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updated 18 days 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. (feature detection, image processing, computer vision)

COSFIRE_Application(example)

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

Parameters(type)

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updated 25 days ago

"Thermal Analysis with MATLAB and FLIR Cameras" demo files by Andy Thé

Andy Thé (view profile)

Demo files from the "Thermal Analysis with MATLAB and FLIR Cameras" webinar (analysis, image processing, computer vision)

multiObjectTracking(VideoFile)

Sensor_Fusion.m

EmissivityMapping.m

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updated 25 days ago

Medical Image Processing Toolbox by Alberto Gomez

Classes and functions for N-dimensional medical image processing, inspired by ITK (image processing, data export, data import)

PointInFrustum(p, frustum,varargin)

PointInTriangle(p, a,b,c,varargin)

PointInTriangle3D(p, a,b,c)

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updated 1 month ago

Filter Bank Design by Iman

Iman (view profile)

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

A_gerenator(x,Beta,Sigma_dictionary,M)

Beta_dictionary(M,nk)

Filter_Bank_Design(nk,ratio,transition_factor,N,ro,iterat...

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updated 1 month ago

SaivDr Package by Shogo Muramatsu

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

fcn_ksvdsdiclrn(params)

mytest(testCaseStr)

saivdr.dictionary.nsolt.mexsrcs.fcn_AtomConcatenationHori...

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updated 1 month ago

Gabor Wavelets by Mohammad Haghighat

This program generates a custom Gabor filter bank; and extracts the image features using them. (image processing, computer vision, pattern recognition)

gaborFeatures(img,gaborArray,d1,d2)

gaborFilterBank(u,v,m,n)

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updated 1 month ago

Gabor Feature Extraction by Mohammad Haghighat

This program generates a custom Gabor filter bank; and extracts the image features using them. (gabor, image processing, computer vision)

gaborFeatures(img,gaborArray,d1,d2)

gaborFilterBank(u,v,m,n)

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updated 2 months ago

Trainable COSFIRE filters for vessel delineation with application to retinal images by Nicola Strisciuglio

B-COSFIRE filters detect line at different orientations by combining the responses of DoG filters. (vessel segmentation, image segmentation, line detector)

fakepad.m

rocarea.m

createretinamaskcolored.m

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updated 2 months ago

Regularized Multiframe Super-resolution Model by Baraka Maiseli

The function implements the regularized multiframe super-resolution model (image processing, image registration, superresolution)

ANDIFFSR(s, delta_est, phi_est, factor)

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updated 3 months ago

Local binary patterns by Nikolay S.

Nikolay S. (view profile)

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

roundnS.m

assignUserInputs(funcParamsNames, varargin)

efficientLBP(inImg, varargin)

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updated 4 months ago

Weighted Iterative Truncated Mean Filter by Miao Zhenwei

WITM filters (image processing, signal processing, filter)

GWITM.m

LCWITM_filter.m

LCWITM.m

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updated 4 months ago

Pseudo B-Mode Ultrasound Image Simulator by Debdoot Sheet

Debdoot Sheet (view profile)

Simulate pseudo B-mode ultrasonic images with customized tissue echogenicity maps (image processing, signal processing, medical)

fcnPseudoBmodeUltrasoundSimulator.m

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updated 5 months ago

JPEG-based computing by Boris

Boris (view profile)

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

entropy_cod( input_matrix, n)

get_quantization( q )

huffman_cod( input_matrix)

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updated 5 months ago

geom2d by David Legland

David Legland (view profile)

Geometry library for matlab. Performs geometric computations on points, lines, circles, polygons... (color, mathematics, computational geometr...)

InterX(L1,varargin)

angle2Points(varargin)

angle3Points(varargin)

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updated 7 months ago

Interframe Correlation between images by Santhana Raj

Santhana Raj (view profile)

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 7 months 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 9 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 10 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

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 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 almost 2 years ago

Bregman Cookbook by Jerome Gilles

Jerome Gilles (view profile)

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 almost 2 years ago

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

Saul (view profile)

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

Dig_Filter by Iman

Iman (view profile)

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 2 years ago

Uniform Filter Bank by Iman

Iman (view profile)

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

2-dimensional Filter Design using McClellan transformation by Iman

Iman (view profile)

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 2 years ago

Gabor Filetr GUI by Nikolay S.

Nikolay S. (view profile)

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

GaborFilterDesighnNik(varargin)

Gabor Filter GUI

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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 2 years ago

Envelope Detction for Signal Analysis by Santhana Raj

Santhana Raj (view profile)

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 almost 3 years ago

Harmonic Wavelet For Wavelet transform by Santhana Raj

Santhana Raj (view profile)

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 almost 3 years ago

Morphological Analysis for Bearing Fault detection by Santhana Raj

Santhana Raj (view profile)

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 almost 3 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 3 years ago

Spectrogram, STFT, with varied kinds of Plots by Shreyes

Shreyes (view profile)

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

Instantaneous FFT by Shreyes

Shreyes (view profile)

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 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 almost 4 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

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

Akemi (view profile)

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

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 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

Speckle Size via Autocorrelation by Joel

Joel (view profile)

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

SpeckleSize.m

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updated 10 years ago

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

Jianbo Zhang (view profile)

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

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updated 12 years ago

Simple DIP demos by Tan Chin Luh

Tan Chin Luh (view profile)

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 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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