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二维小波变换
- 关于二维小波变换的程序 [精华] 说明:此算法重在概念,速度并不是很快。因为FOR循环的缘故。此程序从循环矩阵的观点出发,把圆周卷积和快速幅里叶变换建立了联系。实现了分解和无失真重构。它只做了一层分解,即将256x256图形分解成为64x64的四个图形,避免了使用WKEEP()的困惑。主要思想为用小波滤波器族构造正交阵W,变换写为B=W*A*W ,反变换为:A=W *A*W,这与所有正交变换无异。W为循环正交矩阵,因此可用FFT实现快速运算,难点就在重构矩阵上。若用矩阵概念明确,一个
图像处理模板匹配
- 本程序可以对读入图像进行图像的小波变换,滤波处理,数字图像处理等多种针对图像进行的算法,并有完整的Vc源代码。-this program can read images Image wavelet transform, filter processing, digital image processing for image for a variety of algorithms, and the integrity of the source code Vc.
方便的小波变换原代码
- 小波变换源代码 wav_basic.c: basic filtering, decimation and upsampling routines. wav_basic.h: interface to wav_basic.c. wav_trf.c: transform routines. wav_trf.h: interface to wav_trf.c. wav_filters.h: where filter banks and their properties are de
dancy_graphics
- 示例图像处理中的若干算法,包括傅立叶正拟变换,低高通滤波,中值平衡等-examples of image processing algorithms, including Fourier transform is proposed, low-pass filter, the value of balance
filter
- 小波变换的一些源程序-wavelet transform some source
Interpolating
- FWT_DD用Deslauriers-Dubuc滤波器计算插值小波正变换 IWT_DD逆变换-FWT_DD with the 76th meeting-Philippe calculated interpolation filter wavelet transformation IWT_DD inversion
Biorthogonal
- MakeBSFilter产生完全重构双正交对称滤波器 MakeBSWavelet产生双正交对称小波和尺度函数的图形-MakeBSFilter have completely remodeling Biorthogonal symmetrical filter MakeBSWave have let biorthogonal wavelet and symmetric scaling function graphics
lelubo
- 滤波器系数重构运用该算法可以对图象进行去噪处理-reconstruction filter coefficients using this algorithm can be right image denoising
dbconstruction
- 任意阶daubechies小波函数的构造,包括尺度函数和小波函数以及滤波器系数的构造-arbitrary order PG wavelet function, including scaling function and wavelet function and the structure of the filter coefficients
waveletDenoising
- 用vc6.0开发出一小波滤波的程序。内容包括仿真数据生成,文本数据读取,滤波器系数构造,小波分解与重构,小波阈值及阈值函数选择,小波降噪。-vc6.0 developed using a wavelet filter procedures. Include simulation data generation, text to read data, filter coefficients structure, wavelet decomposition and reconstruction. W
MFCBandFilter
- 一个用MFC写的滤波器源代码,代码结构非常精巧,可以参考 功能:1 固定带通滤波 2 可变带通滤波 3 噪声删除 4 输入输出误差计算 实现比较简单,由于使用了Microsoft Foundation classes,代码流程很简单,但是实现的功能比较充分 Filter.h:头文件,定义了CFilterApp 类 Filter.cpp:利用MFC的函数实现了CFilterApp Filter.rc:资源文件,包括对话框和图标的说明-use a
582132085520061129234852432561
- 用小波变换对图像处理由很多优点,这是我保存的一个用小波变换作图像融合的程序,效果还不错,当然其中还有一些其他的 图像 处理的代码,如高通滤波 图像增强等,我觉得对学习图像处理很有用的,尤其是代码对小波分解分开写的,很具体了,希望对大家有用-wavelet transform to image processing by the many merits, This is the preservation of a wavelet transform for image fusion procedu
filter-design
- 滤波器设计:维纳滤波器设计 自适应滤波器设计 功率谱估计-Filter Design: Wiener filter design adaptive filter design power spectrum estimation
improved-mean-filter
- 该代码是在传统的均值滤波算法上进行的改进算法,更好的保留了图像信息,而且提高了信噪比-The code is to improve the algorithm in the traditional mean filter algorithm, the better to retain the image information, and improve the signal to noise ratio
Homomorphic-filter
- 同态滤波,matlab程序,可利用此程序实现同态滤波 去薄云等功能-Homomorphic filter
low-pass-filter
- 使用fir1函数实现低通滤波器,使用了hamming窗来实现的-Design of low pass filter using fir1 function and Hamming window
filter
- 比较常用的滤波算法,一阶滞后滤波法,算法中可以根据波形的实情况调整相关系数,滤波效果良好。-Commonly used filtering algorithm, a first order lag filter, the algorithm can be adjusted according to the actual situation waveform correlation coefficient, the filtering effect is good.
filter
- 采用自适应中值滤波RAMF法达到滤除噪声信号波形的效果-RAMF adaptive median filter method filter out the noise signal waveform results
Savitzky-Golay filter
- Savitzky-Golay滤波是一种工程应用数据处理中高效的滤波方法,能同时得到平滑后的数据和数据梯度。(Savitzky-Golay filter is an efficient filtering method in engineering application data processing, which can simultaneously obtain the smoothed data and data gradient.)
FFT、DWT、filter、PSD
- 对已测信号进行傅里叶变换,进行滤波器降噪,进行功率谱分析(Perform Fourier transform on the measured signal, perform filter noise reduction, and perform power spectrum analysis)