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A light implementation of a discrete convolution procedure using either the Laplacian or Identity kernel. You need the source image convolution-input.ppm. The result is convolution-result.ppm. -implementation of a discrete convo lution procedure usin
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紧支撑小波基的构造。
以Daubechies小波滤波器系数为例，推导出小波函数及尺度函数，并画出其图像.
void Convolution(double* pShortData, int nShort, double* pLongData, int nLong)
int CalcScaleFunction(double* pOutData)
int CalcWaveletFunction(double* pOutData)
Convolution()不是通用的离散卷积代码，而
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数字信号处理基于matlab 文件内容
/conv(卷积部分)
dupconv 重叠保留法
freqcirconv 频域圆周卷积
freqconv 频域卷积
timecirconv 时域圆周卷积
timeconv 时域卷积
/fft(频域分析部分)
d2fft 基2FFT
dft DFT最简化程序
dtft DTFT演示
/fir(fir滤波器设计)
fir 得到fir滤波器hn
getwindow 得到fir
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3D Reconstruction related-Generates the kernel of linear convolution used to model discrete LTI inverse problems
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小波轉換(Discrete Wavelet Transform, DWT)，所先對原圖水平做低頻和高頻的
convolution 之後降 頻，再做垂直的低頻和高頻的convolution，最後再降 頻，得到
結果。-Wavelet transform (Discrete Wavelet Transform, DWT), the first level of the Original low-frequency and high frequency of the c
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对三维图像进行求导的一个程序，利用高斯卷积后对图像求导相当于对高斯函数求导的性质。是用itk库写的一个通用模板类，里面还有例子。-Computation of local image derivatives is an important operation in many image processing tasks that
involve feature detection and extraction, such as edges, corners or more complicat
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一维离散小波变换和逆变换 mallat算法的实现，不是用卷积实现-One-dimensional discrete wavelet transform mallat algorithm, not the realization of convolution
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opencv实现一维数组离散卷积，vc6.0实现-opencv realized one-dimensional array of discrete convolution, vc6.0 achieve
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matlab 编写的离散和连续函数的卷积计算，可控制幅值、频率、相位等参数，有较好的图形界面。-Discrete and continuous function convolution calculation,written in Matlab. Parameters such as amplitude, frequency, phase can be changed, and there is a good graphical interface.
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利用MFC绘制正弦波，绘制离散序列并求其卷积，和DFT变化-MFC draw sine wave, to draw discrete sequence and find the convolution and DFT changes
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Image Compression
A collection of simple routines for image compression using different techniques.
BTCODE:
Image compression Using Block Truncation Coding.
PYRAMID:
Image compression based on Gaussian Pyramids.
DCTCOMPR:
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离散系统序列的基本运算，离散系统的冲激响应和阶跃响应，卷积的原理及应用， 离散LSI系统的时域响应，Z变换及其应用。-The basic operation sequence of discrete systems, discrete systems impulse response and step response, principles and application of convolution, time-domain response of discrete LSI system,
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基于MATLAB卷积积分与离散积分——方波与单边指数信号卷积及卷积过程演示-With discrete integral convolution integral, square wave and the unilateral exponential signal convolution and deconvolution process demonstration
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计算离散时间序列的卷积，是自编函数，不使用MATLAB提供的函数-Convolution computing discrete time series, is the self function without MATLAB functions provided
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E ective image compression requires a non-expansive discrete wavelet transform (DWT) be
employed consequently, image border extension is a critical issue. Ideally, the image border
extension method should not introduce distortion under compressio
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