Functional analysis projects and source code

No spaces

The following C project contains the C source code and C examples used for no spaces. No Spaces takes any text file from the same directory and takes out all the spaces. It will then show you in the console and save it to a file named, "results.txt". It is useful for obfuscating anything. Included is a Macintosh and Windows version.

Distribution of the sum of independent non-identical bernoulli random variables using convolution in matlab

The following Matlab project contains the source code and Matlab examples used for distribution of the sum of independent non-identical bernoulli random variables using convolution . Y = BERNPDF(P) where P is an N x 1 vector returns the distribution of the sum of N Bernoulli random variables.

Mono and bidimensional box car convolution. fast. in matlab

The following Matlab project contains the source code and Matlab examples used for mono and bidimensional box car convolution. fast.. It uses the recursion hence, it is much faster as the windows get large. Call it two times for triangular window convolution. Example:  x=randn(300,100);  tic;y1 = conv2(x,ones(10,40),'same');toc  tic;y2 = boxconv(x,10,40);toc  err=y1-y2; norm(err,2)

Image despeckling using a non parametric statistical model of wavelet coefficients in matlab

The following Matlab project contains the source code and Matlab examples used for image despeckling using a non parametric statistical model of wavelet coefficients. This is a demo program of the paper J. Tian and L. Chen, "Image despeckling using a non-parametric statistical model of wavelet coefficients," Biomedical Signal Processing and Control, Vol. 6, No. 4, Oct. 2011, pp. 432-437.

Overlap add method using circular convolution technique in matlab

The following Matlab project contains the source code and Matlab examples used for overlap add method using circular convolution technique. Overlap Add Method: The overlap–add method is an efficient way to evaluate the discrete convolution of a very long signal with a finite impulse response (FIR) filter where h[m] = 0 for m outside the region [1, M].

3d spiht in matlab

The following Matlab project contains the source code and Matlab examples used for 3d spiht. These functions implement the 3D SPIHT algorithm, used for the compression of 3d wavelet coefficients. Such 3d wavelet coefficients are produced during the coding of video sequences.

1 d covolution in matlab

The following Matlab project contains the source code and Matlab examples used for 1 d covolution. In mathematics and, in particular, functional analysis, convolution is a mathematical operation on two functions f and g, producing a third function that is typically viewed as a modified version of one of the original functions, giving the area overlap between the two functions as a function of the amount that one of the original functions is translated.

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