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updated 16 days ago

Local binary patterns by Nikolay S.

Calculates image LBP (Local binary patterns). (lbp, image processing, pattern)

[outImg, varargout]=tightHistImg(inImg, varargin)

[radInterpFilt]=generateRadialFilterLBP(p, r)

[radInterpFilt]=generateRadialFilterLBP(p, r)

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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 4 months ago

ECC image alignment algorithm (image registration) by Georgios Evangelidis

This is a Matlab implementation of the ECC image alignment (image registration) algorithm. (image alignment, image registration, gradientbased registr...)

ecc(image, template, levels, noi, transform, delta_p_init)

image_jacobian(gx, gy, jac, nop)

spatial_interp(in, warp, str, transform, nx, ny)

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updated 1 year ago

Gabor filtering on an image by Deepak Kumar Rout

Application of gabor filter on image (gabor filter, image processing, image)

gb=gabor_fn(sigma,theta,lambda,psi,gamma)

gabor_program.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 1 month ago

De-Speckling SAR (Synthetic Aperture RADAR) Image by Ashish Meshram (Meet)

De-Speckling SAR (Synthetic Aperture RADAR) Image (image processing, nondecimated wavelet ..., savitzkygolay filter)

AddSpecNoise(OI,v)

MetricsMeasurement(Orig_Image,Esti_Image)

bft(OI,A,B,C,level,n,type,thresh)

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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 3 years ago

face recognition by Arjun j s

face recogntion technology. (image processing)

Face_Recognition(varargin)

HGPP_image(a)

LGPP_block(Probe_Re,Probe_Im,p,q);

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updated 2 years ago

Gabor Filetr GUI by Nikolay S.

Design apply and learn the Gabor Filter via GUI. (gabor, gabor filters, filter bank)

Gabor Filter GUI

GaborFilterDesighnNik(varargin)

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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 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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updated 9 months ago

Trainable COSFIRE filters for keypoint detection and pattern recognition by George Azzopardi

A COSFIRE filter detects features or patterns of interest, e.g. traffic signs in complex scenes. (cosfire, keypoint, feature)

COSFIRE_Application(example)

Gabor(img, lambda, aspectratio, bandwidth, orientation, s...

Parameters(type)

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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 2 years ago

Vessel branch segmentation by Hiroshi Kawaguchi

Segment the vessel branches from dynamic image of fluorescent microscopy (image processing, gui, microscopy)

VesselBranchSegmentation

[appTime, mask]=VBSvesselMask(vimg)

[map sepTime]=VBSregionMerge(appTimeImg)

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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 10 months ago

Two-dimensional trilateral filter by Pekka Astola

Filters a grayscale image with the trilateral filter by P. Choudhury and J. Tumblin (trilateral filter, bilateral filter, filtering)

BilateralGradientFilter(...

DetailBilateralFilter(inputImage,adaptiveRegion,...

buildMinMaxImageStack(gradientMagnitude,maxLevel)

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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 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 3 years ago

Demos from "Computer Vision with MATLAB" webinar by Bruce Tannenbaum

Demo files for the "Computer Vision with MATLAB" webinar held on April 19, 2011. (image processing, statistics, computer vision)

FeatureBasedRegistration.m

StereoDisparityMap.m

TextureClassification.m

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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 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 9 months ago

beam pattern by Partha Pratim Basumallick

analyses the pattern of a beam (image processing)

beampattern.m

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updated almost 5 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 2 months 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 12 days ago

Interframe Correlation between images by Santhana Raj

This program is to calculate interframe correlation between 2 greyscale images of same size (interframe, correlation, autocorrelation)

[output,IFC]=interframe_corr(im_1,im_2)

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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 4 months ago

SaivDr Package by Shogo Muramatsu

System object definitions for sparsity-aware image (and volume data) restoration (image processing, nsolt, ista)

Quickstart of SaivDr Package

fcn_ksvdsdiclrn(params)

mytest(testCaseStr)

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updated 4 years ago

Compare with hand coding and auto code generation of HDL by Akemi

You can confirm difference betwwen hand writing code and auto generation code. (aerospace, automotive, communications)

CommSys_DS_MS_cntl

CommSys_DS_cntl

FRAME_SYNC_cntl

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updated 5 years ago

Speckle Size via Autocorrelation by Joel

Outputs the size of speckles in an image that has a **uniform background**. (autocorrelation, autocovariance, speckle)

SpeckleSize.m

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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

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 1 year ago

JPEG-based computing by Boris

This is a function to test a JPEG-based encoding/decoding algorithm (demo, image processing, compression)

entropy_cod( input_matrix, n)

get_quantization( q )

huffman_cod( input_matrix)

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updated 5 years ago

Histogram Overlay Block by Alan Hwang

The Histogram Overlay Block plots a histogram onto your video in Simulink® (video, histogram overlay, image)

HistogramOverlay_r2008a

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updated 12 years ago

IMUI by Kotaimen Cao

Image Processing Toolbox Utilities (gui, display, annotation)

buildmenu(hfig)

filter_addnoise(varargin)

filter_bottomhat(varargin)

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updated almost 12 years ago

Simple DIP demos by Tan Chin Luh

Simple DIP demo using MATLAB 6.1, Image Processing Toolbox and NN Toolbox. (tutorial, example, template matching)

[complete_rivets,incomplete_rivets]=project(x)

[pic_NNinput]=crop5box(x,thresh)

about(varargin)

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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 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 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 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 5 years ago

Munkres for Simulink by Tom Pinkiewicz

This file provides Munkres algorithm written for Simulink. (optimization, munkres, assignment problem)

testmunkres

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