Block Division using cell by Suraj Kamya

Using cell data type one can effectively breaks the 2D/3D data in to required no. of blocks. (blocks, image, cell)

I=recom_blocks(B)

[B]=blocks(image)

3D histogram of RGB image by Pavel Rajmic

Creates 3D-histogram from an RGB image in the form of balls within the RGB cube (rgb, image, histogram)

image_hist_RGB_3d(imname,n,gamma)

rgb_noise_image(rows,cols,filename)

demo_image_hist_RGB_3d.m

Hertz's contact ellipse between rail and wheel by Jong Kim

This GUI provides contact shape and normal pressure within contact ellipse between rail and wheel. (hertz, normal pressure, wheel)

contact_ellipse_calculator(varargin)

Spectrogram, STFT, with varied kinds of Plots by Shreyes

Plots STFT using line, Stem, Surface, Image. STFT calculation done using in built function (plotting stft, plotting spectrogram, signal processing)

spectrogram_multiplot(plot_type, data, varargin)

spectrogram_multiplot_demo.m

Matrix Convolution with Sub-Pixel Resolution by Tristan Ursell

Convolve two matrices at sub-pixel resolution, using bilinear interpolation. (matrix, convolve, convolution)

matout=matoverlay(mat1,mat2,x,y)

Fast mutual information of two images or signals by Jose Delpiano

Optimized function for mutual information of two images or signals (image processing, mutual information, image)

I=mi(A,B,varargin)

n=hist2(A,B,L)

mi_test.m

Hiding image in sound (im2sound) by Stephen

Converts an image into a sound file. Played through a spectrum analyser, the image is revealed. (hiding, communications, sound)

im2sound(filename, ext, f_sample, f_low, ...

HistConnect by Dirk-Jan Kroon

Smooth histograms for sparse sampled signals and images, using low-frequency assumption. (histogram, hist, linear interpolation)

H=HistConnect(X,B,R)

Speech Spectrogram by Kamil Wojcicki

High quality speech spectrogram plot generation routine (spectrogram, image, power spectrum)

myspectrogram(s, fs, T, w, nfft, Slim, alpha, cmap, cbar, t...

test_myspectrogram.m

Track, Collect And Tar Inputs And Outputs by Michael Chan

Illustrates status tracking and collation of inputs and results. The package is tar'red for sending. (track, time, tar)

savefigs(imageResultRepository, imageFileType)

timeStampedFile( file, numberOfFileExtensions, secondsMode ...

usageTar_unTarFiles.m

imagescnan.m v2.1 (Aug 2009) by Carlos Adrian Vargas Aguilera

Same as IMAGESC but ignores NaNs. (color freeze, surf, imagesc)

imagescnan(varargin)

ROI Draw by Christopher Changchien

ROI Draw allows you to draw rectangular ROI's at any angle. (signal processing, statistics, probability)

ROIDraw(varargin)

Image Compression using Wavelet by Jebakumari Beulah

This code compress the image using wavelets. Both gray scale and RGB images can be applied and some (code, compress, compression)

wavecompression.m

polyfic by Vassili Pastushenko

Vectorized fit of vectors to columns of a matrix. (approximation, interpolation, polynomial)

polyfic(x,y,ORD)

ShiftImage by Edward Brian Welch

Shifts an image using the Fourier shift theorem. (shift, approximation, image)

RotateImage(Image, deltax, deltay)