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updated 18 hours ago

Face Recognition using Aggregated Features by Brett Shoelson

Recognize faces with remarkable accuracy by aggregating features across training images! (face recognition, computer vision, featurebased recognit...)

expandAxes(hndls,rotEnable)

FeatureBasedFaceRecognitionUsingAggregatedFeatures

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updated 18 hours ago

Optimal Blockwise Shrinkage for Image Denoising by Yue Wu

Improving initially denoised using its corresponding noisy observation (image processing, image analysis, statistics)

optBlkShrink( fun, input, nsample, sigma, varagin );

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updated 1 day ago

FRAP.zip by Jesse

Matlab GUI for analysis of FRAP data (frapimage analysisflu...)

FRAP(varargin)

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updated 4 days ago

MONTAGE with image value cross probing by Uri Dubin

Combines original Matlab MONTAGE file and IMPIXELINFO tool for multiple images (image processing)

DFS_MontageProbe(varargin)

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updated 4 days ago

Mosaic generator by Nikolay S.

Photo mosaic generator. Choose a tile image, and a directory with images, and see the magic. (mosaic, photomosaic, application)

NS_mosaic_main.m

[mosaic_width, mosaic_heigth, main_img]=get_mosaic_size(m...

fileNamesList=filesListFromInput(inputsList, flagGUI, fil...

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updated 7 days ago

Guided Upsampling and Residual Interpolation by Masayuki Tanaka

This tool upsamples the data with the high-resolution guidance image. (upsampling, image processing, filter)

guidedfilter11(src, gid, eps, ker1, ker2)

guidedfilter1n(src, gid, eps, ker1, ker2)

guidedfiltern1(src, gid, eps, ker1, ker2)

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updated 7 days ago

Anisotropic diffusion (stable scheme) by Jérôme FEHRENBACH

Stable and positive scheme for anisotropic diffusion (image processing, filtering, diffusion)

[t,C]=infoA0(C11,C22,C12)

diagK( t, C )

diffusion2D( u0, T, varargin )

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updated 8 days ago

VMAT QA by James Kerns

Analyzes VMAT quality assurance EPID images for routine Varian linac QA. (image processing, medical physics, vmat)

LoadOrSetPref(preferencegroup,preference,default,isGUIobj...

VMAT(varargin)

VMAT_settings(varargin)

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updated 10 days ago

impolar.m by Jérémie Guignard

Resampling of an image with a polar sampling pattern using the built-in 'improfile' function (image processing, polar coordinates, resampling)

impolar(inputim, varargin)

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updated 14 days ago

RViewer by Tony Davis

Image Viewer with Interpolation on Zoom, Multiple Sync (image, display, interpolation)

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updated 15 days ago

imshow4 by Jiri Chmelik

Function for 2D/3D/4D image view. (image, image analysis, visualization)

imshow4(varargin)

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updated 15 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 17 days ago

Salt and pepper noise reduction by Hemant Kumar Aggarwal

This submission have two algorithms for removing random impulse noise (denoising, salt and pepper noise)

cpsnr=myPSNR(org,recon,skip)

denoised=FunSynthesisPrior(noisy,p,q,maxiter,lambda,mu1,m...

x=FunDenoiseTV(noisy,p,q,maxiter,lambda,mu1,mu2)

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updated 18 days ago

PIVlab - time-resolved particle image velocimetry (PIV) tool by William Thielicke

A GUI based tool to preprocess, analyze, validate, postprocess, visualize and simulate PIV data. (gui, image processing, particle image veloci...)

(nn(:,1)<1)|(nn(:,1)>n)|(nn(:,2)<1)|(nn(:,2)>m); nn(L,...

