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wavelet
使用wavelet 將影像分解 再利用threshold方法去雜訊(use wavelet to denoised in a picture)
- 2013-01-14 22:57:59下载
- 积分:1
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3
故障行波波头识别:模极大值原理识别故障行波波头(Modulus maxima principles identified wave head)
- 2013-09-23 11:35:05下载
- 积分:1
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xiangrude1
利用小波变换实现和直方图均衡化相对比的图像的增强与分割.应该比较有用.分割也采取了几种技术的对比(using wavelet transform and histogram equalization relative ratio of image enhancement and segmentation. Be more useful. Pm cutting has taken several technical contrast)
- 2007-05-24 22:21:09下载
- 积分:1
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NSCT融合
说明: 主要用于图像融合。
NSCT融合有利于更好的保持图像的边缘信息和轮廓结构,增强图像的平移不变性。(It is mainly used for image fusion.
NSCT fusion is conducive to better preserve the edge information and contour structure of the image, and enhance the translation invariance of the image.)
- 2021-04-22 15:28:48下载
- 积分:1
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imagetransformcodes
此程序实现图象傅立叶变换、离散傅立叶变换和小波变换、可以自己设定小波变换的参数(this procedure image Fourier transform, discrete Fourier transform and wavelet transform, can set their own parameters of wavelet transform)
- 2006-10-19 13:19:03下载
- 积分:1
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contourlet_toolbox.tar
2002年,MN Do和Martin Vetterli提出了一种“真正”的图像二维表示方法:Contourlet变换,也称塔型方向滤波器组(Pyramidal Directional Filter Bank, PDFB)。Contourlet变换是利用拉普拉斯塔形分解(LP)和方向滤波器组(DFB)实现的另一种多分辨的、局域的、方向的图像表示方法。(In 2002, MN Do and Martin Vetterli proposed a "real" two-dimensional representation of images: Contourlet transform, also known as Pyramidal Directional Filter Bank (PDFB). Contourlet transform is another multi-resolution, local and directional image representation method based on Laplacian pyramid decomposition (LP) and directional filter banks (DFB).)
- 2020-09-11 14:38:01下载
- 积分:1
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compression
主要用于图像经小波变换压缩图像,并计算压缩后的图像压缩性能即压缩比和信噪比(Mainly used for image compression by wavelet transform image, and calculate the compressed image compression performance that the compression ratio and signal to noise ratio)
- 2010-01-29 16:10:02下载
- 积分:1
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小波变换
说明: 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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wnn_forcast
用小波神经网络变换对时间序列信号进行预测,并做了测试,效果很好,请参考(Transform using wavelet neural network to predict the time series signal, and do a test with good results, please refer to)
- 2009-09-24 17:41:18下载
- 积分:1
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tsxbxz
本程序实现了db2提升小波的消噪,可直接运行成功。(This program achieved a db2 lifting wavelet denoising can be directly run successfully.)
- 2009-11-03 09:36:52下载
- 积分:1