image thumbnail

updated 1 year ago

Filter noise and interpolate microscopy images in frequency domain by Shalin Mehta

Remove spatial frequencies beyond the optical cutoff and perform physically accurate interpolation. (microscopy, filtering, interpolation)

[out,outscale]=opticalLowpassInterpolation(in,inscale,fcu...

y=jinc(r)

TestBench_opticalLowpassInterpolation_Airy.m

image thumbnail

updated 1 year ago

Display multiple images on individual axes and optionally link them by Shalin Mehta

imagecat generates a 'catalog' of images useful for visualizing steps in image processing. (image display, multiple images, montage)

TestBench_imagecat

h=imagecat(varargin)

image thumbnail

updated 2 years ago

pairwise/joint/bivariate histograms for many variables by Shalin Mehta

Explore correlations between variables with pairwise histograms plotted over grid. (statistics, joint histogram, bivariate histogram)

varargout=hist3matrix(observations,binedges)

image thumbnail

updated 2 years ago

Shift matrix by Shalin Mehta

Fast and convenient function for shifting a matrix in 2D. (shift, matrix manipulation, interp2)

Example usage of function shiftmatrix.

out=shiftmatrix(in,xystep,shiftvec,padval)

image thumbnail

updated almost 3 years ago

pseudo symbolic computation with anonymous functions by Shalin Mehta

Using anonymous functions to compute instantaneous correlation with symbolic-looking code. (anonymous function, symbolic computation, wigner distribution)

instcorrMATLAB.m

image thumbnail

updated almost 3 years ago

Interplay of fft, ifft, fftshift, and ifftshift in MATLAB by Shalin Mehta

This file clarifies assumptions about the position of origin in computation of DFT (fft, ifftshift, fftshift)

HowSwappingWorksInFFTandIFFT.m

Contact us