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小波压缩代码
- 对图像进行2维小波编码 来实现压缩。将小波分析引入图像压缩的范畴也是一个重要的手段,并且有着它自己的特点。它的特点在于压缩比高、压缩速度快,压缩后能保持信号与图像的特征基本不变,且在传递过程中可以抗干扰等等。(有两种方法)-of two-dimensional images wavelet compression coding to achieve. Wavelet Image Compression analysis of the introduction of the context is
dbwavlet
- 关于小波变换的基本编程,能够实现小波消噪。-Wavelet transform on the basic programming, wavelet denoising can be achieved.
orthogonalwavelettransform
- 介绍了传统线谱增强器(ALE)结构,分析了ALE的工作原理。ALE线谱增强的原因是降低了基本 输入和参考输入中的噪声相关性,由于对参考输入的权系数调整无法对噪声进行合理估计,正弦信号得到增强。 -Introduced the traditional linear spectrum enhancer (ALE) structure, an analysis of the working principle of ALE. ALE-ray spectrum is due to enhance
wavelet_c
- 该程序提供了小波变换的基本方法,该方法基于VC实现,可以用来做语音或图像的小波信号处理,也可用来作为小波分析课程的例子使用-The program provides the basic method of wavelet transform, the method is based on VC to achieve, can be used for voice or image of wavelet signal processing, can also be used as examples
superwavelet
- 超小波分析及应用,surfacelet 超小波的基本原理和应用环境。采用3D Context模型能够准确衡量变换系数能量接近情况。-Wavelet analysis and application of super, surfacelet super wavelet basic principles and applications. Using 3D Context model can accurately measure the conversion coefficient of energ
MATLAB2_lms
- 介绍了自适应滤波算法LMS的四个基本的程序算法,对初学者能够提供便利。-LMS adaptive filtering algorithm described four basic program algorithm, for beginners can be facilitated.
Wavelet-Analysis
- 对于非平稳信号的分析不能依靠傅里叶变换,但可以采用时频分析的方法,其中加窗傅里叶变换是最简单的一种。但是,它有很大的局限性:当基本窗函数一旦取定,窗口的时窗宽度和频窗宽度就固定了,不会随时域和频域的位移而变化。-For non-stationary signal analysis can not rely on Fourier transform, but you can use time-frequency analysis method, in which the windowed Four
wavelet
- 实现小波变换 构造小波矩阵 利用这个矩阵可是用来图像去噪 图像复原-use the basic functions in the matlab to constructe a simple wavelet tranform matrix and use this function you can complete image denosing and so on
Iris-feature-extraction-algorithm
- 基于二维小波变换和方向向量,提出一种新的虹膜特征提取方法。该方法的基本思想是考虑虹膜纹理的 灰度变化,对于多层小波分解后的低频分量,分别求其在4个方向上的方向向量,最后形成虹膜码。测试结果表明,该方法能 有效地提高虹膜的识别率,且算法简单、快速。 -The basic principle of the method is as follows.In view of iris textural intensity variation,for the low- frequency c
Gaussian_parameters
- 高斯光束是激光学中最普遍的光束,需要设置参数得到所需要的高斯光束,该程序可以通过调节参数得到所需要的高斯光束。-Gaussian beam is a basic and common beam in laser. In general, you need to set the parameters to obtain the Gaussian beam. The program can give the desired Gaussian beam by adjusting the parame