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updated 2 months ago

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)

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updated 6 months ago

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

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updated 1 year ago

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)

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updated 1 year ago

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

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updated 1 year ago

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)

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updated 1 year ago

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

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updated 2 years ago

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, ...

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updated 2 years ago

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)

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updated 2 years ago

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

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updated 2 years ago

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

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updated 3 years ago

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

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

imagescnan(varargin)

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updated 4 years ago

ROI Draw by Christopher Changchien

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

ROIDraw(varargin)

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updated almost 5 years ago

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

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updated 8 years ago

polyfic by Vassili Pastushenko

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

polyfic(x,y,ORD)

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updated 10 years ago

ShiftImage by Edward Brian Welch

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

RotateImage(Image, deltax, deltay)

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