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于 2020-12-08 发布文件大小:277KB

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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))

文件列表：

2.m,4033,2010-05-09
downspl.m,308,2010-05-08
mydwt.m,846,2010-05-09
myidwt.m,1204,2010-05-08
upspl.m,431,2010-05-08
wave2gray.m,4804,2010-05-09
wavecopy.m,940,2004-12-16
wavecut.m,1089,2004-12-16
wavework.m,3528,2004-12-16
实验二图像变换.doc,359424,2010-05-09

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Liftwavelet
D5/3提升整数小波，可实现图像的无损压缩，包括一维和二维图像整数小波变换(D5/3 integer wavelet upgrade can realize lossless image compression, including the one-dimensional and two-dimensional image integer wavelet transform)

2007-07-13 16:41:18下载

积分：1
dfdfd
基于小波域的图像压缩分组编码及其差错隐藏.(Image compression based on wavelet packet coding and error to hide.)

2011-11-26 14:56:27下载

积分：1
MedCosmCGHMaker_13
数字全息和计算程式计算全息图的制作和再现过程主要分为以下几个步骤： 1抽样。得到物体或波面在离散样点上的值。 2.计算。计算物光波在全息平面上的光场分布。 3.编码。把全息平面上光波的复振幅分布编码成全息图的透过率变化。 4.成图。在计算机控制下，将全息图的透过率变化在成图设备上成图。如果成图设备分辨率不够，再经光学缩版得到实用的全息图。 5.再现。这—步骤在本质上与光学全息图的再现没有区别。 (Digital Holography and CGH for calculating the production and reproduction process is divided into the following steps: 1 sampling. Be objects, or wavefront-like point in the discrete value. 2. Calculated. Calculation of complex light plane in the holographic optical field distribution. 3. Coding. The hologram plane the complex amplitude distribution of light into a hologram coding changes in the transmittance. 4. As Fig. Under the control of the computer, the hologram transmittance change in the mapping device mapping. Mapping equipment, if not resolution, then reduced by the optical version of a hologram to be practical. 5. Reproduction. This is- these in essence a hologram and the optical reproduction is no different.)

2009-06-24 00:45:57下载

积分：1
离散小波变换
我实现的离散小波变换，可直接运行，采用三级变换(Discrete wavelet thransform)

2017-06-27 08:08:10下载

积分：1
二进小波变换的图像增强
这是基于二进小波变换的图像增强matlab源代码，通过编译。(this is a sound code of image enhancement based on dyadic wavelent ,by translate and edit )

2021-03-24 10:39:16下载

积分：1
XIAOBOFJ
该程序可以实现对信号的小波分解、重构及各频带能量比分析(The program can achieve signal wavelet decomposition and reconstruction and the band energy than)

2013-05-10 15:28:34下载

积分：1
rgbwavelet
彩色RGB图像小波变换，并且重构出低频、中频、高频各个频带子块的图像。(RGB image wavelet and restruct the different frequency band)

2021-04-11 16:08:58下载

积分：1
Eslami_HWD_Toolbox (1)
小波基contourlet变换其中包含spiht编码去噪纹理识别(Wavelet transform contourlet transform includes SPIHT coding and denoising texture recognition.)

2021-04-01 09:09:08下载

积分：1
lift97mlhard
个人编写的提升格式97小波去噪，采用硬阈值法，三层分解，包括小波变换，去噪，逆变换三步(Written format of 97 individuals to enhance the wavelet denoising using hard threshold method, three decomposition, including wavelet transforms, denoising, inverse transform three-step)

2020-06-29 04:20:02下载

积分：1
waveletlegall53
Le Gall 5/3 小波变换及其反变换，可用于JPEG2000无损压缩中(Le Gall 5/3 wavelet transform and its inverse transform，which can be used for lossless compression in JPEG2000)

2009-03-10 11:21:49下载

积分：1

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