搜索资源列表
Butterworth_LPF
- Matlab入门级图像处理程序：利用巴特沃斯（Butterworth）低通滤波器对受噪声干扰的图像进行平滑处理-Matlab entry-level image processing procedures : use Butterworth (Butterworth) low-pass filter to noise interference by the image smoothing
filter-from-mat-prac
- 低通滤波器 提供1种滤波器，oneself设计的need the guidance thanks!-low-pass filter with a filter types. oneself design need the guidance thanks!
dfilter
- 用c语言实现的数字滤波的滑动平均法和低通滤波法-with C Language of the moving average filter and low-pass filter
IdealLowPassFilterusingDFT
- 采用离散傅立叶变换实现的低通滤波器，希望对你们有用，MATLAB实现-discrete Fourier transform of the low-pass filter, and I hope to you useful MATLAB
IIR_Chebyshev1_LP
- 自己编写的ChebyshevI型滤波器的源程序.对于毕业设计的同学,很有参考价值.它是ChebyshevI型低通滤波器-their ChebyshevI prepared by the filter type of the source. Design for graduate students, great reference value. It is ChebyshevI-type low-pass filter
IIR_Chebyshev2_LP
- 自己编写的ChebyshevII型滤波器的源程序.对于毕业设计的同学,很有参考价值.它是ChebyshevII型低通滤波器-their ChebyshevII prepared by the filter type of the source. Design for graduate students, great reference value. It is ChebyshevII-type low-pass filter
iir_Butterworth_low
- 数字滤波器的iir的Butterworth低通滤波器-Digital Filter iir the Butterworth low-pass filter
iir_chebyshev_I_low
- 数字滤波器的iir的chebyshev低通滤波器-Digital Filter iir chebyshev the low-pass filter
filters_band_low_high
- 滤波函数的实现，包括高通、低通、带宽等各种滤波算子，如equal,lag-the realization filter function, including high-pass, low-pass, and other bandwidth filtering operator, such as equal, lag, etc.
lowpassfilt
- 基于频率域的低通滤波器 主要有理想，巴特沃思，高斯等三种-based on frequency domain of the low-pass filter main ideals, Butterworth, including three Gaussian
IIR.c
- 用汇编设计的四阶椭圆低通IIR滤波器程序-design with a compilation of four order elliptic low pass filter procedures IIR
DFT进行频谱分析时的三种现象
- DFT进行频谱分析时的三种现象 1、混叠：对连续信号采样，要求连续信号是带限的，采样频率要足够高。Fs应满足Nyquist采样定理才不产生混叠。 采样前加低通滤波器防混叠 2、频谱泄漏：DFT对时域信号进行了截断（相当于采样信号乘了一个窗函数），时域的乘积相当于频域卷积，改变了原信号频谱。 改用其他窗函数（非矩形）改善泄漏。 3、栅栏现象：DFT 只给出了频谱在采样点上的取值，采样点间的频谱内容丢失。-DFT spectrum analysis of a
mi-fil
- 图像中值滤波，利用中值滤波和低通滤波进行比较，分析PSNR，得出性能差别-image filtering, using median filter and a low-pass filter, PSNR analysis, the performance differences come
T_filter
- 数字图像梯形低通滤波器，只要修改把大于号改成小于号就可实现高通滤波器-Digital Image trapezoidal low-pass filter, as long as the changes has been replaced by greater-than, less than can be achieved high pass filter
exp_filter
- 数字图像指数滤波器低通滤波器，只要修改把大于号改成小于号就可实现高通滤波器-digital image index filter low-pass filter, as long as the changes has been replaced by greater-than, less than can be achieved high pass filter
ideal_filter
- 数字图像理想低通滤波器，只要修改把大于号改成小于号就可实现高通滤波器-digital image ideal low-pass filter, as long as the changes has been replaced by greater-than, less than can be achieved high pass filter
ImageEnhancement
- 使用低通滤波的图像增强，程序内容contstrech.m, digitneg.m, rgcompress.m, skewing.m, slicing.m, slicing1.m, spatialhp.m, spatiallp.m, threshold.m-use of low-pass filtering the image enhancement, as contstrech.m procedures, digitneg.m, rgcompress.m, skewing.m. slicing.
IIRmatlab
- 设计低通滤波器的matlab源程序 IIR一阶低通滤波器，高通滤波器，Notch 嵌波滤波器-design of the low-pass filter Matlab source IIR an order low-pass filter, high-pass filter, Notch filter embedded wave
CodeforMATLABImageProcessing
- 程序代码说明 P0301：数字图像矩阵数据的显示及其傅立叶变换 P0302：二维离散余弦变换的图像压缩 P0303：采用灰度变换的方法增强图像的对比度 P0304：直方图均匀化 P0305：模拟图像受高斯白噪声和椒盐噪声的影响 P0306：采用二维中值滤波函数medfilt2对受椒盐噪声干扰的图像滤波 P0307：采用MATLAB中的函数filter2对受噪声干扰的图像进行均值滤波 P0308：图像的自适应魏纳滤波
tuxiangbianhuanyuchuli
- 该工程实现对数字图像的变换域的处理和应用。包括正交变换，频域低通滤波等。-realization of the project to transform the digital image processing and domain application. Including the orthogonal transformation frequency low pass filtering.