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15下载:
基于小波变换阈值去噪的MATLAB源代码(包含小波包去噪程序),Threshold de-noising based on wavelet transform of the MATLAB source code (including the wavelet packet de-noising procedure)
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小波包变换分析信号的MATLAB程序,可用于提取故障特征向量,Wavelet packet transform analysis of signals in MATLAB procedures, can be used to extract fault feature vector
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这是《小波分析理论与MATLABR2007实现》的源代码。主要是基于Matlab的小波工具箱实现小波基选择、小波包分解、Mallat变换以及小波变换在边缘提取、图像去噪、数据压缩等中的应用,特别包含了二代提升小波的相关内容,理论与实际相结合。大家想要了解的二进小波、正交镜像滤波器组[QMF]等概念这里都有体现。-This is 《MATLABR2007 wavelet analysis theory and implementation》 of the source code. Mainly
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实现2维的图像表示,用这些算法来进行图像的表示及应用于图像去噪-realize dual tree complex packet transform
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小波变换是一种快速发展和比较流行的信号分析方法, 其在图像处理中有非常重要的应用, 包括图像压缩, 图像去噪, 图像融合, 图像分解, 图像增强等。小波分析是傅立叶分析思想方法的发展与延拓。除了连续小波
(CWT)、离散小波(DWT), 还有小波包avelet Packet)和多维小波。本文主要介绍小波变换的发展及其在图像处理、的应用-Wavelet transform is a fast-growing and more popular method of signal analysis,
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这是小波包程序,好不容易从网上下的,希望对大家有用!-This is the wavelet packet procedures, under the hard-line, in the hope that useful!
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2-band discrete wavelet transform (DWT)
Dual-Tree Complex Wavelet Packet-The 2-band discrete wavelet transform (DWT) provides
an octave-band analysis in the frequency domain, but this
might not be ‘optimal’ for a given signal. The discrete wave
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小波变换的matlab程序,包括离散小波变换,多尺度变换,小波包分析,小波用于图像压缩、水印、去噪-Matlab wavelet transform procedures, including the discrete wavelet transform, multi-scale transform, wavelet packet analysis, wavelet image compression, watermarking, denoising
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本文利用小波以及小波包在数字信号处理中表现出来的优势,将其应用到变换域通信(TDCS)中。针对基于傅里叶变换估计方法无法对非平干扰进行有效估计的缺点,于是小波技术被应用于谱估计中。作为TDCS通信前端的频谱感知阶段所应用的数学工具,进行频谱感知,小波变换可以确定干扰所在频段以及创建小波基函数,用于数据传输。并且将其与其他变换方式的应用场合以及性能进行对比。并且针第二代小波良好的数据压缩性能,拟将其应用于TDCS中,对干扰频谱进行进一步压缩-The article utilized the adv
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一个基于小波包变换的边缘检测程序,用于图像处理.-A wavelet packet transform based edge detection procedure.
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基于小波包分解的自适应数字水印嵌入算法.pdf
小波包变换及其在数字水印算法中的应用.pdf
一种基于小波包变换的盲数字水印算法.pdf
一种基于小波包分解的自适应数字水印算法.pdf-Adaptive wavelet packet based digital watermarking algorithm. Pdf
Wavelet packet transform and its application in digital watermarking applications.
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The authors present an automatic classification of different power quality (PQ) disturbances using
wavelet packet transform (WPT) and fuzzy k-nearest neighbour (FkNN) based classifier. The training data
samples are generated using parametric mode
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本文提出了一种基于小波包变换的图像压缩算法,具有重要的学术参考价值!-This paper presents an image compression algorithm based on wavelet packet transform, with important academic reference value.
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wavelet packet transform
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OFDM系统完整程序,小波/小波包变换在OFDM中的应用的程序。-Complete program of the OFDM system, wavelet/wavelet packet transform in OFDM applications program.
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基于小波包变换的去噪处理
全局阈值去噪图像
对图像进行平滑处理以增强去噪效果(中值滤波)-Denoising based on wavelet packet transform global threshold denoising image smoothing image enhancement and denoising effect (median filtering)
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bNSCT变换和小波包变换相结合的图像隐藏方法_郑伟-the combination of NSCT transform and wavelet packet transform _ Zheng Wei image hiding method
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4各向异性双树复小波包变换 石霏 应用科学学报 2008-07-15 期刊-4 anisotropic dual tree complex wavelet packet transform Shi Fei applied science journal proceedings of the 2008-07-15
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利用小波包变换对一个二维含噪图像进行消噪处理-Using wavelet packet transform to a two-dimensional image with noise denoising
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