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小波变换
图像小波变换,小波变换(wavelet transform,WT)是一种新的变换分析方法,它继承和发展了短时傅立叶变换局部化的思想,同时又克服了窗口大小不随频率变化等缺点,能够提供一个随频率改变的“时间-频率”窗口,是进行信号时频分析和处理的理想工具。它的主要特点是通过变换能够充分突出问题某些方面的特征,能对时间(空间)频率的局部化分析,通过伸缩平移运算对信号(函数)逐步进行多尺度细化,最终达到高频处时间细分,低频处频率细分,能自动适应时频信号分析的要求,从而可聚焦到信号的任意细节,解决了Fourier变换的困难问题,成为继Fourier变换以来在科学方法上的重大突破。(Image Wavelet Transform)
- 2020-06-18 04:40:01下载
- 积分:1
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frwt_8876
一种新型分数阶小波变换及其应用,讨论了新型分数阶小波变换的应用(A new Fractional Wavelet Transform and Its Applications, discussed the application of the new fractional wavelet transform)
- 2012-09-05 21:21:40下载
- 积分:1
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GSM_Denoise
实现了高斯混合尺度模型(GSM)算法,可被嵌入到各种去噪框架中(如各种小波变换等)使用。(Gaussian mixture scale model (GSM) algorithm, can be embedded into a variety of denoising framework (such as a variety of wavelet transform, etc.) use.)
- 2021-04-07 09:19:01下载
- 积分:1
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Three-level-wavelet-
图像的三级小波分解,小波变换,小波图像重构.(Three-level wavelet decomposition of image.)
- 2011-12-11 19:50:23下载
- 积分:1
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RGBimseg
说明: matlab中都是对灰度图像进行小波变换,本程序是对彩色图像进行小波变换(matlab in gray-scale images are wavelet transform, this process is a wavelet transform for color image)
- 2008-09-17 16:13:36下载
- 积分:1
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利用小波变换系数重构图像,实现图像降噪地方法
根据小波变换和噪声信号地能量分布特性,提出了一种先用小波变换对含噪图像进行多尺度分解,求出各尺度小波变换高频系数地噪声方差和阈值,利用各尺度地阈值对高频系数进行处理,然后利用小波变换系数重构图像,实现图像降噪地方法。(According to wavelet transform and noise signal and energy distribution characteristics, a first wavelet transform of the noisy image multiscale decomposition, obtained the high-frequency-scale wavelet transform coefficients and noise variance and thresholds, using the scale to the threshold value of the deal with high-frequency coefficients, and then the use of wavelet transform coefficients reconstructed image, to realize image denoising methods.)
- 2020-07-04 03:00:02下载
- 积分:1
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wavelet
小波包的程序源代码,对于小波包的理解很有用,非常适合初学者!(Wavelet Packet program source code, useful for the understanding of wavelet packet, very suitable for beginners!)
- 2013-05-14 08:42:45下载
- 积分:1
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wavelet_example
小波变换的例子, 小波变换的例子, 小波变换的例子, 小波变换的例子,(wavelet transform example, wavelet transform example, Wavelet Transform example, wavelet tra nsform example,)
- 2020-11-23 21:39:34下载
- 积分:1
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Image-fusion-
实现了基于小波变化的图像融合,并将融合结果显示出来(It realize the Image fusion based on wavelet transform and show the tesult)
- 2011-04-30 10:56:39下载
- 积分:1
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CMU-CS
很好的ica算法,计算ica时候用到,很好参考价值,卡内基学院用的程序(Good ica algorithm to calculate ica when used, a good reference value, the Carnegie Institute program)
- 2012-11-02 19:11:53下载
- 积分:1