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home about articles preprints workshops news image processing on line ipol is a research journal of image processing and image analysis which emphasizes the role of mathematics as a source for algorithm design and the reproducibility of the research. each article contains a text on an algorithm and its source code, with an online demonstration facility and an archive of experiments. text and source code are peer-reviewed and the demonstration is controlled. ipol is an open science and reproducible research journal. editorial policy editorial board submit an article follow ipol index · articles 2011 2012 2013 2014 2015 2016 2017 2018 · preprints · news · citation score latest articles efficient large-scale image search with a vocabulary tree 2018-06-03 · esteban uriza, francisco gómez fernández, martín rais a matlab smo implementation to train a svm classifier: application to multi-style license plate numbers recognition 2018-05-22 · pablo negri gestaltic grouping of line segments 2018-03-22 · boshra rajaei, rafael grompone von gioi contours, corners and t-junctions detection algorithm 2018-02-27 · antoni buades, rafael grompone von gioi, julia navarro the production of ground truths for evaluating highly accurate stereovision algorithms 2018-01-02 · tristan dagobert a contrario 3d point alignment detection algorithm 2017-12-30 · Álvaro gómez, gregory randall, rafael grompone von gioi series and special issues special issue on discrete geometry (dgci 2011) this special issue contains selected papers from the 16th iapr international conference on discrete geometry for computer imagery adapted to the ipol format. guest editor: bertrand kerautret. a streaming distance transform algorithm for neighborhood-sequence distances 2014-09-01 · nicolas normand, robin strand, pierre evenou, aurore arlicot digital level layers for digital curve decomposition and vectorization 2014-07-30 · laurent provot, yan gerard, fabien feschet a near-linear time guaranteed algorithm for digital curve simplification under the fréchet distance 2014-05-22 · isabelle sivignon meaningful scales detection: an unsupervised noise detection algorithm for digital contours 2014-05-07 · bertrand kerautret, jacques-olivier lachaud interactive segmentation based on component-trees 2014-05-05 · benoît naegel, nicolas passat extraction of connected region boundary in multidimensional images 2014-03-26 · david coeurjolly, bertrand kerautret, jacques-olivier lachaud siims companion papers local region expansion: a method for analyzing and refining image matches 2017-12-23 · erez farhan, elad meir, rami hagege comparison of motion smoothing strategies for video stabilization using parametric models 2017-11-26 · javier sánchez multi-scale dct denoising 2017-10-29 · nicola pierazzo, jean-michel morel, gabriele facciolo an algorithm for gaussian texture inpainting 2017-10-09 · bruno galerne, arthur leclaire cradle removal in x-ray images of panel paintings 2017-01-14 · gábor fodor, bruno cornelis, rujie yin, ann dooms, ingrid daubechies an iterative optimization algorithm for lens distortion correction using two-parameter models 2016-12-18 · daniel santana-cedrés, luis gómez, miguel alemán-flores, agustín salgado, julio esclarín, luis mazorra, luis Álvarez parigi: a patch-based approach to remove impulse-gaussian noise from images 2016-06-29 · julie delon, agnès desolneux, thierry guillemot on the implementation of collaborative tv regularization: application to cartoon+texture decomposition 2016-04-20 · joan duran, michael moeller, catalina sbert, daniel cremers the flutter shutter code calculator 2015-08-19 · yohann tendero obtaining high quality photographs of paintings by image fusion 2015-06-27 · antoni buades, gloria haro, enric meinhardt-llopis implementation of nonlocal pansharpening image fusion 2014-02-28 · antoni buades, bartomeu coll, joan duran, catalina sbert recovering the subpixel psf from two photographs at different distances 2013-10-23 · mauricio delbracio, andrés almansa, pablo musé the implementation of sure guided piecewise linear image denoising 2013-07-01 · yi-qing wang implementation of the "non-local bayes" (nl-bayes) image denoising algorithm 2013-06-17 · marc lebrun, antoni buades, jean-michel morel image interpolation with geometric contour stencils 2011-09-01 · pascal getreuer topics 3d a contrario 3d point alignment detection algorithm 2017-12-30 · Álvaro gómez, gregory randall, rafael grompone von gioi the bilateral filter for point clouds 2017-10-29 · julie digne, carlo de franchis iterative hough transform for line detection in 3d point clouds 2017-07-19 · christoph dalitz, tilman schramke, manuel