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filter
- 1. 用imoise()函数给一幅数字图像加入’salt & pepper’和’Gaussian’噪声2）用3x3,5x5邻域平均平滑对图像进行处理3）用3x3,5x5中值滤波对图像进行处理， 2. 对一幅数字图像采用理想低通、Butterworth低通 、Gaussian低通滤波器进行平滑；对一幅数字图像采用理想高通、Butterworth高通 、Gaussian高通滤波器进行平滑。-1. With imoise () function to a digital image by a
belixiangditong_pinghua
- 数字图像处理，频域滤波：理想低通滤波器、梯形滤波器、巴斯沃特滤波器-Digital image processing, frequency domain filtering: an ideal low-pass filter, ladder filters, Bath Water Filter
filter
- 频域低通滤波（理想低通滤波器、梯形低通滤波器、巴特沃斯低通滤波器、指数低通滤波器），频域高通滤波（理想高通滤波器、梯形高通滤波器、巴特沃斯高通滤波器、指数高通滤波器）-Frequency-domain low-pass filter (ideal low-pass filter, ladder low-pass filter, Butterworth low-pass filter, the index low-pass filter), frequency-domain high-pass f
txlb
- 数字图像处理中的滤波和傅里叶压缩，包括理想低通滤波器，巴特沃茨高通滤波器，高斯带通滤波器，高斯带阻滤波器，FFT图像压缩。附原图像和处理后的图像截图。-Digital image processing in filtering and Fourier compression, including the design of an ideal low-pass filter, design Batewoci high-pass filter, bandpass filter design Gaus
FIR
- 用窗函数法设计一个长度N等于8的线性相位FIR滤波器。其理想的幅频特性为 分别用矩形窗、Hanning窗、Hamming窗、Blackman窗、Kaiser窗(ｂ=8.5)设计该滤波器。 -Window function method used to design a length N equal to 8 the linear phase FIR filter. Its ideal amplitude-frequency characteristics of rectangular w
high-and-low-pass-filter
- 这是Matlab实现高通滤波和低通滤波的源代码，主要包括巴特沃斯低通滤波器、理想低通滤波器和高斯低通滤波器。-this is the source code that has implemented the BTW low pass filter and ideal low pass filter as well as gaussian low pass filter.
idealfilter
- 理想低通滤波器的matlab实现代码，不是很完善，望见谅。-Ideal low-pass filter to achieve the matlab code, is not very perfect, hope will be forgiven.
FIR
- 数字信号处理基于matlab 文件内容 /conv(卷积部分) dupconv 重叠保留法 freqcirconv 频域圆周卷积 freqconv 频域卷积 timecirconv 时域圆周卷积 timeconv 时域卷积 /fft(频域分析部分) d2fft 基2FFT dft DFT最简化程序 dtft DTFT演示 /fir(fir滤波器设计) fir 得到fir滤波器hn getwindow 得到fir
FIRdesign
- FIR数字滤波器的设计方法主要是建立在对理想滤波器频率特性作某种近似的基础上的。这些近似方法有窗函数法、频率抽样法、最佳一致逼近法。在这里只讨论窗函数法。程序中也是采用了这种方法。-FIR digital filter design method is mainly based on the frequency characteristics of the ideal filter for some kind of approximation on the basis of. These app
firdesign
- 设计一个数字低通滤波器，来近似一个理想数字滤波器-Design a digital low-pass filter to approximate an ideal digital filter
t1
- 褶积运算，褶积滤波的应用，设计理想滤波器，-Deconvolution operation, the application of deconvolution filtering, design an ideal filter,
filter
- ％ y=filter(sig,fmin,fmax) ％ 对信号进行理想滤波，可完成低通，带通 ％ sig为被滤波信号 ％ fmin为下限频率，当fmin为0时为低通滤波器，当fmin>0时，为带通滤波器 ％ fmax为上限频率，fmax>fmin ％ fs为信号的采样频率 ％ y为经过滤波后的信号 -％ Y = filter (sig, fmin, fmax)％ of the ideal signal filtering, to be com
apsignalproc
- The Window Design Method The basic idea behind the design of linear-phase FIR filters using the window method is to choose a proper ideal frequency-selective filter [which always has a noncausal, infinite duration impulse response] and then tru
hpfilter
- 这不是一个标准MATLAB的函数 H = hpfilter （类型，男，氮， D0 ， n ）的创建传递函数的高通滤波器，氢，指定的类型和大小MxN 。可能的值类型， D0和N是： 理想 理想高通滤波器的截止频率D0 。 Ifsupplied ， n是被忽略。 btw 巴特沃思高通滤波器 n阶和截止D0 。 gaussn 高斯高通滤波器的截止（标准偏差） D0 。 如果提供，正被忽略。 M和N应该是偶数的密度泛函过滤。-THIS IS NOT A STANDARD MATL
ex6
- 数字图像处理 ideal lowpass filter and Gaussian lowpass filter 含报告 -Digital Image Processing ideal lowpass filter and Gaussian lowpass filter with the report
four-kinds-of-Ideal-filter
- 理想低通、高通、带通、带阻滤波器对指纹图像进行频域增强-low-pass, high pass, band pass, band stop filter of Ideal in frequency domain enhancement of fingerprint image
SGA
- 用标准的遗传算法优化低通数字滤波器的参数，采用的方法是最小均方误差法，得到较为理想的滤波器的传递函数的系数。-Genetic algorithm using standard low-pass digital filter, the method used is the minimum mean square error method to obtain the ideal filter transfer function coefficients.
wavelet-ideal-filter
- 小波域理想濾波器，用了WACEREC2和RICE小波工具包兩種方法實現-wavelet ideal filter using waverec2 & rice wavelet toolbox
gaussian-and-ideal-filter
- 此文档为自己编写高斯高、低通滤波器和理想高、低通滤波器，为matlab语言编写，可直接调用-This document is to write your own Gaussian high and low pass filter and a high ideal, low-pass filter for matlab language, can be called directly
Ideal Low-Pass Filter
- Ideal Low-Pass Filter