransform
小波变换matlab程序,实现小波变换的程序(Wavelet transform matlab process procedures for the realization of wavelet transform)
- 2009-06-18 21:29:16下载
- 积分：1
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data_mining_2
Dear members this are new IEEE papers 2013 based on cloud computing, networking, security, wireless sensor networks.
- 2014-10-02 13:33:16下载
- 积分：1
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code
matlab code from the states university of new york in the united states
- 2010-11-19 01:36:56下载
- 积分：1
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ALO
ALO optimization Matlab code
- 2018-12-21 18:15:09下载
- 积分：1
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procoskun
voice recognition in matlab
- 2010-06-08 20:15:38下载
- 积分：1
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exa010101
说明三个分段相连的信号的傅里叶变换和时频分析信号的傅里叶变换和时频分析(Note the three sub-linked signal Fourier transform and time-frequency analysis of signals in Fourier Transform and Time-Frequency Analysis)
- 2007-12-12 09:25:12下载
- 积分：1
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finite-difference-temperature
有限差分法定温度分析程序：这个程序用有限差分法分析，当一个从一边受热的方型物体放置空气中，之后，其温度分布情况。(temperature analysis using finite difference method)
- 2009-03-31 17:44:30下载
- 积分：1