jeltsch an implementation and parallelization of the scale space meshing algorithm 2015-11-23 · julie digne an analysis and implementation of a parallel ball pivoting algorithm 2014-07-01 · julie digne farman institute 3d point sets - high precision 3d data sets 2011-09-27 · julie digne, nicolas audfray, claire lartigue, charyar mehdi-souzani, jean-michel morel blur implementation of local fourier burst accumulation for video deblurring 2017-03-19 · jérémy anger, enric meinhardt-llopis computing an exact gaussian scale-space 2016-02-02 · ives rey otero, mauricio delbracio a survey of gaussian convolution algorithms 2013-12-17 · pascal getreuer total variation deconvolution using split bregman 2012-07-30 · pascal getreuer recovering the blur kernel from natural image statistics: an analysis of the goldstein-fattal method preprint · jérémy anger, gabriele facciolo, mauricio delbracio calibration an iterative optimization algorithm for lens distortion correction using two-parameter models 2016-12-18 · daniel santana-cedrés, luis gómez, miguel alemán-flores, agustín salgado, julio esclarín, luis mazorra, luis Álvarez automatic lens distortion correction using one-parameter division models 2014-11-20 · miguel alemán-flores, luis alvarez, luis gomez, daniel santana-cedrés recovering the subpixel psf from two photographs at different distances 2013-10-23 · mauricio delbracio, andrés almansa, pablo musé non-parametric sub-pixel local point spread function estimation 2012-03-23 · mauricio delbracio, pablo musé, andrés almansa algebraic lens distortion model estimation 2010-07-28 · luis alvarez, luis gomez, j. rafael sendra color and contrast midway video equalization 2017-04-24 · javier sánchez implementation of the midway image equalization 2016-06-21 · thierry guillemot, julie delon an algorithmic analysis of variational models for perceptual local contrast enhancement 2015-07-29 · sira ferradans, r. palma-amestoy, e. provenzi multiscale retinex 2014-04-16 · ana belén petro, catalina sbert, jean-michel morel screened poisson equation for image contrast enhancement 2014-03-11 · jean-michel morel, ana-belen petro, catalina sbert selective contrast adjustment by poisson equation 2013-09-26 · ana-belen petro, catalina sbert automatic color enhancement (ace) and its fast implementation 2012-11-06 · pascal getreuer color and contrast enhancement by controlled piecewise affine histogram equalization 2012-10-17 · jose-luis lisani, ana-belen petro, catalina sbert simplest color balance 2011-10-24 · nicolas limare, jose-luis lisani, jean-michel morel, ana belén petro, catalina sbert local color correction 2011-09-27 · juan gabriel gomila salas, jose luis lisani image color cube dimensional filtering and visualization 2011-06-22 · jose-luis lisani, antoni buades, jean-michel morel retinex poisson equation: a model for color perception 2011-04-05 · nicolas limare, ana belén petro, catalina sbert, jean-michel morel computational photography robust phase retrieval with the swept approximate message passing (prsamp) algorithm 2017-01-26 · boshra rajaei, sylvain gigan, florent krzakala, laurent daudet the flutter shutter code calculator 2015-08-19 · yohann tendero obtaining high quality photographs of paintings by image fusion 2015-06-27 · antoni buades, gloria haro, enric meinhardt-llopis the flutter shutter camera simulator 2012-10-17 · yohann tendero structural similarity metrics for quality image fusion assessment: algorithms preprint · silvina pistonesi, jorge martinez, silvia maria ojeda, ronny vallejos demosaicking a demosaicking algorithm with adaptive inter-channel correlation 2015-12-21 · joan duran, antoni buades implementation of nonlocal pansharpening image fusion 2014-02-28 · antoni buades, bartomeu coll, joan duran, catalina sbert image demosaicking with contour stencils 2012-03-24 · pascal getreuer gunturk-altunbasak-mersereau alternating projections image demosaicking 2011-09-01 · pascal getreuer zhang-wu directional lmmse image demosaicking 2011-09-01 · pascal getreuer self-similarity driven demosaicking 2011-06-01 · antoni buades, bartomeu coll, jean-michel morel, catalina sbert denoising multi-scale dct denoising 2017-10-29 · nicola pierazzo, jean-michel morel, gabriele facciolo a fast approximation of the bilateral filter using the discrete fourier transform 2017-05-24 · pravin nair, anmol popli, kunal n. chaudhury data adaptive dual domain denoising: a method to boost state of the art denoising algorithms 2017-05-24 · nicola pierazzo, gabriele facciolo analysis and extension of the pca method, estimating a noise curve from a single image 2016-12-29 · miguel colom, antoni buades parigi: a patch-based approach to remove