PIVlab_GUI.m

PIVlab_citing(varargin)

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updated 23 days ago

Mouse pointer controlling using Laser by Chethan

project enables the users to control presentation using laser as pointing device (laser, color tracking, mouse control)

laser(varargin)

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updated 25 days ago

RGBtoLab.zip by Hamid Mahmoudabadi

Convert images in RGB format to CIELab format with different reference illuminant tristimulus values (rgb, xyz, cielab)

RGBtoXYZ.m

XYZtoLab.m

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updated 25 days ago

SAXS Channel Width and Volume Measurement by Matthew Sochor

Measure the width and volume of a channel in from SAXS MRC files (saxs, channel widthchannel ...)

measureMRCdistances(varargin)

measureMRCvolume(varargin)

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updated 28 days ago

Beltrami Filter by Shadi Albarqouni

It is a kind of Nonlinear Filters following the Beltrami flow. (filtering)

beltrami2D(im, num_iter, delta_t)

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updated 29 days ago

Multilevel Thresholding Segmentation Based on Harmony Search Optimization by Diego Oliva

An implementation of harmony search algorithm for multilevel thresholding image segmentation (image segmentation, optimization, histogram)

Kapur.m

PSNR.m

PSNR.m

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updated 29 days ago

A multilevel thresholding algorithm using Electromagnetism Optimization by Diego Oliva

An implementation of Electromagnetism Optimization for multilevel image thresholding (image segmentation, evolutionary algorith..., electromagnetism opti...)

Kapur.m

MTHEMO.m

PSNR.m

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updated 1 month ago

Fast Bilateral Filter by Kunal Chaudhury

Fast O(1) implementation of the bilateral and the joint (or cross) bilateral filter. (bilateral filter, nonlinear diffusion, edgepreserving diffus...)

maxFilter(inImg , w)

shiftableBF(inImg, sigmaS, sigmaR, w, tol)

shiftable_jointBF(inImg, rangeImg, sigmaS, sigmaR, w, tol)

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updated 1 month ago

HyperSpectralDenoising.zip by Hemant Kumar Aggarwal

Impulse Noise Reduction from Hyperspectral Images (image processing, sparse recovery)

cpsnr=myPSNR(org,recon,skip)

denoised=FunAP(noisy)

denoised=FunGAP(noisy)

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updated 1 month ago

POCShift.m by Jérémie Guignard

Estimates the translation between two noisy images with phase-only correlation. (image processing, image registration, noise)

POCShift.m

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updated 1 month ago

Dynamical Systems with Applications using MATLAB 2e by Stephen Lynch

MATLAB, Simulink and MuPad files to accompany the second edition of the book. (binary oscillator com..., fractals, differential equation...)

Program_6c(~)

Programs_18a

Programs_18b

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updated 1 month 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 month ago

SpriteKit Framework by Steve McClure

Framework for designing animated and interactive Sprites and gameplay (sprite, game, graphics)

SpriteKit.Physics.hasCollision(sprite1,sprite2)

demo1

demo2

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updated 1 month ago

ImageAnalyzer by Jukka

MATLAB texture analysis GUI for medical images (texture analysis, magnetic resonance im...)

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updated 1 month ago

PDE based image processing by Jarno

PDE based image processing methods including optical flow, segmentation and disparity calculation. (machine vision, stereo disparity, optical flow)

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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 2 months 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)

assignUserInputs(funcParamsNames, varargin)

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updated 2 months ago

Real time face recognition and detection system by GK BHAT

a real time face recognition and detection system with pca and viola jones algorithm (pcabased face recogni...)

CreateDatabase(TrainDatabasePath)

EigenfaceCore(T)

Eigenfacetest(T)

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updated 2 months ago

Histogram of Oriented Gradients (HOG) code using Matlab by Sanyam Garg

Matlab code computes the HOG feature vector for any given image. (object detection, histogram of oriented..., hog)

hog_feature_vector(im)

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updated 2 months ago

Image denoising using Evolutionary Algorithm by Anupriya Gogna

This code performs Image denoising using Self Organizing Migration Algorithm (SOMA) (image processing, metaheuristicsdenoisi...)

