Gender Transform

In the present program three methods are used to solve a heat conduction problem. This problem is given in M. N. doOCozisik, Heat Conduction, Wiley, New York, 1980. We use pdepe, short times solution based on analytical inversion of a Laplace transform and finally a numerical solution based on...

Circular Hough transform based on the gradient field of an image.1. Operates on grayscale images, NOT B/W bitmaps.2. NO loops in the implementation of Circular Hough transform, which means faster operation but at the same time larger memory consumption.3. Detection of radii works for concentric...

Hough transform for circles in any size.returns a list of all circles found(position and radius) in an RGB image.includes function for:drawing a circle on an image.finding the maximum points in a 1d signal.


Platforms: Matlab

The code implements the following paper:Guorong Xuan, Jiang Zhu, Jidong Chen, Shi Y.Q., Zhicheng Ni, Wei Su, "Distortionless data hiding based on integer wavelet transform" IET Electronics Letters, Volume: 38, Issue 25, page 1646- 1648, December 2002. (ISSN: 0013-5194)The watermark embedding and...


Platforms: Matlab

Noisy environments make difficult the pattern recognition tasks. In this sense, and due to the artifacts that are present in the acquisition process, the most of the biomedical images (i.e. coming from magnetic resonance tests) become noisy and it is complicated even to define a Region Of...


Platforms: Matlab

Doing linear tests (like ANOVA or t-tests) on proportional data (values between 0 and 1) is difficult since the distributions of these values are not strictly Gaussian, especially when the proportions are near 0 or 1. The Rationalized Arcsine Transform linearizes the proportions and converts them...


Platforms: Matlab

This Hough transform is highly optimized. It uses the midpoint circle algorithm to draw the circles in voting space quickly and without gaps. It also includes an option for searching only part of the image to increase speed if a rough estimate of the circle locations is known.


Platforms: Matlab

This Face Recognition System uses Kekre Transform for Face recognition depicted through a GUI.This GUI depicts the face recognition system developed through feature extraction by Kekre Transform Algorithm. There are several functions that are provided using the GUI such as the view testbase and...


Platforms: Matlab

The numerical inversion of the Laplace transform is a long standing problem due its implicit ill-posedness. These functions implement one of the more well known numerical inversion algorithms, the Weeks method. Particularly new here is the use of graphics processing unit [GPU] computing to...


Platforms: Matlab

LAPLACEOFPARETO evaluates the Laplace-Stietljes transform (LST) of the Paretodistribution with parameters a and b. Specifically, this function evaluatesthe LST E[exp(-sX)] of a random variable $X$ which has Pareto distribution$F(x)=1-frac{b^a}{(b+x)^a}$, where s>0, a>0, b>0. The formula used...


Platforms: Matlab

This demonstration is intended for people who know something about the theory of the discrete Fourier transform, and who would find it helpful to see some its properties demonstrated graphically, using a programming language.The demonstration shows the form of the Fourier components of a signal...


Platforms: Matlab

Y = DCTN(X) returns the discrete cosine transform (DCT) of X.X = IDCTN(Y) returns the inverse discrete cosine transform (IDCT) of Y.Y = DSTN(X) returns the discrete sine transform (DST) of X.X = IDSTN(Y) returns the inverse discrete sine transform (IDST) of Y.X and Y can be N-dimensional.D =...


Platforms: Matlab

This function generates a Walsh-Matrix which can be used to perform the 1D-Walsh transform on a vector:Example:>> walsh(4)*[1 2 3 4]'The returned matrix is internally cached within the function (persistent) which implies that it is efficient to call the function in a loop as long as the arguments...


Platforms: Matlab

It first transforms to patient coordinates and then to the second coordinates. Both dicom image sets should have the same localizer while scanning.It takes two inputs: dicominfo structures (taken by dicominfo mmand) of two image sets. The outputs are 4x4 transform matrix and 3x3 rotation...


Platforms: Matlab

Copy&Paste from the file:%WAT3D 3D Walsh or Hadamard Transform% WAT3D(X, order) will transform the 3D matrix X to the Walsh or Hadmard% domain depending on the parameter 'order'.% If order == 'sequency' or 'walsh'% The function will transform the matrix using the sequency ordered% walsh...


Platforms: Matlab

HOUGHCIRCLES detects multiple disks (coins) in an image using Hough Transform. The image contains separating, touching, or overlapping disks whose centers may be in or out of the image.Syntax houghcircles(im, minR, maxR); houghcircles(im, minR, maxR, thresh); houghcircles(im, minR, maxR, thresh,...


Platforms: Matlab

% IRAU rationalized arcsine transform% IRAU(RAU,N) transforms the RAU values to the number of correct responses% using the rationalized arcsine transform. N gives the number of repetitions.%% IRAU(RAU,N,opt) defines one of the following options:% 'Pc' ... IRAU returns the percent correct scores...


Platforms: Matlab

The Alpert transform is a multiwavelets transform based on orthogonal polynomials. It was originally designed for the resolution of partial differential and integral equations, since it avoids boundary artifact and can be used with an arbitrary sampling.The reference for the numerical...


Platforms: Matlab

DFT transforms one function into another, which is called the frequency domain representation, or simply the DFT, of the original function (which is often a function in the time domain). But the DFT requires an input function that is discrete and whose non-zero values have a limited (finite)...


Platforms: Matlab

Implementation of Fast Fourier Transform based Homogenization for heterogeneous materials dealing with electric or heat conductiviy. It takes the values of conductivity at regular grid of periodic unit cell that represents the material and produces the distribution of local fields such as...


Platforms: Matlab