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数字信号处理的课后编程作业，要求是实现FFT变换，信号的卷积，还有数字滤波器的设计。前两个是VB编写的可执行文件，后面一个是VC的源程序，希望对大家有用
-Digital signal processing of after-school programming operations, the requirements for achieving FFT transform, the convolution signal, as well as digital filter design.
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实现wav文件的滤波，先将一个wav文件读到一个数组中去，也把滤波器的冲击函数放在一个数组中，然后进行卷积。-Wav files to achieve the filter, first read a wav file to an array, but also the impact of the filter function in an array, and then proceed to convolution.
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convolution filter which can be used to perform convolution to two functions. useful when you are trying to compress videos and images using convolution/multiplication method
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NAME:
bpass
PURPOSE:
Implements a real-space bandpass filter which suppress
pixel noise and long-wavelength image variations while
retaining information of a characteristic size.
CATEGORY:
Image Processing
CALLING SEQUENCE
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使用gabor函数对图像进行卷积操作，对学习图像滤波很有帮助-Gabor function image using the convolution operation, very helpful for learning image filter
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语音信号的数字滤波,双线性卷积实现滤波器的设计-The voice signal of the digital filtering, bilinear convolution filter design
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MATLAB source code of linear and circular convolution and box filter implemented as a function ca-MATLAB source code of linear and circular convolution and box filter implemented as a function call
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16阶的卷积滤波函数,更改滤波器的系数，实现不同频率带宽的滤波。-16 order of convolution filtering function, change the filter coefficient, implement different frequency bandwidth of the filter.
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有源码，适合学习C++的人
一、 读入一幅灰度图象，编写程序显示图象中任一象素点的灰度值。
二、 编程实现RGB彩色空间到HSV彩色空间的转换，并通过调整H、S、V的值实现图像亮度、色度和色饱和度的调节。
三、 1.灰度线性变换、分段线性变换
2.灰度直方图均衡、规格化
3.图象卷积：各种模板实现低通、高通滤波
4.图象中值滤波、最大值滤波、最小值滤波、模板选择滤波
5.伪彩色图象增强
四、 1.图象的加、减、乘、除和逻辑运算。
2.图象的镜像变换、图象的缩放
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中值平均滤波法，中值滤波是一种非线性滤波，一般用来处理图像的椒盐噪声。当用来保持边缘同时滤波的要求下，中值滤波要比卷积滤波更加有效。-Median filter is a nonlinear filtering, usually used for salt and pepper noise image processing. When the filter is used to keep the edge of the filter, the median filter is more effe
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以对图像进行复制、粘贴、剪切、全选、取消选择和翻转。
过滤图像，包括锐化、浮雕、腐蚀、风化。对图像进行滤波处理：包括最小值滤波处理、最大值滤波处理和中值处理。
对彩色图像进行变换：包括彩色转灰度、彩色转黑白、平滑处理、霓红处理。软化图像，包括红色、绿色、橙色；硬化图像，包括红色、绿色、蓝色。
对图像进行卷积处理，包括水平增强、垂直增强和双向增强。
对图像进行边缘探测，例如右下边缘抽出，拉普拉斯（8邻域）。给图像进行对比度增强，进行FFT分析，以及对两幅图像进行合成。
可以选择
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计算两个矩阵之间的欧氏距离，意信号卷积的运算,并且绘制图象，FIR 底通和带通滤波器和IIR 底通和带通滤波器。- Calculation of the Euclidean distance between the two matrices, Convolution operation is intended to signal and image rendering, Bottom-pass and band-pass FIR and IIR filter bottom pass and ba
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各种kalman滤波器的设计，实现了图像的灰度化并进一步用于视频监视控，意信号卷积的运算,并且绘制图象。- Various kalman filter design, Achieve a grayscale image and further control for video surveillance, Convolution operation is intended to signal and image rendering.
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FIR 底通和带通滤波器和IIR 底通和带通滤波器，应用小区域方差对比，程序简单，意信号卷积的运算,并且绘制图象。- Bottom-pass and band-pass FIR and IIR filter bottom pass and band-pass filter, Application of small area variance comparison, simple procedures, Convolution operation is intended to signal an
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二维图像的投影和图像重建，直接傅里叶反变换法，先反投影后滤波，先滤波后反投影，卷积反投影(Two dimensional image projection and image reconstruction, direct Fourier inverse method, first backprojection, after filtering, first filter, back projection, convolution back projection)
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滤波，形态学处理，重建，求skeleton(Filter ;
convolution;
skeleton;
distance transfrom;
dilation; erosion;)
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用 labview编的关于ＦＦＴ，离散卷积和，数字滤波器的设计的程序代码。(With LabVIEW series on FFT, discrete convolution, and digital filter design code.)
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通过卷积希尔伯特滤波器等方法进行移频，随意尝试，(By convolution Hilbert filter and other methods of frequency shift, random attempt,)
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探索卷积的不同的实现方法，而非用matlab中的卷积命令(explore how this can be calculated efficiently using the FFT. This entails understanding the
difference between linear and circular convolution. We will explore using the FFT and compare it with a conventional
direct im
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所附代码提供了上述三种反卷积策略的实现。要开始，用户应该检查文件demo.m。反褶积子程序在以下文件中实现:deconvL2频率.m:在频域反褶积，假设高斯导数在前面。2.deconvL2.m:利用共轭梯度算法，假设在空间域上存在高斯导数先验的反褶积。3.deconvSps.m:利用迭代重加权最小二乘算法，在空间域上假设一个稀疏导数先验的反褶积。(The enclosed code provides the implementation of the above three deconvolut
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