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updated 11 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 1 month ago

PeakFinder by Nathanael Yoder

Quickly finds local maxima (peaks) or minima (valleys) in a noisy signal. (signal processing, maxima, minima)

peakfinder(x0, sel, thresh, extrema, include_endpoints)

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updated 1 month ago

Optical Character Recognition (OCR) by Diego Barragán

The aim of OCR is to classify optical patterns corresponding to alphanumeric or other characters. (application, ocr, optimal character rec...)

[fl re]=lines(im_texto)

letter=read_letter(imagn,num_letras)

OCR.m

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updated 6 months ago

geom2d by David Legland

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

InterX(L1,varargin)

angle2Points(varargin)

angle3Points(varargin)

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updated 6 months ago

Image Preprocessing for OCR by Baba Dash

Preprocessing, noise removal, minimum bounding box, skeletonization (optical character rec..., ocr, preprocessing)

preprocimg(input_image)

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updated 1 year ago

Optical Character Recognition 2.0 (OCR 2.0) by Martin PIEGAY

improvements of Optical Character Recognition (OCR)by Diego Orlando (image processing, system identification, communications)

[char, re, esp]=chars(ligne)

[fl, re]=lines(im_texto)

read_letter_perso.m

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updated 2 years ago

PaReLab by danny yang

Pattern recognition lab, an image classification toolbox using Knn classifier and corss-validation. (image retrieval, image annotation, pattern recognition)

...

...

AdaptUbm(UBM, x_tv, avoid_non_psd, max_iters, error_thres)

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updated 2 years ago

Image Segmentation Tutorial ("BlobsDemo") by Image Analyst

Image Processing Tutorial to demonstrate the basic concepts to beginner users. (image processing, demo, potw)

BlobsDemo.m

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updated 2 years ago

Center-symmetric local binary patterns (CSLBP) by Junaid

An extension of Local Binary Pattern (LBP), that is quantized in nature. Used as descriptor. (cslbp operator, cslbp descriptor)

CSLBP(I)

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updated 3 years ago

OPTICAL CHARACTER RECOGNITION(lower case and space included) by Ankit Saroch

OCR to recognize upper/lowercase letters, numerals and spaces from a digital image. (image processing, ocr, optical character rec...)

[fl re space]=letter_crop(im_texto)

[fl re]=lines_crop(im_texto)

letter=read_letter(imagn,num_letras)

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updated 3 years ago

Accurate Fast Marching by Dirk-Jan Kroon

Multistencils second order Fast Marching 2D and 3D including rk4 shortest path and skeletonize (msfm, multistencils, multi stencils)

S=skeleton(I,verbose)

ShortestLine=shortestpath(DistanceMap,StartPoint,SourcePo...

[Fy,Fx,Fz]=pointmin(I)

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updated 3 years ago

Neuro-fuzzy classifier by Bayram

there are three classifiers and one feature selection method based on neuro-fuzy. (optimization, modeling, system identification)

custmf1(input, params)

fismat=nfc_fis(input,target,center,sigma_nf,class,clustsi...

nfc_feature_select.m

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updated almost 4 years ago

Thresholding an image by Image Analyst

GUI with sliders to set a threshold range on an image. Make a binary image. (image processing, threshold, binarize)

threshold(varargin)

threshold_grayscale_image(original_image, min_threshold, ...

demo_script.m

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updated 4 years ago

Skeletonization using voronoi by Yohai

An efficient skeletonization (thinning) which uses the Voronoi diagram. (skeletonization, thinning, image processing)

[skel v e]=voronoiSkel(BW,varargin)

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updated 5 years ago

A Corner Detector based on Global and Local Curvature Properties by Xiaochen He

A robust corner detector works on grey-level images as well as planar curves. (image analysis, corner detection, curvature)

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updated 6 years ago

Tensor Voting Framework by Trevor Linton

Implementation of the 2D medioni tensor framework (image analysis, tensor voting, gerard medioni)

calc_ortho_extreme( T,r,epsilon )

calc_refined_field( tf, im, sigma )

calc_sparse_field( image )

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updated 6 years ago

AWAITBAR: alternative to waitbar by Durga Lal Shrestha

Waitbar with an abort button, estimated time, elapsed time display (gui tools, example, waitbar)

awaitbar(x,whichbar,varargin)

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updated 6 years ago

Active Contour Segmentation by Shawn Lankton

Finds foreground and background regions using level sets and active contours. (morphology, segmentation, active contour)

region_seg(I,init_mask,max_its,alpha,display)

region_seg_demo.m

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updated 6 years ago

3D Stereo Disparity by Shawn Lankton

Compute 3D depth map from 2D images (image analysis, stereo, vision)

Luv2RGB(luvim)

RGB2Luv(im)

edison_wrapper(rgbim, featurefun, varargin)

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updated almost 7 years ago

Keypoint Extraction by Vincent Garcia

Extract image keypoints using most common algorithms. (keypoint extraction, corner extraction, image processing)

findLocalMaximum(val,radius)

kp_gilles(im,o_radius)

kp_harris(im)

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updated almost 7 years ago

Calculation of distance between strings by Eduard Polityko

A function computes Levenshtein and editor distances with use of Vagner-Fisher algorithm. (strings, levenstein distance, editor distance)

[d,A]=strdist(r,b,krk,cas)

Fordist.m

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updated 7 years ago

Better Skeletonization by Nicholas Howe

Provides an alternative to the image toolbox skeletonization implemented in bwmorph. (morphology, segmentation, skeletonization)

anaskel(wsk);

demo.m

skeleton.m

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updated 7 years ago

fpat: a fuzzy pattern detector by us

the only pattern detector you will ever need (fuzzy, pattern, find)

fpatdemo

p=fpat(varargin)

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updated 7 years ago

Dijkstra's Shortest Path Algorithm by Joseph Kirk

calculates the shortest path and distance between two nodes on a map (dijkstra, shortest path, shortest distance)

dijkstra(nodes,segments,start_id,finish_id)

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updated 7 years ago

Display pixels and pixel values by Steve Eddins

Display pixels and pixel values like impixelregion, but in an ordinary figure (gui, display, annotation)

showPixelValues(varargin)

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updated almost 8 years ago

Image segmentation & Extraction by Jeny Rajan

This program segments and extracts objects from an image. (morphology, segmentation, object identification)

seg.m

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updated 8 years ago

Local Adaptive Thresholding by Guanglei Xiong

Threshold with local statistics, such as mean or median. (filtering, threshold adaptive lo..., svm)

bw=adaptivethreshold(IM,ws,C,tm)

testadaptivethreshold.m

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updated 8 years ago

grep: a pedestrian, very fast grep utility by us

a unix-like, very fast grep utility to find strings(s) in files of any type (path, directories, files)

fgrepdem

[pout,p]=grep(varargin)

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updated almost 9 years ago

Harris Corner Detector by Ali Ganoun

The code calculates and display the Harris Feature Points. (image analysis, harris detector, corner detector)

Harris.m

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updated 10 years ago

spellcheck by Fahad Al Mahmood

This function checks the spelling of a word and returns suggestions if misspelled. (strings, spelling, spell check)

spellcheck(text)

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updated 10 years ago

dictionary by Fahad Al Mahmood

Checks the spelling status of word(s) and returns synonyms if found. (strings, spelling, spell check)

dictionary(text)

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