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wmlow
- 基于一级小波变换的将2值图像嵌入宿主图像低频子带的水印嵌入及提取算法-based on a wavelet transform the image of two images embedded host low-frequency band and the embedded watermark extraction algorithm
wavelets-11
- 本程序实现利用小波变换对图像进行分解，获取其低频和高频部分-the program using wavelet image decomposition, their access to low-frequency and high-frequency part of
ImgComBasedonWavletandNN
- Matlab实现图像压缩与重构步骤 ① 对图像进行小波分解，得到第一层分解的低频系数和高频系数。 ② 保留低频系数，对高频系数进行基于神经网络的矢量量化编码，达到压缩。 ③ 根据码书以w还原高频系数 ④ 根据保留的低频系数和还原的高频系数重构图像 -Matlab realization image compression and the heavy construction step (1) pair of picture carries on the wavelet to
wavelet-vc++6
- 小波变换程序源代码，可以处理一维数据和二维图像数据。通过小波变换将低频信息提取出来。-wavelet transform source code, can handle data and one-dimensional two-dimensional image data. Through the wavelet transform to low-frequency information is extracted.
func_Myappcoef2
- 此函数用于求得多重小波变换后的低频小波系数，在matlab自带的函数基础上改的。-this function to obtain multiple wavelet transform the low-frequency wavelet coefficients, In Matlab built-in function on the basis of reform.
new4
- 先产生一个信号。然后对信号进行小波变换，得到低频和高频系数-first produce a signal. Then the signal wavelet transform, and low-frequency and high-frequency coefficients
2recover
- 将水印加在低频区域可以具有较好的鲁棒性 将水印加在高频区域可以获得较好的透明性, 但鲁 棒性差 将水印加在中频区是一种鲁棒性与透明性 的折中方案。-watermark added to the low-frequency region can have good watermark robustness added to the high frequency region can be made good through Ming, but the poor robust wate
tuxiangronghe
- 本文给出了一种混合多级式多聚焦图像融合方法。对于三层小波分解的多聚焦图像融合，每幅图像被分解为三层十个频带。对这十个频带本文分别采用三种方法进行融合。对于低频系数，本文仍然采用求平均法；对于高频系数本文采用方差法和最大系数法进行融合。它们的计算量比最大系数法大一些，但是融合结果更接近于原始清晰图像，而相比于方差法，它们的计算量小的多，但是融合质量稍差一些，应用者可以根据不同的需要进行选择。-This paper presents a hybrid multi-level multi-focus
blockzigzag.rar
- 先将图像分为4*4的重叠分块,然后将各个分块的三个颜色通道的直方图平均化,再将其进行离散余弦变化,分别提取各个通道的低频系数.,First image is divided into 4* 4 sub-block overlap, and then each sub-block of the three color channel histogram equalization, and then its discrete cosine Change, were extracted from ea
lvbo
- 先由原始图像（任选）产生待恢复的图像； 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩。 分别用逆滤波和维纳滤波恢复上面图像。 -First be the original image (optional) to restore the image to be generated the use of two-dimensional wavelet analysis of an image for two-layer wavelet decom
LowpassFiltering
- 本实验要求要求实现高斯低通滤波器的程序，并设定截至频率半径为15时得到如课本上图4.18图c的图。使低频通过而使高频衰减的滤波器成为低通滤波器，被低通滤波的图像比原始图像少一些尖锐的细节部分。本实验就是设计实现高斯低通滤波器。-Requirements of this experiment requires low-pass Gaussian filter procedure and set the frequency up to a radius of 15 textbooks, such a
FT
- 基于傅里叶变换的去除图像纹理方法。通过去除频域高亮区域来消除纹理，保留低频信息。-Based on Fourier Transform method to remove the image texture. Highlighted region by removing the frequency domain to eliminate the texture, retain low frequency information.
belixiangditong_pinghua
- 数字图像处理，频域滤波：理想低通滤波器、梯形滤波器、巴斯沃特滤波器-Digital image processing, frequency domain filtering: an ideal low-pass filter, ladder filters, Bath Water Filter
反演解析算法
- 仿真获取四幅互差半个像素的低分辨率图像，利用反演解析算法重建出一副高分辨率图像，属于亚像元技术或者超分辨率技术。-Simulation Interoperability poor access to four half-pixel low-resolution images, the use of inversion algorithm for the reconstruction of an analytic high-resolution images, belong to sub-pixe
WaveletTransform
- 利用二维小波分析对一幅图象作2层小波分解,并在此基础上提取各层的低频信息实现图像的压缩.-The use of two-dimensional wavelet analysis of images for a 2-layer wavelet decomposition, and on this basis the low-frequency information extracted all levels to achieve image compression.
WaveletImageFusion
- 该程序是用小波的方法对两幅图像进行融合。在低频系数对小波系数采用基于区域方差的加权融合方法处理,高频系数采用基于像素点小波系数绝对值取大的规则进行融合。该方法避免了图像融合过程中因平均化而出现的模糊现象, 融合后的图像内容更加清晰, 更容易识别。-The program realized to fuse two images by the method of wavelet. In the low-frequency coefficients of the wavelet coefficient
A-DCT-watermarking-algorithm
- 提出了一种在数字图像上实现的盲水印算法, 嵌入的水印是64 64 8 bit 灰度图。该算 法用宿主图像的8 8 分块的DCT 域低频对应系数, 进行量化取余的方法嵌入水印。-Proposes a new digital image watermarking algorithm implemented on the embedded watermark is 64 64 8 bit gra
wfb2dec
- 对一幅二维的图像，进行小波分解，得到四幅子图，分别为低频，两个中频，高频分量-For a two-dimensional image, the wavelet decomposition, four sub-graph obtained were low, two medium frequency, high frequency components
LOW-PASS-FILTER
- 本程序主要能实现对图像进行低通滤波，保护图像的低频信息，滤除高频信息，为图像边缘检测提供良好的环境-This procedure can realize the image is low pass filtered, low-frequency information of the protected image, to filter out high frequency information, provide a good environment for the image edge det
lowpassfilter
- matlab编程利用三种低通滤波器对图像的滤波(uses three low pass filters to filter the image)