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updated 7 days ago

Image enhancement using Hybrid Metaheuistic by Anupriya Gogna

Demo for image enhancement using memetic algorithm (image enhancementhybr...)

MEMETIC(image,global_mean,B,C,im_size)

MEMETIC_DE(image,global_mean,B,C,im_size)

mean_n (image)

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updated 10 days 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 11 days ago

xDSLChannel by Moses Mwakyanjala

This toolbox performs xDSL channel and noise simulatons (dsl vdsl channel next..., vswr polezero utp cop...)

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updated 1 month ago

UVC Suite by James Kerns

The Ultraviolet Catastrophe suite (UVCS) is a package that perform a number of TG-142 related tasks. (medical physics, mlc, quality assurance)

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updated 1 month 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 3 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 3 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 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 5 months ago

Real Time Microphone and Camera data acquisition and audio-video processing by Theodoros Giannakopoulos

This Matlab-code is a demo for real-time audio and image processing. (audio processing, video processing, camera)

realTimeMic(duration, nBlocks, useVideo)

zcr(signal,windowLength, step, fs);

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updated 6 months ago

Infrared Image Software (IRIS) by Kevin Hellemans

FTIR Image Data Processing (ftir, gui, chemistry)

CLUSTERWINDOW (varargin)

CMEANSWINDOW (varargin)

IRIS.m

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updated 7 months ago

Image Denoising based on Non Local-means Filter and its Method Noise Thresholding by Shreyamsha Kumar B. K.

Image details that are removed by NL-means filter is added back after wavelet thresholding (non localmeans filter, bilateral filter, method noise)

[g_all, vv_all]=vifsub_est_M(org,dist, subbands, M);

[ssarr, l_arr, cu_arr]=refparams_vecgsm(org,subands,M)

bayesthf(y,noise_var)

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updated 8 months ago

beam pattern by Partha Pratim Basumallick

analyses the pattern of a beam (image processing)

beampattern.m

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updated 8 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 9 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 11 months ago

Image fusion based on pixel significance using cross bilateral filter by Shreyamsha Kumar B. K.

Fuses multifoucs and multispectral images by weighted average using the weights computed from CBF. (image fusion, pixel significance, multifocus)

[QABF,LABF,NABF,NABF1]=objective_fusion_perform_fn(xrcw,x)

[gv gh]=sobel_fn(x)

[hist_out]=imhist_fn(x)

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updated 12 months 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 1 year ago

Content Based Image Retrieval by Chez

Simple content based image retrieval for demonstration purposes. Either using knn or classification (image retrieval, content based image r..., classification)

L1(numOfReturnedImages, queryImageFeatureVector, dataset)

L2(numOfReturnedImages, queryImageFeatureVector, dataset,...

[obj, overall]=confMatPlot(confMat, opt)

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updated 1 year ago

DWT - SVD robust and secure watermarking scheme by Chez

Watermarking scheme based on DWT and SVD techniques. (watermarking, tamperproofing, steganography)

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updated 1 year ago

Multi-Scale Edge Detection by Shan

Multi-Scale Edge Detection with Gaussian and Laplacian Pyramids (edge detection, gaussian pyramid, laplacian pyramid)

[EdgeDecision, var]=funcVarianceMapMod(inputImage, row, c...

[varianceImg, timeTaken]=funcVarianceMap(inputImage, wind...

convolve(I, F, str)

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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

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 almost 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 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

SCOPE: interactively tabulate SEER excel variables by Rex Cheung

This takes SEER excel column data interactively, tabulate them, write back in table format. (data import, data export, optimization)

output=xls2tabulate2xls(xlsfilename)

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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 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 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 almost 4 years ago

Detect circles with various radii in grayscale image via Hough Transform by Tao Peng

Detect circular shapes in a grayscale image. Resolve their center positions and radii. (image analysis, circular hough transf..., various)

CircularHough_Grd(img, radrange, varargin)

DrawCircle(x, y, r, nseg, S)

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updated 4 years ago

DNA MicroArray Image Processing Case Study by Robert Bemis

Case study used in Biomedical and Image Processing seminars (highlights algorithm development). (biotech, pharmaceutical, crop)

Microarray Spot Finding Example

[x,y]=limits(a)

r=range(x)

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updated 4 years ago

MPEG2 Video Encoder by Ravi Lakkundi

MPEG2 Video Encoder (mpeg2 video encoder, video codec, mpeg2)

Alignbits(BitStream)

Checkruns(block)

PutGOPHeader(BitStream)

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updated 4 years ago

Baseband numeric transmission by Alain Demange

Baseband data transmission via m-ary NRZ raw code (communications, modulations, eyediagram)

BaseBandNumTransmission_en.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

Introduction to MATLAB® Webinar materials by Jiro Doke

Presentation and demo materials from the live Webinar "Introduction to MATLAB®" (March 20, 2007) (whitepaper, article, paper)

Characterization of Device Under Test

Missing Planes

cutoff(F,Txym)

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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

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 5 years ago

Image and Video Processing with Simulink® Webinar Files by Alan Hwang

These are the files from the Image and Video Processing with Simulink webinar. (video, out of focus, outoffocus)

LCT.m

OurModel

out_focus_vid.wmv

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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 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 5 years ago

Chinese Matlab Digest: Matlab Technical Bulletin by Hong Zhang

Chinese Matlab Digest is the first matlab digest published in Chinese by www.iLoveMatlab.cn (digest, matlab digest, chinese digest)

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updated 6 years ago

Video Surveillance System Design with Simulink® and Xilinx® FPGAs by Alan Hwang

Files for the joint MathWorks and Xilinx seminar: Video Surveillance System Design (video, fpga, system)

rgb2bayer(filename, sensoralign)

init.m

init.m

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updated almost 7 years ago

Gantry robot simulation by John Kluza

Supervisory and low level robot tracking control of a 5-bar or articulated gantry using desired posi (simulation, robot kalman video es...)

gantry_gui(varargin)

gantry_msfun_3color(t,x,u,flag, handles)

gantry_5bar_init.m

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updated 9 years ago

Pad array by Sergei Koptenko

Pad array or image. (application, padding array pad bor...)

array_padd(data_in, padsize, paddvalue, direction, paddmo...

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updated 10 years ago

Walsh Transform(2D) by Ahmad Poursaberi

The function implements the 2D Walash Transform. (transforms, walsh transform, 2d)

walsh2d(I)

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updated 10 years ago

Walsh Transform(1D) by Ahmad Poursaberi

The function implements the 1D Walash Transform. (transforms, walsh transform, 1d)

walsh1d(I);

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updated 10 years ago

Image Compression by Luigi Rosa

Demo source code for image compression. (compression, image compression, dct)

btcode (infile,bx,by,outfile)

conv2fft(z1,z2,shape,shape2)

convfft(z1,z2)

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updated 11 years ago

Snakes & Ladders Game by M M

Run to ladders and beware snakes. (games, game, board)

snakeladder()

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updated 11 years ago

Magic Cards by M M

Magic Card Game - You must try it. (games, magic, cards)

magiccards()

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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 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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