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图象处理集合
- 图象处理集合(对位图的处理)包括如下: 1.图象分析:图象分割和边缘检测 2.图象编、解码:huff,PCX,GIF,JPG等; 3.滤波处理:包含多种滤波器(高,低通,交互式带阻); 4.数学形态学:图象的腐蚀和膨胀,开、闭运算,图象的粗、细化等; 此外还有视图的编辑、灰度处理、图象恢复、小波分解和重构等等。-image processing pool (right bitmap processing) include the following : 1. Image analysis : S
filters
- 实现了多种空域、频域滤波器:直方图均衡化、中值滤波、拉普拉斯锐化、理想低通、巴特沃斯低通、去条带-realize various space-based and frequency-based filters, like equilzation, median filter, laplacian filter, ideal low-pass filter, Butterworth low-pass filter and wedge filter
LPF1
- 设计一个低通数字滤波器,满足如下设计指标: 通带截止频率:0.2pi,通带波动:1dB 阻带截止频率:0.3pi,阻带衰减:15dB 要求:采用切比雪夫Ⅱ型滤波器原型,并分别采用脉冲响应不变变换法和双线性变换法进行设计,比较设计的结果,并进行分析 -Design a low pass digital filters that meet the following design specifications: passband cutoff frequency: 0.2pi
fir
- FIR函数通过定义的系数和延时线来实现有限脉冲响应FIR滤波器。该函数产生了对输入数据的响应。该过滤器(通带,阻带等特点)由系数和抽头数决定。-FIR function by defining the coefficients and delay line to achieve the finite impulse response FIR filter. The function of the input data generated response. The filter (passban
liboqichengxi
- 巴特沃斯带通数字IIR滤波器对加了高斯随机噪声和正弦噪声的语音信号进行滤波,并绘制了两滤波器滤波后的语音信号时域图和频谱图。-Butterworth band-pass digital IIR filter added Gaussian random noise and sinusoidal noise of the speech signal is filtered, and draw a diagram of two filter the filtered speech signal tim
freqFilter
- 各种滤波:// ButterworthL() - 巴特沃斯低通滤波器 // ButterworthH() - 巴特沃斯高通滤波器 // MutualFilter() - 交互式带阻滤波器 // RetrorseFilter() - 巴特沃斯低通滤波器的逆滤波 // WienerFilter() - 有约束恢复的维纳滤波 // PSE_Filter() - 有约束恢复的功率谱均衡滤波 // MinPower() - 有约束恢复的最小平方滤波 (数字图象处理
CQMFB
- 设计一CQMFB,低通滤波器H0 (z)来自一半带滤波器。该半带滤波器的长度为47,通带截至频率ωp = 0.42 π,试给出H0 (z),H1(z),G0(z), G1(z)的幅频响应,单位抽样响应并画图。-The design a CQMFB, the low-pass filter H0 (z) from the half band filter. The length of the half-band filter 47, the passband cutoff frequency ωp
windowfunc
- 利用窗函数设计低通滤波器,使其通带为1MHZ,阻带为小于40dB。-Using window function to design the low-pass filter, its passband is 1MHZ and stopband is less than 40dB.
FIR
- FIR实现的滤波器,低通带通和高通可选,窗函数也可以自己选,带阻滤波器仅供理解之用,附带有设计的PDF文档-FIR filter implementation, low-pass band-pass and high-pass option, the window function can also choose their own, band stop filter for comprehension purposes, with a design of the PDF document
Matlab-digital-filter-design
- 课程设计实现了函数合成,并分别用低通、带通、高通滤波器分离合成函数中的波形-Programs designed to achieve function composition, and were low-pass, band-pass, high-pass filter separates the waveform synthesis function
FrequencyFilt
- 根据频率的不同,设置不同的滤波器,包括低通、高通、带通等-Depending on the frequency set different filters, including low pass, high pass, band pass, etc.
dsplvboqi
- 利用MATLAB软件设计四种(低通、高通、带通、带阻)滤波器的程序-Using MATLAB software design four kinds (low pass, high pass, band pass, band stop) filter program
Digital_Filter100
- 数字滤波器,有多种滤波方式:高通滤波,低通滤波,带通滤波。高斯滤波器,切必雪夫滤波器-Digital Filter, high pass filter, low pass filter, band filter, Goss filter and so on.
dsp11111
- 主要式设计滤波器,有低通高通带通带阻四种滤波器的频谱图,及其特性。-The main design filters, high-pass and low-pass band-pass filter, band-stop four kinds of spectrum, and its features.
Digital_Filter
- 数字滤波器,有多种滤波方式:高通滤波,低通滤波,带通滤波。高斯滤波器,切必雪夫滤波器-Digital Filter, high pass filter, low pass filter, band filter, Goss filter and so on.
filter
- 可以设计低通/高通/带通/带阻等各种形式的滤波器-You can design many kinds of filter here.
ex14
- IIR数字滤波器设计与实现:掌握用双线性变换法设计IIR数字滤波器的方法,掌握由低通到高通﹑带通﹑带阻的频率变换方法,掌握Butterworth滤波器设计的原理。-IIR digital filter design and Implementation: master the use of the bilinear transform IIR digital filter design method master low to high pass, band-pass, band resis
AFD_ELIP
- 用来设计椭圆低通滤波器,这种滤波器会在通带和阻带都有纹波-Analog Lowpass Filter Design: Elliptic
picture-filter
- 低通、高通、带阻滤波器进行介绍并进行具体滤波操作,比较这几种滤波器的图像处理效果。-Low pass, high pass, band-stop filter described filtering operation, and specifically, Comparative effects of these types of image processing filters.
29321754
- IIR数字滤波器,设计方法,低通,高通,带通,带阻()