3,211 results

k-means, mean-shift and normalized-cut segmentation

This code implemented a comparison between “k-means” “mean-shift” and “normalized-cut” segmentationTeste methods are:Kmeans segmentation using (color) onlyKmeans segmentation using (color +

A complete video feature tracking method based on the Mean-Shift Theory, with GUI.

Helps in segmenting or clustering the given RGB image

Matlab implementation of several methods for cell detection and cell segmentation

Cluster data by using the Mean Shift Algorithm

Clusters data using the Mean Shift Algorithm. testMeanShift shows an example in 2-D. Set plotFlag to true to visualize iterations.

The submission finds modes in data. Data is generated from a mixture of gaussian with added outliers

Collection and a development kit of Matlab mex functions for OpenCV library

this is a code developed for object recognition using modified mean shift tracking algorithm.

This code is designed for efficient object tracking using modified mean shift tracking to solve scale and orientation changes problem. the file contains complete code and results on my own palm and

Free pattern recognition toolbox for MATLAB

Piotr's Image & Video Matlab Toolbox

This toy code implements the classic and basic pixel clustering using mean shifts

This is a good demo of showing how the mean shift idea works for image pixel clustering.

A univariate scatter plot for matlab

Calculates Impulsive noise metrics for hazardous acoustic noise assessment.

Features Nth octave band, Hand Arm, and A and C weighting filters

JAABA: The Janelia Automatic Animal Behavior Annotator

SDD, Otsu and Adaptive thresholding methods are compared with 275 synthetic nucleus images.

MATLAB Wrapper for scikit-learn

This program analyzes sound and vibrations data using metrics for continuous noise and vibrations.

Instantaneous frequency routine which is robust in case of non-zero mean and linearly shifted data.

InstantaneousFrequencies which usually occurs if the Gabor's method is applied tonon-zero mean or linearly shifted data.The algorithm is based on Osculating circle method described in: Hsu, Ming-Kuang, Jiun-Chyuan

Multiple Global Peaks Big Bang Big Crunch Algorithm (MGP-BBBC) to solve Multimodal Optimization Problems.

Illumination estimation from a single image (ICCV'09 and IJCV'12)

Example of Doppler radar signal processing

Testbed for analysis, evaluation and comparison of stereo matching algorithm.

Simple acoustic horn designs for exponential and catenoidal horns.

Simple Fourier Spectral Analysis of sound pressure time record.

Computes/applies rotation about arbitrary 3D line.

coordinates. SYNTAX 1: M=AxelRot(deg,u,x0) in: u, x0: 3D vectors specifying the line in parametric form x(t)=x0+t*u Default for x0 is [0,0,0] corresponding to pure rotation (no shift

Mean of rectangular submatrices, fast C-Mex (no running mean)

BLOCKMEAN - Fast mean of rectangular submatricesThe mean of V*W elements along the 1st and 2nd dimension is calculated. This is no running mean filter: The sizes of the 1st and 2nd dimension are

SDD, Otsu and Adaptive thresholding methods are compared with 47 U2OS images.

The quantitative results are computed based on the NIH3T3 datasets provided by the Murphy Lab at Carnegie Mellon University

SDD, Otsu and Adaptive thresholding methods are compared with 197 U2OS images.

The quantitative results are computed based on the U2OS nuclei datasets provided by the Murphy Lab at Carnegie Mellon University

The quantitative results are computed based on the synthetic nuclei BBBC005 datasets.

The quantitative results are computed based on the U2OS nuclei BBBC039 datasets.

SHIFT a row or column RELATIVE to the other elements in a MATRIX.

Directory contents:readme.txtshiftl.mshiftr.mshiftu.mshiftd.mThis set of files was developed using MATLAB Version 5.2.0.3084Sometimes it is required to SHIFT a row or column RELATIVE to the other

Calculates cumulative row/column mean of vectors, matrices and N-Dim arrays

non-singleton dimension (DIM).This function is useful to compare performance of an estimator with respect to the sample mean of a set of measurements.

A MATLAB class for the mean square displacement analysis of particle trajectories, with a tutorial.

Mean square displacement (MSD) analysis is a technique commonly used in colloidal studies and biophysics to determine what is the mode of displacement of particles followed over time. In particular

Efficiently performs separable operations (e.g., sum, mean,prod, min, max,...) on array sub-blocks

include sum(), prod(), mean(), max(), min(),... which can be done separably along each dimension of the block, first along columns, then along rows, etc... For example, sum(B)=sum(sum(sum(B,1),2),3

Shift 1D signals using the Fourier shift theorem.

