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updated 22 days ago

fourierShapeDescriptor.zip by Weicheng Kuo

Fourier shape descriptors for simple binary region (tutorial, image processing, geometry)

B=fourierShapeDescriptor(A,r)

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updated 1 year ago

Bregman Cookbook by Jerome Gilles

This toolbox provides signal/image/3D processing based on Bregman Iterations (bregman, l1, sparse)

R=AddCurveletArray(A,B)

R=AddFrameletArray(A,B)

R=ShrinkComplexCurvelet(A,tau)

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updated 1 year ago

Calculation of CT MTF and NPS using the ACR accreditation phantom by Saul

This code enables measurements of CT MTF and NPS from images of an ACR accreditation phantom. (computed tomography, ct, modulation transfer f...)

SliceBrowser(varargin)

mtfcalc.m

npscalc.m

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updated 1 year ago

Filter Bank Design by Iman

This function can be used to design uniform and non-uniform filter banks. (filter bank, perfect reconstructio..., uniform filter bank)

A=A_gerenator(x,Beta,Sigma_dictionary,M)

Beta=Beta_dictionary(M,nk)

M=Find_LCM(x)

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updated almost 2 years ago

Dig_Filter by Iman

This toolbox can be used to design a filter which satisfies prescribed specifications. (signal processing, optimization, digital filter)

Dig_Filter.m

N=N_Dig_Filter(wa,wp,eps_p,eps_a)

[a1 a2 b1 b2]=random_stable_initial_points

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updated almost 2 years ago

Uniform Filter Bank by Iman

This function can be used to design a uniform filter bank with M subbands. (optimization, signal processing, uniform filter bank)

P=P_NPR(M,m,m1)

PR_Nguyen.m

[c,ceq]=confun(h)

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updated almost 2 years ago

2-dimensional Filter Design using McClellan transformation by Iman

This function can be used to design 2D lowpass, highpass, bandpass, bandstop filters. (signal processing, image processing, filter design)

ChebyshevPoly(n)

Dig_Filter.m

Filter_Design_2D_McClellan.m

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updated almost 2 years ago

Animation *.wav to *.avi spectrum animation generator. by H├ęctor Corte

This script takes an audio file in *.wav and converts it into an *.avi animation using its spectrum. (signal processing, data exploration, image processing)

wav2mov.m

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updated almost 2 years ago

Can you hear the Image? Tool that allows you to transform image into audible sounds by Uri Dubin

This demo transforms image spatial information to sounds. It helps blind to "see" the image. (image processing, signal processing)

SOI_SoundsOfImages(varargin)

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updated 2 years ago

Envelope Detction for Signal Analysis by Santhana Raj

Computes the envelope of the signal by two methods: 1.LPF method 2.Hilbert Transform (image processing, signal processing, envelope detection)

y=envelope(signal,Fs)

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updated 2 years ago

Harmonic Wavelet For Wavelet transform by Santhana Raj

Computes the Harmonic wavelet and outputs in the form similar to other wavelets (signal processing, image processing, wavelet transform)

[out1,out3]=harmonic(LB,UB,N,option)

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updated 2 years ago

Morphological Analysis for Bearing Fault detection by Santhana Raj

Applies the selected morphological operators on the signal. (signal processing, image processing, morphological operato...)

morph_analysis(sig,fault_fr,rpm)

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updated 2 years ago

Spectrogram, STFT, with varied kinds of Plots by Shreyes

Plots STFT using line, Stem, Surface, Image. STFT calculation done using in built function (mathematics, statistics, signal processing)

spectrogram_multiplot(plot_type, data, varargin)

spectrogram_multiplot_demo.m

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updated 2 years ago

Instantaneous FFT by Shreyes

Click on any point in the signal to find the FFT of the surrounding portion of given length. (communications, gui, mathematics)

Inst_FFT(varargin)

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updated almost 3 years ago

2-D FIR filter Design by YUBIN MA

Chebycheve Polynomial, McClellan Transformation & 2-D FIR filter Design (image processing, simulation, signal processing)

df6.m

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updated 3 years ago

Motion Detection by Harsha Vardhan

Motion Detection using videos recorded still camera (signal processing, image processing, video processing)

motion(A,B)

motio.m

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updated 4 years ago

fourier descriptor by michael scheinfeild

describe shape using fourier coefficients (fourier descriptor, shape, shape classification)

[new_indeces]=find_close_indeces(im_in)

make_fft_sec(image_edged,ncoef)

test_fourier.m

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updated 4 years ago

Binary Step Size Based LMS Algorithms(BS-LMS) by Samir Mishra

Modification of LMS algorithm for better convergence and lesser MSE using two step sizes (signal processing, communications, optimization)

bs_lms_equalizer.m

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updated almost 5 years ago

Effect of Range Reduction in Video/Image Compression by Fitzgerald Archibald

Range reduction demonstration using JPEG codecs. (image processing, signal processing)

ssim_index(img1, img2, K, window, L)

rangeReductionDemo.m

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updated 5 years ago

spiht algoritm based image compression by kranthi kumar

matlab program for developing spiht algorithm must be much better than jpeg version in all cases. (signal processing, image processing, demo)

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updated 9 years ago

Calculation of fractal dimension of fractal surfaces using fft by Jianbo Zhang

This function calculate fractal dimension of a fractal surface by fourier transform. (fractals, fractal surfaces, fractal dimension)

fdsurfft(im)

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