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code
小波域图像滤波,采用双变量收缩函数发实现(Bivariate Shrinkage Functions for Wavelet-Based Denoising)
- 2010-10-27 14:39:16下载
- 积分:1
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基于多级树集合分裂排序(spiht)的图像压缩算法
基于多级树集合分裂排序(spiht)的图像压缩算法(Image compression algorithm based on a collection of multi-level tree split-Sort (spiht) of)
- 2020-07-07 16:18:57下载
- 积分:1
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wavelet
用MATLAB对一语音信号进行小波分解,然后对其各层系数进行处理以达到小波抑制的目的,重构处理后的信号,画出波形分析;用MATLAB实现对一语音信号用不同小波进行分解,提取各层的高低频系数,画出各系数波形,并重构;用MATLAB对一图象分别用不同小波分解,观察高低频部分进行重构,比较重构误差,再进行阈值消噪,比较消噪前后图象;用MATLAB对一语音信号进行小波分解,分别用强阈值,软阈值,默认阈植进行消噪处理。(Wavelet decomposition and reconstruction)
- 2012-05-03 14:41:04下载
- 积分:1
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CS-OMP-wavelet-reconstruction
基于小波变换的图像压缩感知 并且进行OMP重建
对压缩感知的性能与采样点数进行性能分析与比较(Image compression based on wavelet transform perception and the OMP reconstruction performance of compressed sensing and sample analysis and comparison of performance points)
- 2011-04-22 09:19:59下载
- 积分:1
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mediumvaluefilter
中值滤波源程序,非常好用。程序有说明很容易看懂!(median filtering source, very handy. Note procedure is easy to read!)
- 2020-12-09 21:09:20下载
- 积分:1
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nsct_toolbox
多尺度图像非下采样轮廓波变换(NSCT)的工具箱,实现代码为Matlab版本。可用于图像的多尺度分析,如图像压缩、图像分割、图像融合和超分辨率等。(Multi-scale image nonsubsampled contourlet transform (NSCT) toolbox, code Matlab version. The images can be used for multi-scale analysis, such as image compression, image segmentation, image fusion and super-resolution.)
- 2020-09-02 16:58:08下载
- 积分:1
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连续小波变换 cwt
实现连续小波变换,对信号进行频谱分析。精度很高(continuous wavelet transform)
- 2015-10-16 21:58:51下载
- 积分:1
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thresold
说明: 基于小波变换阈值去噪的MATLAB源代码(包含小波包去噪程序)(threshold based on wavelet transform Denoising MATLAB source code (including wavelet denoising packet procedure))
- 2020-11-24 22:09:34下载
- 积分:1
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watermark_image
结合离散小波变换(DWT)技术,利用DWT与HVS相结合的良好特性,探索和建立了一种新的图像质量客观评价方法(taking advantage of the similarities of discrete wavelet transform (DWT) with HVS,a new methods for integrated image quality assessment)
- 2009-05-19 18:41:31下载
- 积分:1
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Fast_Algorithm_of_Edge_Detection_Based_on_Lifting_
本文通过比较第一代和第二代小波算法特点,引入二代小波提升结构的概念,提出了一种基于二代小波提升结构的快速图像边缘检测算法 对三次B样条小波基实现提升格式,通过计算大尺度下分解子图的模值和幅角来确定边缘 经过实验比较,能比经典的边缘检测算法得出更精确的边缘图像,同时通过与基于第一代小波算法的边缘检测比较,基于二代小波提升格式的边缘检测算法计算更快速,更高效。(In this paper, by comparing first-and second-generation wavelet algorithm features, the introduction of second generation wavelet to enhance the concept of structure, a second generation wavelet-based structure to enhance the rapid image edge detection algorithm on the three B-spline wavelet lifting scheme to achieve through Calculation of large-scale mold subgraph decomposition value and increase the edge angle to determine the experimental comparison, than the classical edge detection algorithm to draw a more accurate edge image, at the same time with the first generation of wavelet-based edge detection algorithm comparison, based on the Second generation wavelet lifting scheme edge detection algorithm is faster and more efficient.)
- 2008-06-23 13:18:06下载
- 积分:1