PSNR(A,B)

Run_SOMA(imn,img)

objective(imn,img,th1,th2,th3,th4,wv,lv)

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updated 2 months ago

Bedmap2 Toolbox for Matlab by Chad Greene

Transforms Bedmap2 data to lat/lon coordinates. Offers simple commands to extract and/or plot data. (antarctica, mapping, polar)

C2xyz(C)

antmapinit(varargin)

asaid(mapvar,varargin)

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updated 2 months 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 2 months ago

ROI of Palmprint Images.zip by Sudaraka Mallawaarachchi

Matlab function to detect the Region of Interest (ROI) of Palm-print images in the CASIA Database (palmprint, image segmentation)

findROI(path, imname)

lineScore(p)

Run_Me.m

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updated 3 months ago

customGray by Brett Shoelson

Create a custom grayscale image of an RGB--specify weightings or select from predefined versions. (rgb2gray, grayscale, colorspace)

customGray(imgin)

expandAxes(hndls,rotEnable)

getNewRGBImage(convertToDouble)

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updated 3 months ago

Noise Level Estimation from a Single Image by Masayuki Tanaka

It can precisely estimate noise level from a single image. (image processing)

NoiseLevel(img,patchsize,decim,conf,itr)

demo.m

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updated 3 months ago

interpmask - interpolate (tween) logical masks by Sven

interpmask interpolates (or tweens) masks to transition smoothly between shapes in masks (mask, interp1, interpolation)

interpmask( varargin )

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updated 3 months ago

Rotate an image around a point by Jan Motl

Performs rotation of an image around any point inside of the image. (image processing, rotation, image)

output=rotateAround(image, pointY, pointX, angle, varargin)

rotateAround_test.m

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updated 3 months ago

mpoly2mask - converts multiple polygons to a mask by Sven

Converts an object with multiple boundary contours to a logical mask (poly2mask, bwboundaries, polygon)

mpoly2mask(XY, varargin)

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updated 3 months ago

MRiLab v1.2 by Fang Liu

A Numerical Simulation Platform for Magnetic Resonance Imaging (MRI) (medical imaging, medical, mri)

ADCRadial.m

AboutMRiLab(varargin)

About_MU(varargin)

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updated 3 months ago

Retouching Depth of Field using Depth based Selective Gaussian Blurring by S Mukherjee and R Guddeti by Subhayan Mukherjee

Altering the depth of field of an image based on a supplied depth map and user's depths of interest. (blur, gaussian, depth of field)

depth_blur(im_src, depth_map, depth_focus, blur_rate)

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updated 3 months ago

Image2Data by yang

Matlab GUI subrotine to help you get curve data from figure( R2008a and above versions is supported) (curve picking, gui subroutine)

image2data(varargin)

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updated 3 months ago

Feature-Based Image Registration by Brett Shoelson

An interactive app for registering images using a feature-based (computer-vision) workflow (computer vision, image processing, image registration)

expandAxes(hndls,rotEnable)

featureBasedImageRegistration.m

getNewImage(convertToDouble)

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updated 3 months ago

Image Morphology Tutorial by Brett Shoelson

An interactive, animated tutorial that explains image morphology (image processing, image morphology, tutorial)

InitializeImage(rule,shape)

animatedMorphologyTutorial(im,imhandle,morphimhandle,morp...

togglefig(name, clearfig)

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updated 3 months ago

3D differential Canny Edge Detector by Wolf

Differential Canny Edge Detector for volumetric three-dimensional data (canny edge detection)

edgedetect(f,filter,thresholds,min_edge_functional)

plotsurface(surf,coloring,alpha)

segment(edge,sz,edgesize)

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updated 3 months ago

MatrixUser v2.1.1 by Fang Liu

A Multi-functional, GUI-based Program for Image (Matrix) Processing and Analysis (image processing, image analysis, medical)

About_MU(varargin)

Flag=MU_load_matrix(matrixName, matrix, newWindowOpenFlag)

MU_3D_Render(varargin)

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updated 3 months ago

Read TIF image bigger than 4GB by Kannan U V

Some TIF writers write image files >4GB (bigtiff)

readBigTiffStack(imStackFileName);

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updated 3 months ago

Fast Stereo Matching and Disparity Estimation by S Mukherjee and Prof. G.R.M Reddy by Subhayan Mukherjee

Based on a rectified stereo image pair and few parameters, outputs disparity map of the left image. (stereo vision, depth extraction, stereo disparity)

L=LUT2label(im,LUT)

PixelDisp(Int_r, i, win_lim, j, Int_l, max_disp, win_size)

StereoDisp(im_left, im_right, K, max_disp, win_size, disp...

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