This code uses the Fourier shift theorem to cyclically shift 1D signals by an arbitrary amount. Both integer and non-integer shifts work.It also supports padding the signal with zeros so that the

shift the elements of an array (of any dimension)

SHIFT (A, SHIFTSIZE, PADVAL) is an extension of circshift.m, allowing both integer and fractional shiftsize along all dimensions of A, and a padding different from circular. In the case of integer

BASK simulation

This script simulates the Binary Amplitude Shift keying. Since BASK is a digital modulation scheme, you can modulate as many bits as you want. however, I have only simulated it for 5 bits, so that

Calculates the (nth dim) mean of a matrix of angles

MEANANGLE is like MEAN, but applies to angles where MEAN would not (i.e. MEAN([350 10]) giving 180 instead of 0). Unlike the other MEANANGLE on the FEX, this one does have any limitations on the

Fast and convenient function for shifting a matrix in 2D.

The code uses array indexing to implement shifting of the matrix. It is about 2.5 times faster than using interp2 with 'nearest neighbor' option for shifting of the matrices. Inspiration for

Identifies groups of linearly independent columns in a matrix A

[Abasis, Abasisi, Asub]= getLinearIndependent(A,ignore_constant_shift)Purpose: Takes in a matrix of column vectors and identifiesthe subset of columns that forms a linear independent basis (Abasis

phase shift keying

Cyclically shift a 2D matrix or image using the Fourier shift theorem.

This shifts cyclically shifts an image or other 2D matrix by an arbitrary number of pixels (which can be fractional). I haven't tested it much but the code is very short so it should be easy enough

Binary Phase Shift Keying Simulation.

This script simulates the Binary Phase Shift keying. Since BPSK is a digital modulation scheme, you can modulate as many bits as you want. however, I have only simulated it for few bits, so that the

simple code for cirulart reversal and circular shift

here i have written simple function codes for circular reversal and circular shift.

MATLAB code for Frequency Shift Keying (FSK) Modulation and Demodulation

The Frequency Shift Keying (FSK) modulation and demodulation takes place with the input given by the user and this code doesn't need any additional toolbox.

MATLAB code for Amplitude Shift Keying (ASK) Modulation and Demodulation

The Amplitude Shift Keying (ASK) modulation and demodulation takes place with the input given by the user and this code doesn't need any additional toolbox.

Create, add, multiply spectrum arrays, compute color coordinates, CRI and much more.

fast recersive running mean in 2D or 3D.

[outmat] = fastrunmean(inmat,win,ptype);fastrunmean computes the running mean of 'inmat' over a window of size 'win'. The argument 'ptype' controls the padding type, which decides how the edges are

Three functions allowing to shift set of spectra to the same or different maximum of peaks

Three functions are included:1. shift_spectra_or - shifts set of spectral vectors to a new common maximum at the same accuracy as original data 2. shift_spectra - shifts set of spectral vectors to a

Appends the MATLAB Conditional GAN example with the ability to shift between two generated images

One of the properties of GANs is not only generating new images from latent vectors, but the ability to manipulate the latent vectors. One example of this is to shift between two generated images

Simulation of a RC Phase Shift Oscillator using operational amplifier

Using Operational Amplifier along with other components available in SimElectronics 1.0 RC Phase Shift Oscillator can be assembled. Simulation of the circuit works well and sine wave oscillations can

Calculate pooled N, mean and STD (using, as inputs, subgroups N, mean and STD)

Calculate pooled n, mean and std from n, mean and std of two groups (to calculate it to N groups (N>2), repeat it N-1 times)[npool,meanpool,stdpool] =

Gear shift map for Automatic Transmission in S mode(upshift)

A better, transparent memmapfile, with complex number support.

Superfast MRI field shift calculation based on a known susceptibility distribution.

resolution, without memory problems. Explanation and references:The presented algorithm is an efficient implementation of the Fourier-based procedure to calculate the susceptibility-induced field-shift if an

Coherent Receiver for Binary Frequency Shift Keying Modulation

Coherent Receiver for Binary Frequency Shift Keying Modulation

Linear Feedback Shift Register

Linear Feedback Shift RegisterIt includes 3 different versions, 1st one to check the properties, 2nd one, if you are interested in storing all the states of LSFR and 3rd, fasterYou can check the