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zy1
摘要 该文主要考虑利用图像噪声再生技术来提取图像细节 其思想是利用被滤除的噪声信号进行回收再利用 通过对噪声信号和初步去噪信号进行小波变换 比较它们的小波系数 当噪声信号的小波系数达到一定的阈值时 将噪声信号的小波系数保留叠加至初步去噪信号的小波系数 然后利用传统的软阈值去噪的方法来进行图像的去噪 从而达到既能够去除噪声 又能保留图像细节的目的 实验证明 该方法较传统的方法在去噪和细节保持上有改进(Abstract In this paper, consider using images to extract the noise regeneration of its ideological image detail is the use of the noise signal was filtered to recycle through the noise signal and the initial wavelet transform de-noising signal comparison of their wavelet coefficients of the wavelet signal when the noise coefficient reaches a certain threshold will be the noise signal superimposed to the wavelet coefficients to retain the initial de-noising signal wavelet coefficients and then using the traditional soft-threshold denoising approach to image denoising in order to achieve the removal of noise can not only be able to retain The purpose of image detail that the methods of the experiment a more traditional approach to denoising and detail in there to keep improving)
- 2009-05-23 19:09:43下载
- 积分:1
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matlab_files
here is the matlab files for image array processing
- 2011-06-12 19:09:30下载
- 积分:1
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Harris-corner
Harris采用了一种新的角点判定方法。矩阵M的两个特征向量l1和l2与矩阵M的主曲率成正比。Harris利用l1, l2来表征变化最快和最慢的两个方向.若两个都很大就是角点,一个大一个小就是边缘,两个都小就是在变化缓慢的图像区域.(Harris adopted a new method of determining the corner. Matrix M of two feature vectors l1 and l2 with the matrix M is proportional to the principal curvatures. Harris use l1, l2 to characterize changes in the fastest and slowest in two directions. If both are great that corner, a little is a big edge, both small change is slow in the image area.)
- 2014-11-08 11:56:19下载
- 积分:1
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maichongyasuocode
脉冲压缩的程序和说明,进行了非常详细的说明和matlab仿真,很有帮助。(Pulse compression procedures and instructions were very detailed and matlab simulation, very helpful.)
- 2015-03-25 21:50:11下载
- 积分:1
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QAM_64
MATLAB coding for 64 QAM is given
- 2011-10-18 17:10:58下载
- 积分:1
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hash
散列算法,用于生成原始消息的数字指纹,本算发基于MATLAB编写,本算法包含多种流行的散列算法,包括SHA1和SHA-256等广泛应用的散列算法,通过本程序,可以对几种广泛应用的散列算法进行调用(Hash algorithm used to generate the digital fingerprint of the original message, this is based on MATLAB, this algorithm contains a variety of popular hash algorithm, including SHA1 and SHA- 256 hash algorithm is widely used, through this program, several widely used hash algorithms can be invoked)
- 2013-11-25 16:49:22下载
- 积分:1
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jakes-railay
衰落信道参数包括多径扩展和多普勒扩展。时不变的多径扩展相当于一个延时抽头滤波器,而多普勒扩展要注意多普勒功率谱密度,通常使用Jakes功率谱、高斯、均匀功率谱。(
The fading channel parameters include multipath spreading and Doppler spreading. The time-invariant multipath extension is equivalent to a delay-tap filter, while the Doppler spread should pay attention to Doppler power spectral density, usually using Jakes power spectrum, Gaussian, and uniform power spectrum.)
- 2016-10-10 09:26:48下载
- 积分:1
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MATLAB6.5-Application-Programming-
MATLAB6.5应用接口编程 包括接口介绍,MEX文件,matlab计算引擎(MATLAB6.5 application interface programming interfaces, the MEX file Matlab computational engine)
- 2012-06-15 18:55:11下载
- 积分:1
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sparse_test-master
matlab源码,对稀疏编码算法的实现以及测试,内含详细程序。(The matlab source code, implementation and testing of sparse coding algorithm, containing detailed program.)
- 2014-01-04 19:39:03下载
- 积分:1
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buck_open_loop
This file is very important for student ....
- 2014-02-18 00:21:57下载
- 积分:1