搜索资源列表
DFT
- 函数paddedsize可计算P和Q的最小偶数值,PQ则是避免折叠误差的串扰所采用的补零方法。 函数dftfilt是用于频率域滤波的M函数 在house中进行空域滤波与频域滤波的比较 函数dftuv创建用于实现频率域滤波器的网格数组 在number中进行低通滤波 还可基于lpfilter生成高通滤波器。 函数D=hypot(U,V)<=>D=sqrt(U.^2+V.^2)替代 函数f=tofloat(f)<=>f=im2double(f)替代-
pyzq
- 图像增强,仿真结果有巴特沃斯频域滤波,灰度调整,空域滤波,理想频域滤波,直方图均衡化-Image enhancement, simulation results Butterworth frequency domain filtering, grayscale adjustment, spatial filtering, the ideal frequency domain filtering, histogram equalization
Untitled
- 编码实现频域滤波的伪彩色增强处理。三个滤波器可以设置为分别通过低频、中频和高频分量。-Coded frequency domain filtering pseudocolor enhancement processing. Can be set to three filter by low frequency, intermediate frequency and high frequency components respectively.
vc_imageprocessing
- 对图像处理者的初学有帮助,实现图像的点运算,空域滤波,频域滤波等变换-Image processing beginner who help realize the image point operations, spatial filtering, frequency domain filtering, transformation
noise_reduction
- 设计音频降噪算法,并用MATLAB仿真实现。 1)读入一段音频后添加噪声,必须包括两种不同的噪声,信噪比:0dB~10dB; 2)分别采用滑动平均滤波器,直接频域滤波,以及谱分析后设计滤波器滤波三种方法实现,并对比效果。 3)给出各种方案的设计依据、代码、频响曲线,以及输入输出对比图。-Audio noise reduction algorithm design, and use MATLAB Simulation. 1) Read after adding noise int
To-get-work
- 本算法是采用频域滤波对工件进行提取。主要涉及到畸变校正,频域滤波消除网格,边缘提取,数学形态学等知识-This algorithm is a frequency-domain filter to extract the workpiece. Mainly related to the distortion correction, frequency domain filtering to eliminate the grid, edge detection, mathematical morph
image-processing
- 图像的频域变换,包括对数变换,使用填充和不使用填充的滤波,空间域滤波和频域滤波的比较,增强水平,垂直边缘等变换。 -Frequency domain transform images, including logarithmic transformation, using the fill and without using a filler filter, compare the spatial domain and frequency domain filtering filtering,
The-Fourier-transform-of-the-image
- 应用傅立叶变换进行图像处理 傅立叶(Fourier)变换的定义 空域滤波与频域滤波-The application of Fourier transform in image processing The definition of Fourier (Fourier transform Spatial filtering and frequency domain filtering
Image_Enhanced_System
- 实现了基本的图像增强,包括直方图均衡化,空域滤波,频域滤波等。-perform basic image enhance,include histogram equlization,spatial filter and frenquency filter.
tuxiangZengqiang
- 本文是基于MATLAB的GUI来对不同的(彩色或灰色)图像进行图像增强的相关处理,主要包括以下四点: 频域变换:傅里叶变换和离散余弦变换及其反变换,可将图像在空域上的特性转化到频域上; 叠加噪声:对图像添加高斯噪声和椒盐噪声; 空域滤波:对噪声污染后的图像添加不同模板下的平滑滤波和锐化滤波,可选择不同模板尺寸; 频域滤波:对噪声污染后的图像添加理想低通滤波器、巴特沃斯低通滤波器、理想高通滤波器、巴特沃斯高通滤波器、带通滤波器、带阻滤波器等,可实现平滑图像的效果。-This art
filter
- 这是若干种滤波程序,包括高斯滤波,拉普拉斯滤波,频域滤波等-this is a programme of several filters,including guass,laplace ,frequence and so on.
image-process-matlab-GUI
- matlab GUI程序,实现数字图像处理的许多功能,包括亮度变换,几何变换,空域滤波,频域滤波,小波变换,彩色图像变换,去噪,复原,压缩编码等。-matlab GUI program, many digital image processing functions, including brightness transformation, geometric transformation, spatial filtering, frequency domain filtering, wavel
appl3_1
- 频域滤波,然后对滤波后的信号进行傅里叶逆变换,得到时域信号并画图!-Frequency domain filtering, and then the signal after the inverse Fourier transform, the time-domain signal and draw!
appl3_2
- 频域滤波,然后对滤波后的信号进行傅里叶逆变换,得到时域信号并画图!-Frequency domain filtering, and then the signal after the inverse Fourier transform, the time-domain signal and draw!
appl3_3
- 频域滤波,然后对滤波后的信号进行傅里叶逆变换,得到时域信号并画图!-Frequency domain filtering, and then the signal after the inverse Fourier transform, the time-domain signal and draw!
appl3_4
- 频域滤波,然后对滤波后的信号进行傅里叶逆变换,得到时域信号并画图!-Frequency domain filtering, and then the signal after the inverse Fourier transform, the time-domain signal and draw!
appl3_4_1
- 频域滤波,然后对滤波后的信号进行傅里叶逆变换,得到时域信号并画图!-Frequency domain filtering, and then the signal after the inverse Fourier transform, the time-domain signal and draw!
iradonclj
- 平行光CT重建,频域滤波反投影iradon代码-FBP iradon
filter
- main.m主函数 freqz_m2.m 频域滤波函数 ideal_lp1.m理想滤波函数 matlab1.mat matlab2.mat 调用函数 可以实现微弱目标的分离提取技术-Can achieve the separation of weak targets extraction technology
image-giu-design--
- 多种图像处理算法的matlab GIU设计包括空域滤波,频域滤波,锐化,边缘检测,图像的旋转,缩放功能-多种图像处理算法的matlab GUI设计包括空域滤波,频域滤波,锐化,边缘检测,图像的旋转,缩放功能