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db-wavelet
- Matlab环境下利用Daubechies小波族中的db10小波对散斑退化图像进行了压缩数值仿真研究。研究表明：阈值以及分解层次的选取影响着图像压缩的质量。-Matlab environment using Daubechies wavelet tribal db10 wavelet the withdrawal of speckle image compression for the numerical simulation. Research shows : the threshold le
Image_Denoising_using_Wavelet_Thresholding
- 使用小波进行图像去噪的论文。 This paper proposes an adaptive threshold estimation method for image denoising in the wavelet domain based on the generalized Guassian distribution (GGD) modeling of subband coefficients.
小波图像分解与合成
- 3次非标准小波分解和重构， 使用两种小波：Haar小波和db9小波 设计3级小波分解和重构图像的程序 用你自己的照片作对象，显示其中任一种小波图像分解和重构过程 使用Haar小波时，计算阈值分别为0，5，10和20的情况下，用PNG格式存储重构的图像，并将计算结果填入“图像测试表” 使用db9小波时，计算阈值分别为0，5，10和20的情况下，用PNG格式存储重构的图像，并将计算结果填入“图像测试表” -3rd standard wavelet decomposition and reconstr
Wavelet-image-denoising-procedures
- 小波图像去噪程序。th=sigma*sqrt(2*log10(L*T)) 计算阈值 ch=c(1,num(4-i,1):num(4-i,3)+step(4-i)-1) 对各高频系数进行阈值处理 chl=length(ch) for j=1:chl if abs(ch(j))>=th ch(j)=sign(ch(j))*(abs(ch(j))-2*th/(1+exp(m*(ch(j)^2)))) 阈值处理函数 else -Wavelet image denois
thresholdtestdemo
- 本程序作用是首先载入图像信号,使用小波变换,比较显示不同阈值下的重构图像及相关信息，即小波变换在不同阈值下重构的测试演示程序 -This role is to first load the program image signal, using wavelet transform, comparison shows that different thresholds of the reconstructed image and related information, that is a dif
chengxu
- 中值滤波 阈值变化 边缘检测 图像细化 二值化变化 梯度锐化-Changes in the value of the filter edge detection threshold binary image thinning gradient sharpening
Example2_6_1
- 对图像的小波分解与重构，并且进行阈值滤波，对滤波前后的图像进行了对比-The image of the wavelet decomposition and reconstruction, and the threshold to filter the images before and after filtering were compared
waveletdenoise
- 这是本人的图像处理作业 包括利用各种基于小波的去噪过程，如硬阈值 软阈值等。。内容很丰富哦！相信一定对你有帮助的！-This is my image processing operations including the use of wavelet-based de-noising process, such as a hard threshold, such as soft-thresholding. . Oh, the content is very rich! I am sure wil
0
- 基于小波变换的低对比度图像增强, 基于DWT 的增强方法以及基于软阈值的小波缩减-Wavelet-based low-contrast image enhancement, the enhancement based on DWT and the wavelet-based soft-threshold cut
bayesthresholding2
- 本文实现基于贝叶斯(BAYES)阈值的小波(WAVELET)图像去噪算法，相比较其它的小波去噪算法而言，效果非常好-This realization based on Bayesian (BAYES) Threshold the wavelet (WAVELET) image denoising algorithm, compared with other wavelet denoising algorithm, the effect was very good
wavelet3
- 小波分析程序，用于图像压缩，图像的去噪，图像的阈值处理-Series of wavelet analysis for image compression, image denoising, image processing, and so the threshold
wavelet
- 使用小波变换进行图像去噪，对得到的高频部分利用软阈值和硬阈值法去噪-Image denoising using wavelet transform, the high frequency part by the use of soft threshold and hard threshold denoising
qz
- 基于小波变换的图像去噪中的集中阈值去噪。跟据阈值的具体确定方法来分类，-Wavelet-based image denoising the concentration threshold denoising. According to the specific method for determining the threshold to classify,
li3-13
- 利用二维小波变换实现数字水印，首先在图像中加入水印，重构图像，分离水印，最后检测和计算阈值。-Two-dimensional wavelet transform digital watermark, the first to add a watermark in the image, the reconstructed image, separate watermarks, detection and calculation of the final threshold.
diptest
- 使用对数变换减小动态范围经典的阈值函数 以及利用小波进行图像平滑-Using a logarithmic transformation reduces the dynamic range of the classic threshold function for image smoothing and the use of wavelet
Retinal_Blood_Vessel_Extraction
- This program extracts blood vessels from a retina image using Kirsch s Templates. Filtering of the input retina image is done with the Kirsch s Templates in different orientations. The threshold used in the program, can be varied to fine tune the out
Nlayer_denoise
- 小波变换的图像去噪，对图像进行分层。小波阈值去噪，对图像进行多层次的去噪。-Wavelet image denoising, layered images. Wavelet threshold denoising, multi-level image denoising.
DWT2D
- 对图像进行二维离散小波变换, 变换级数大于等于3级,然后进行阈值化处理(阈值约为10左右),再统计系数中0的个数（百分比表示）并进行重构, 最后计算重构图像的峰值信噪比(PSNR). -Two-dimensional discrete wavelet transform image transformed series is greater than or equal to 3, and then processing thresholding (threshold of about 10 or
shiyan2
- 基于小波变换的图像去噪算法，分别应用软阈值降噪图像处理与硬阈值降噪图像处理-Noise reduction image processing applications soft threshold and hard threshold denoising image processing image denoising algorithm based on wavelet transform
xiaobo
- 利用小波变换，通过设置阈值对图像进行去噪。 首先对图像用小波进行2层分解，然后通过设置硬阈值和软阈值的方法，对图像高频部分去噪。(The wavelet transform is used to denoise the image by setting threshold. Firstly, the image is decomposed into 2 layers by wavelet, and then the high frequency part of the image is d