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filterbutterworth
- 1.这是一个matlab滤波程序,内含空域二维卷积滤波;频域高通滤波;三级butterworth高通滤波器设计。 2.效果较好,内含较为翔实的代码注释,通用性,可移植性较强。-1. This is a Matlab filtering procedures, airspace containing 2D convolution filter; Frequency - domain high pass filter; 3 butterworth high pass filter design.
fwt2d_demo
- 小波变换源码,国外VC开发的,效果比较好 I ve been involved with wavelet-analysis since my Ph.D studies and over the years developed various wavelet-transforms C++ libraries. This one concerns 2D implementation of the Fast wavelet transform (FWT). The 2D FWT is used i
LIC
- 线积分卷积,可以利用白噪声图像实现二维向量矩阵的可视化,多用于流体研究。-Linear Integral Convolution(LIC), a visualization algorithm for 2D vector matrix.
1111
- 数字图象处理教程 INTRODUCTION 4 DIGITAL IMAGE DEFINITIONS 5 COMMON VALUES 6 CHARACTERISTICS OF IMAGE OPERATIONS 7 TYPES OF OPERATIONS 7 TYPES OF NEIGHBORHOODS 8 VIDEO PARAMETERS 9 TOOLS 9 CONVOLUTION 10 PROPERTIES OF CONVOLUTION 10 FOUR
fftbasedconvolution
- - conv2fft.m ---> M-file for 2D FFT-based convolution - convfft.m ---> M-file for 1D FFT-based convolution-- conv2fft.m ---> M-file for 2D FFT-based convolution - convfft.m ---> M-file for 1D FFT-based convolution
convolve
- 常用图象处理matrices. 在用于2D convolution 中非常有用的。 -commonly used image processing convolution matrices.
show2Dconvt
- 2D convolution c-code. it is used for 2D image processing .
convolve2
- CONVOLVE2可以用于任何CONV2使用,采取同样的参数并返回一个小的公差范围内同样结果。加速计算是通过使用面膜中的奇异值分解,表示为外产品总结一下。这些都可以有效地计算与行和列向量的卷积。 CONV2是用来从事这项运动。 可分面具是一个特殊情况,并受CONVOLVE2处理多达FILTER2一样。许多不属于其他口罩可分低等级(如Gabor函数口罩),并更有效地处理CONVOLVE2。 该功能也将计算出降秩逼近一个给定的面具如果需要的话,将使用此是否会加速计算。一个额外
GaussianKernel2D
- 一个产生2D高斯卷积矩阵的代码,比较简单,很容易明白。-generate the 2D gaussian convolution kernel
cuda2Dcov
- cuda 2D 二维图形上的快速卷积操作。C++语言实现-cuda 2D dimensional graphics on the fast convolution operation. C++ language
compression
- Image Compression A collection of simple routines for image compression using different techniques. BTCODE: Image compression Using Block Truncation Coding. PYRAMID: Image compression based on Gaussian Pyramids. DCTCOMPR:
ctRecontruction
- 该附件的函数可实现CT重建的功能,如简单的反投影,在空间域中使用卷积的滤波反投影,采用了二维傅立叶变换的滤波反投影,并利用中心切片定理滤波反投影。 CT技术诞生以来, 人们已经发展了众多的图像重建算法, 但各种算法均存在着各自的优缺点。解析重建(Analytic Reconstruction, AR)和迭代重建(Iterative Reconstruction, IR)是CT图像重建的两种基本方法。滤过反投影(Filtered Back Projection, FBP)是解析重建的主要算法