搜索资源列表
xiaobo
- 我们提出了一种改进的小波域维纳滤波器,在小波域采用基于贝叶斯估计的小波阈值去噪技术估计期望信号提高估计的精度,并以此设计经验维纳滤波器-We propose an improved wavelet domain Wiener filter in wavelet domain Bayesian estimation based on wavelet threshold denoising techniques to estimate the desired signal to improve th
waveletdenoising
- 小波变换应用,小波软阈值及硬阈值去噪算法及对此算法的改进算法。-Application of Wavelet Transform, wavelet soft threshold and hard threshold denoising algorithm and improved algorithm for this method.
xiaobobianhuan
- 利用小波变换多尺度分析的特性,在小波域的各个尺度上选取不同的阈值对基本的频域谱减法进行改进,并且根据清浊音各自不同的特点,在去噪过程中加以分离,保留了语音中的清音成分,使语音更加饱满。-The use of multi-scale wavelet analysis of the characteristics of the individual in the wavelet domain scale threshold select a different frequency domain of
1
- 图像分割指把图像分成各具特性的区域并提取出感兴趣目标的技术和过程,它是由图像处理到图像分析的关键步骤。小麦的图像分割是使用各种图像分割算法对小麦图像进行处理和研究,提取出有用的图像信息以实现小麦粘连籽粒的分离,为进一步利用图像处理技术分析小麦品质提供依据。因此,对小麦图像分割方法的研究具有十分重要的意义。 本文首先研究了图像分割算法的分类以及常用图像分割算法的基本原理。然后针对小麦图像的特点,研究了在不同光照、背景和连接情况下使用的小麦图像分割方法,对各种分割算法进行了比较、结合和改进。重点
wden1
- 优化小波阈值,对硬阈值和软阈值的改进,通常用于语音信号增强,去噪-Optimization of wavelet threshold, the hard threshold and soft threshold improvement, commonly used in speech signal enhancement and denoise
Optimization
- 《小波消噪阈值算法优化》详细阐述了一种自适应小波阈值消噪法。经matlab验证,改进后的算法消噪性能大大提高。-《Optimization threshold algorithm of wavelet de-noising》discribes an adaptive threshold de-noising based on wavelet. It’s proved by matlab program that the performance of adaptive algorithm is m
thresholdHSI
- 采用小波变换的方法实现心电信号的滤波,分别使用了硬阈值、软阈值和改进阈值方法,并实现了滤波效果的评价(均方差和信噪比)-Wavelet transform of ECG signal filtering method, respectively, using a hard threshold and soft threshold and improve the threshold method, and to achieve the filtering effect of the evaluat
t_denoising
- 此程序的功能为对采集到的信号进行小波阈值去噪,阈值为改进阈值。-the program is used for wavelet denoise
Wavelet-hard-threshold
- 在实现小波硬阈值的信号去噪的基础上改进的算法程序-Improved algorithm based on wavelet hard threshold signal denoising procedures
xinhaoquzao
- 利用小波变换进行改进阈值信号去噪 -Improvement threshold signal denoising using wavelet transform
gorrant
- 一种改进的小波gorrant阈值处理消除噪声程序。并且比较了硬处理,软处理的对比信噪比和均方误差值的大小。-An improved wavelet gorrant threshold processing to eliminate the noise. And compared the hard processing, the contrast of soft handle signal-to-noise ratio and the size of the mean square error (
wavelet-denoise
- 根据小波层之间相关性的改进阈值去噪,含有相关性分析,希望对大家有用,欢迎大家来下载-Improved correlation between wavelet thresholding based on layer, correlation analysis contains, I hope useful, welcome to download
wave-denoising
- 小波阈值去噪,含软阈值去噪,硬阈值去噪和改进阈值去噪算法-The wavelet threshold denoising, including soft threshold denoising, hard threshold denoising threshold denoising algorithm and improvement
xiaoboquzao
- 这是一个硬阈值、软阈值和自己改进阈值函数小波阈值去噪程序-This is a hard threshold, soft threshold and an improved wavelet threshold denoising threshold function
一种改进的小波阈值去噪方法_王彦青
- 基于matlab平台的一种改进的小波阈值去噪方法,(An improved wavelet threshold denoising method based on MATLAB platform.)
soft
- 针对提出的故障信号,利用awgn加噪,对其进行小波软硬阈值降噪,提出一种改进阈值,利用五种自适应阈值函数sqtwolog、rigrsure、heursure、minimaxi和ddencmp中阈值选取原则,对软阈值、硬阈值和改进阈值进行降噪效果对比。(In view of the proposed fault signal, the wavelet soft and hard threshold de-noising is carried out by AWGN adding noise, an
xiaobo
- 小波改进阈值去噪,并分析去噪后信号的信噪比和均方误差(Improving threshold denoising by wavelet transform and analyzing signal-to-noise ratio and mean square error of denoised signal)
小波改进
- 软阈值去噪,硬阈值去噪,半软阈值去噪,并对比这三个的信噪比(Soft threshold de-noising, hard threshold de-noising, semi-soft threshold de-noising, and comparing the three signal-to-noise ratios)
小波改进阈值去噪程序
- 利用改进阈值函数的方式,提升小波去噪的效果(The improved threshold function is used to enhance the effect of wavelet denoising)
软硬阈值函数及示例
- 小波阈值滤波去噪算法中,使用的软硬阈值函数、改进半软阈值函数及示例(In wavelet threshold filtering denoising algorithm, the soft and hard threshold function, improved semi soft threshold function and examples are used)