impulse-gaussian noise from images 2016-06-29 · julie delon, agnès desolneux, thierry guillemot on the implementation of collaborative tv regularization: application to cartoon+texture decomposition 2016-04-20 · joan duran, michael moeller, catalina sbert, daniel cremers small neural networks can denoise image textures well: a useful complement to bm3d 2016-01-19 · yi-qing wang automatic detection and removal of impulsive noise in audio signals 2015-11-21 · laurent oudre the noise clinic: a blind image denoising algorithm 2015-01-28 · marc lebrun, miguel colom, jean-michel morel parameter-free fast pixelwise non-local means denoising 2014-11-19 · jacques froment an analysis and improvement of the bls-gsm denoising method 2014-04-03 · boshra rajaei analysis and extension of the percentile method, estimating a noise curve from a single image 2013-12-20 · miguel colom, antoni buades chambolle's projection algorithm for total variation denoising 2013-12-17 · joan duran, bartomeu coll, catalina sbert analysis and extension of the ponomarenko et al. method, estimating a noise curve from a single image 2013-07-23 · miguel colom, antoni buades the implementation of sure guided piecewise linear image denoising 2013-07-01 · yi-qing wang implementation of the "non-local bayes" (nl-bayes) image denoising algorithm 2013-06-17 · marc lebrun, antoni buades, jean-michel morel an analysis and implementation of the bm3d image denoising method 2012-08-08 · marc lebrun an implementation and detailed analysis of the k-svd image denoising algorithm 2012-05-19 · marc lebrun, arthur leclaire rudin-osher-fatemi total variation denoising using split bregman 2012-05-19 · pascal getreuer dct image denoising: a simple and effective image denoising algorithm 2011-10-24 · guoshen yu, guillermo sapiro non-local means denoising 2011-09-13 · antoni buades, bartomeu coll, jean-michel morel geometry a streaming distance transform algorithm for neighborhood-sequence distances 2014-09-01 · nicolas normand, robin strand, pierre evenou, aurore arlicot digital level layers for digital curve decomposition and vectorization 2014-07-30 · laurent provot, yan gerard, fabien feschet a near-linear time guaranteed algorithm for digital curve simplification under the fréchet distance 2014-05-22 · isabelle sivignon meaningful scales detection: an unsupervised noise detection algorithm for digital contours 2014-05-07 · bertrand kerautret, jacques-olivier lachaud interactive segmentation based on component-trees 2014-05-05 · benoît naegel, nicolas passat extraction of connected region boundary in multidimensional images 2014-03-26 · david coeurjolly, bertrand kerautret, jacques-olivier lachaud infrared non-uniformity correction of infrared images by midway equalization 2012-07-12 · yohann tendero, stéphane landeau, jérôme gilles learning and detection a matlab smo implementation to train a svm classifier: application to multi-style license plate numbers recognition 2018-05-22 · pablo negri a fast c++ implementation of neural network backpropagation training algorithm: application to bayesian optimal image demosaicing 2015-09-16 · yi-qing wang, nicolas limare an analysis of the viola-jones face detection algorithm 2014-06-26 · yi-qing wang inpainting non-local patch-based image inpainting 2017-12-13 · alasdair newson, andrés almansa, yann gousseau, patrick pérez variational framework for non-local inpainting 2015-12-26 · vadim fedorov, gabriele facciolo, pablo arias e-ple: an algorithm for image inpainting 2013-12-04 · yi-qing wang combined first and second order total variation inpainting using split bregman 2013-07-12 · konstantinos papafitsoros, carola bibiane schoenlieb, bati sengul total variation inpainting using split bregman 2012-07-30 · pascal getreuer interpolation how to apply a filter defined in the frequency domain by a continuous function 2016-11-07 · thibaud briand, jonathan vacher linear methods for image interpolation 2011-09-27 · pascal getreuer roussos-maragos tensor-driven diffusion for image interpolation 2011-09-13 · pascal getreuer image interpolation with geometric contour stencils 2011-09-01 · pascal getreuer malvar-he-cutler linear image demosaicking 2011-08-14 · pascal getreuer image interpolation with contour stencils 2011-08-01 · pascal getreuer image comparison efficient large-scale image search with a vocabulary tree 2018-06-03 · esteban uriza, francisco gómez fernández, martín rais local region expansion: a method for analyzing and refining image matches 2017-12-23 · erez farhan, elad meir, rami hagege the inverse compositional algorithm for parametric registration 2016-11-09 · javier sánchez an analysis of the surf method 2015-07-20 · edouard oyallon, julien