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lpfilter1
- 要求做一个实验,对一副M*N大小的图像重复使用截频为D0的高斯低通滤波器进行滤波。假设K为滤波次数。当K足够大时,滤波结果是什么样?并从理论上说明这一结果产生的原因。 -Asked to do an experiment on a M* N image size cutoff frequency reuse as D0 Gaussian low-pass filter for filtering. Assuming K is the filter frequency. When K is l
Gaussian-filter
- 高斯滤波器,利用傅里叶变换实现高斯低通和高通滤波-Gaussian filter
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
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- ex4_2 用MATLAB作巴特沃斯低通滤波器设计 ex4_3 用MATLAB作切比雪夫-1型低通滤波器设计 ex4_4 切比雪夫-2型低通滤波器设计 ex4_5 椭圆型低通滤波器设计 ex4_6 传递函数的模拟滤波器数字化 ex4_7 脉冲不变法简单实例 ex4_8 脉冲不变法巴特沃思低通滤波器设计 ex4_9 脉冲不变法变换切比雪夫Ⅰ型低通滤波器设计 ex4_10 脉冲不变法变换切比雪夫Ⅱ型低通滤波器设计 ex4_11 脉冲响应不变法椭圆低通滤波器设计
Gaussian-and-Histogram
- 高斯低通滤波 直方图均衡化 人脸识别 预处理灰度图-Gaussian low-pass filtering grayscale histogram equalization recognition preprocessing
filter
- 试用奇阶互补法设计两带滤波器组(高、低通互补),进而实现四带滤波器组;并画出其频响。滤波器设计参数为:Fp=1.7KHz, Fr=2.3KHz, Fs=8KHz, Armin≥70dB。-Try odd order with two complementary methods designed to filter group (high and low pass complementary), thus achieving four-band filter group and draw its
GLPF
- 该代码可以实现MATLAB对图像进行高斯低通滤波-The code can achieve MATLAB for image Gaussian low-pass filter
gaussian
- 设计频域滤波器消除噪声 1.选择灰度图像:Lena; 2.对该灰度图像添加高斯噪声; 3.设计高斯低通滤波器以降低噪声: -Design frequency domain filter to eliminate noise 1. Select the grayscale image: Lena 2. Add the grayscale image Gaussian noise 3. Design of a Gaussian low-pass filter to r
Text
- 了解BMP文件的格式,实验二灰度变换,实验三图像平滑,实验四边缘提取,实验五频域变换,实验六高斯低通滤波器,实验七图像压缩,实验八 形态学变换-Learn BMP file format, two gradation transformation experiment, experiment three image smoothing, edge extraction experiment four, five frequency domain transformation experiment
Untitled1
- 对图像进行高斯低通滤波处理,对图像进行滤波-The image Gaussian low-pass filtering process, the image is filtered
Guassian-filter
- 读取图片 并使用高斯低通滤波器对图片平滑-to read a bmp image to compute its smoothed result with a 3*3 Guassian filter (sigma=1)
gaussian_Lowpass_filter
- 高斯低通滤波器设计,并画出过滤波器之前之后的信号时域图和频域图-Gaussian low-pass filter design, and had been painting of filter before and after the signal time domain and frequency domain
FIR_lowpass
- 一种实用的基于FPGA的8阶高斯低通FIR滤波器-A practical 8 order gaussian low-pass FIR filter based on FPGA
t_12
- 1、图像中值滤波实验 ①用imnoise函数在图像’lena.bmp’中值添加椒盐噪声,观测结果 ②用medfilt2函数对含噪声图像中值滤波。 2、使用fspecial函数生成均值、Prewitt、Sobel、Laplacian滤波模板,再用filter2函数对‘cameraman.tif’图像进行空域滤波,显示滤波结果。 3、设计高斯低通和高通频域滤波器,对‘phantom.bmp’图像进行频域滤波,显示滤波结果。然后改变滤波器截止频率,观察对结果的影响。 4、用i
image_lvbo
- matlab中二阶巴特沃斯高通滤波器及二阶巴特沃斯低通滤波器的代码,可以直接用于matlab中使用。(Matlab two Butterworth high pass filter and two order Butterworth low-pass filter code, can be used directly in matlab.)
b
- 基于MATLAB GUI 设计的数字信号处理系统,可以实现基本的信号生成,信号分析和信号滤波以及简单的语音信号处理等功能。其中信号生成模块可实现正弦波、方波、三角波、高斯白噪声、chrip信号的生成和叠加;信号分析模块支持基本的傅氏变换下的频域分析功能;信号滤波模块可以实现数字低通、高通、带通、带阻下的切比雪夫、巴特沃思、椭圆滤波器的设计和滤波处理;语音信号处理模块可以实现音频文件的读取、播放、叠加噪声、滤波等功能。(Based on MATLAB GUI design of digital s
hough_circle
- 将图片进行高斯低通滤波法进行滤波处理,霍夫圆检测原理识别图片中的圆(The picture is filtered by Gauss low-pass filtering, and the Huo Fuyuan detection principle identifies the circle in the picture)
LC滤波器设计小软件
- LC滤波器设计小软件,包含带通低通和高通滤波器(LC filter design small software)
DFT
- visual c++写的傅里叶变换,以及在频域实现低通滤波和高通滤波(Fourier transform written by visual c++ and low-pass filtering and high pass filtering in frequency domain)
matlab code实验7高通、低通、带通和带阻滤波器
- < 数字图像处理算法及应用>这本书的相关代码(Image Processing Algorithm and Practices is an important book in IP and AI. High-pass Filter is very normal and practical tool.)