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Description: 文章通过对实序列快速傅里叶变换的算法推导及Mallat 算法原理的分析，根据离散小波变换（DWT）算
法结构特征，提出了一种离散小波的快速变换算法，给出了相应的算法步骤。从数学理论上进行了论证，并把该算法
应用到静态图像处理中，得到了很好的快速和重建效果，具有一定的实用价值。
关键词：小波分析；Mallat 算法；快速小波算法 图像处理
中图分类号：TN914 文献标识码：A
1 引言
小波分析是近十多年来迅速发展起来的新兴学科和信号分析理论，是继傅里叶分析方法之后的重
大突变。它具有时域局部化和频域局部化的优点，而且高频端的时间间隔小（有着高的时间分辨率），
低频端的时间间隔大（有着高的频率分辨率），这与人的视觉机制由粗到细的认识过程相一致，固而有
“数学显微镜”之称，是进行信号处理和分析的有效工具。特别是其多分辨率分析理论及其快速算法
——Mallat 算法在数字信号处理和数字通信-articles on real sequence Fast Fourier Transform algorithm Derivation Principle and Mallat algorithm analysis, discrete wavelet transform (DWT) algorithm structure, a fast discrete wavelet transform algorithm, corresponding to the given algorithm steps. From a theoretical mathematical proof, and the algorithm is applied to the static image processing, to be a good and rapid reconstruction effect, it is of great practical value. Keywords : wavelet analysis; Mallat algorithm; Fast Wavelet Image Processing Algorithms Key words : ODFD code : A preamble to a wavelet analysis of the last 10 years developed rapidly emerging disciplines and signal analysis theory, Fourier analysis is the method after a major mutation. It is localized in time domain and frequency domain of local advantages, but hig
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Size: 9996 |
Author: 顶替 |
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Description: 内共有两个程序：1.用Mallat算法实现一维小波变换；2.用DWT实现二维小波变换。
从仿真图可以加深对小波概念及小波变换的原理。
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Size: 2783 |
Author: 罗万团 |
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Description: mallat实现信号的分解与重构，可帮助深刻理解mallat的意义
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Size: 1289 |
Author: xiaowu |
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Description: 1 本程序通过Mallat算法实现小波变换
2 本程序能打开任意长宽比的bmp图像，正方形的raw图像，352*288的gray图像，不能打开jpg图像-a procedure Mallat algorithm wavelet transform two procedures would open the arbitrary aspect ratio of bmp image, the raw square image, 352* 288 images of gray, unable to break jpg image
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Size: 2364416 |
Author: 周小川 |
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Size: 10240 |
Author: 顶替 |
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Description: 此源代码用以实现二维离散小波变换，基于mallat塔式算法-This source code used to realize two-dimensional discrete wavelet transform, Mallat tower algorithm based on
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Size: 2048 |
Author: 宗晓飞 |
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Description: 内共有两个程序：1.用Mallat算法实现一维小波变换；2.用DWT实现二维小波变换。
从仿真图可以加深对小波概念及小波变换的原理。-A total of two procedures: 1. Mallat algorithm using one-dimensional wavelet transform 2. With the realization of two-dimensional wavelet transform DWT. From the simulation wavelet map can deepen their understanding of the concept and the principle of wavelet transform.
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Size: 2048 |
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Description: mallat实现信号的分解与重构，可帮助深刻理解mallat的意义-Mallat realize signal decomposition and reconstruction can help a deep understanding of the significance of Mallat
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Size: 1024 |
Author: xiaowu |
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Description: Mallat小波快速算法的实现，非常的详细，而且函数全部模块化，方面调用。-This code is writed by matlab language,it used to process the mallat quick method
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Size: 2048 |
Author: 曾明 |
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Description: 离散小波变换与离散小波反变换 快速小波变换（Mallat小波分解算法）：对一幅图像做2级小波分解（离散小波变换）与合成（离散小波反变换）-Discrete wavelet transform and discrete wavelet inverse transform fast wavelet transform (Mallat wavelet decomposition): For an image to do 2 wavelet transform (DWT) and synthesis (discrete wavelet inverse transform)
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Size: 283648 |
Author: lana |
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Description: 本程序用DWT实现二维小波变换,进行二维小波分解并显示分解结果。-Mallat algorithm for 2-D wavelet transform. M-file Download
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Size: 1024 |
Author: 王凌霞 |
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Description: 利用matlab程序实现对一维信号进行连续小波变换，进而在程序的编辑过程理解一位连续小波变换的小波系数矩阵的含义。
同时通过对预算的到的小波系数矩阵进行分析解释，得到原始信号的频谱分布以及了解小波系数在尺度和位移两个分量上的意义。-Matlab program to achieve continuous wavelet transform of one-dimensional signal, and then in the editing process of the program to understand the meaning of a continuous wavelet transform coefficient matrix. Analysis to explain the budget to the wavelet coefficients matrix, the spectral distribution of the original signal, and understand the significance of the wavelet coefficients on the two components of scale and displacement.
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Size: 562176 |
Author: Haibin Zhang |
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Description: mallat实现信号的分解与重构，可帮助深刻理解mallat的意义-Mallat realize signal decomposition and reconstruction can help a deep understanding of the significance of Mallat
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Size: 1024 |
Author: coupfo |
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Description: 离散小波变换 mallat算法实现 小波变换-DWT wavelet transform algorithm mallat
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Size: 57344 |
Author: wuhuiling |
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