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seismic_cpml

于 2014-04-17 发布文件大小:186KB

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下载积分: 1 下载次数: 117

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代码说明：

CPML在地震波模拟中的实现源码。主要包括了二维和三维交错网格有限差分及其完全匹配层实现。(Group progam for Seismic wave modeling.CPML implemention in finite difference of seismic wave modeling. )

文件列表：

README,479,2014-04-04
README_seismic_cpml.html,22170,2014-04-04
seismic_ADEPML_2D_elastic_RK4_eighth_order.f90,71064,2014-04-04
seismic_ADEPML_2D_viscoelastic_RK4_eighth_order.f90,85214,2014-04-04
seismic_CPML_2D_anisotropic.f90,54862,2014-04-04
seismic_CPML_2D_isotropic_fourth_order.f90,59244,2014-04-04
seismic_CPML_2D_isotropic_second_order.f90,58269,2014-04-07
seismic_CPML_2D_poroelastic_fourth_order.f90,68920,2014-04-04
seismic_CPML_3D_isotropic_MPI_OpenMP.f90,79389,2014-04-04
seismic_CPML_3D_viscoelastic_MPI.f90,85920,2014-04-04
seismic_PML_Collino_2D_anisotropic_fourth.f90,52869,2014-04-04
seismic_PML_Collino_2D_isotropic.f90,49104,2014-04-04
seismic_PML_Collino_3D_isotropic_OpenMP.f90,61744,2014-04-04

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detectpoint
光斑中心提取算法，在VS2010下，用opencv2.3.1编写的控制台程序，主要功能是利用hession矩阵和高斯滤波进行光斑中心点提取，里面附测试图片，提取精度为亚像素级别。(Spot center extraction algorithm, in VS2010, written by opencv2.3.1 console program, the main function is to use hession matrices and Gaussian filter for extracting the center spot, which is attached test images, the extraction accuracy of sub-pixel level.)

2014-04-16 15:33:49下载

积分：1
MSR_fft
matlab图象应用广泛于图象增强,其中的Retinex图象增强也越来越受到重视,对于彩色图象的处理效果很明显。(Matlab image widely used in image enhancement, The Retinex Image Enhancement also growing in importance for color image effect is obvious.)

2007-06-30 12:26:58下载

积分：1
222
这是一个常用的基于Fcm的图像分割源程序，希望对大家有用(This is a commonly used image segmentation based on FCm source, in the hope that useful to everybody)

2008-04-16 10:15:54下载

积分：1
digital-watermark-
基于傅里叶变换的数字水印嵌入技术，可用于图像加密领域。(Based on the Fourier transform of the digital watermark technology )

2012-02-28 16:11:23下载

积分：1
duochongxiaobo
说明：小波分析增强滤波。小波变换的原理类似傅里叶变换，只是把三角函数基换成了小波基。与傅里叶变换不同，小波变换有两个变量：scale和translation。scale控制小波函数的收缩，其导数即为频率，translation控制小标函数的平移，平移量对应时间。通过信号的伸缩平移，可以得到某种重合情况，这样积分也会得到一个极大值，不同的是，得到频率成分的同时，还可以知道该频率的时间位置。(Wavelet analysis enhances filtering.The wavelet transform works like the Fourier transform, except that the trigonometric basis is replaced by a wavelet basis. Unlike the Fourier transform, the wavelet transform has two variables: scale and Translation. Scale controls the contraction of the wavelet function, its derivative is frequency, translation controls the translation of the small scale function, and the translation corresponds to the time. By stretching and shifting the signal, you can get some kind of coincidence, so that the integral will also get a maximum, but the difference is that when you get the frequency component, you can also know the time position of that frequency.)

2020-12-24 11:48:44下载

积分：1
meanshift_seg
mean shift进行图像分割的matlab代码非常好用可直接对灰度或者彩色图像进行分割(matlab code for image segmentation by mean shift)

2012-03-04 12:12:08下载

积分：1
11111
两张图片相减散斑干涉图像获取 Two image subtraction Two image subtraction(Two image subtraction Two image subtraction Two image subtraction)

2016-05-26 11:36:08下载

积分：1
NCC-and-the-SSDA-based-feature-points-matching-the
基于NCC与SSDA的快速特征点匹配融合算法（图像匹配）(NCC and the SSDA-based feature points matching the rapid integration algorithm (matching))

2010-12-27 12:09:15下载

积分：1
paper2
低信噪比下周期平稳信号的稳健检测算法，希望对大家有用(Robust detection algorithms low SNR cycle stationary signals)

2014-08-27 20:46:10下载

积分：1
bfilter.tar
这是二维图像双边滤波的相关程序，具有保边去噪的效果，适合对图像进行处理。(This is the two-dimensional image bilateral filtering procedures, with the edge-preserving denoising effect, suitable for image processing.)

2013-10-21 14:52:56下载

积分：1

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