rabin anatomy of the sift method 2014-12-22 · ives rey otero, mauricio delbracio automatic homographic registration of a pair of images, with a contrario elimination of outliers 2012-05-19 · lionel moisan, pierre moulon, pascal monasse asift: an algorithm for fully affine invariant comparison 2011-02-24 · guoshen yu, jean-michel morel an affine invariant patch similarity preprint · vadim fedorov, coloma ballester optical flow the inverse compositional algorithm for parametric registration 2016-11-09 · javier sánchez robust discontinuity preserving optical flow methods 2016-11-07 · nelson monzón, agustín salgado, javier sánchez an implementation of combined local-global optical flow 2015-06-25 · jorge jara-wilde, mauricio cerda, josé delpiano, steffen härtel a line search multilevel truncated newton algorithm for computing the optical flow 2015-06-19 · lluís garrido, el mostafa kalmoun robust optical flow estimation 2013-10-28 · javier sánchez pérez, nelson monzón lópez, agustín salgado de la nuez horn-schunck optical flow with a multi-scale strategy 2013-07-19 · enric meinhardt-llopis, javier sánchez pérez, daniel kondermann tv-l1 optical flow estimation 2013-07-19 · javier sánchez pérez, enric meinhardt-llopis, gabriele facciolo comparison of optical flow methods under stereomatching with short baselines preprint · tristan dagobert, nelson monzón, javier sánchez joint large-scale motion estimation and image reconstruction preprint · hendrik dirks joint tv-l1 optical flow and occlusion estimation preprint · juan francisco garamendi bragado, coloma ballester, lluís garrido, vanel lazcano, vicent caselles pde poisson image editing 2016-11-18 · j. matías di martino, gabriele facciolo, enric meinhardt-llopis a finite difference scheme for the stack filter simulating the mcm 2013-07-11 · marco mondelli finite difference schemes for mcm and amss 2011-09-13 · marco mondelli, adina ciomaga numerical simulation of landscape evolution models preprint · marc lebrun, jean-michel morel, miguel colom, jérôme darbon segmentation and edges gestaltic grouping of line segments 2018-03-22 · boshra rajaei, rafael grompone von gioi a sub-pixel edge detector: an implementation of the canny/devernay algorithm 2017-11-28 · rafael grompone von gioi, gregory randall 2d filtering of curvilinear structures by ranking the orientation responses of path operators (rorpo) 2017-10-01 · odyssee merveille, benoît naegel, hugues talbot, laurent najman, nicolas passat hyperspectral image classification using graph clustering methods 2017-08-19 · zhaoyi meng, ekaterina merkurjev, alice koniges, andrea l. bertozzi the image curvature microscope: accurate curvature computation at subpixel resolution 2017-07-28 · adina ciomaga, pascal monasse, jean-michel morel vanishing point detection in urban scenes using point alignments 2017-07-14 · josé lezama, gregory randall, rafael grompone von gioi an unsupervised algorithm for detecting good continuation in dot patterns 2017-04-24 · josé lezama, gregory randall, jean-michel morel, rafael grompone von gioi unsupervised smooth contour detection 2016-11-18 · rafael grompone von gioi, gregory randall generation and detection of alignments in gabor patterns 2016-11-18 · samy blusseau, rafael grompone von gioi a c++ implementation of otsu’s image segmentation method 2016-07-10 · juan pablo balarini, sergio nesmachnow an unsupervised point alignment detection algorithm 2015-12-15 · josé lezama, gregory randall, jean-michel morel, rafael grompone von gioi a review of classic edge detectors 2015-06-07 · haldo spontón, juan cardelino chan-vese segmentation 2012-08-08 · pascal getreuer lsd: a line segment detector 2012-03-24 · rafael grompone von gioi, jérémie jakubowicz, jean-michel morel, gregory randall a real time morphological snakes algorithm 2012-03-23 · luis alvarez, luis baumela, pablo márquez-neila, pedro henríquez stereovision the production of ground truths for evaluating highly accurate stereovision algorithms 2018-01-02 · tristan dagobert fundamental matrix of a stereo pair, with a contrario elimination of outliers 2016-05-17 · lionel moisan, pierre moulon, pascal monasse bilaterally weighted patches for disparity map computation 2015-03-11 · laura fernández julià, pascal monasse integral images for block matching 2014-12-16 · gabriele facciolo, nicolas limare, enric meinhardt-llopis stereo disparity through cost aggregation with guided filter 2014-10-23 · pauline tan, pascal monasse kolmogorov and zabih’s graph cuts stereo matching algorithm 2014-10-15 · vladimir kolmogorov, pascal monasse, pauline tan quasi-euclidean epipolar rectification 2011-09-13 · pascal monasse texture an algorithm for gaussian texture inpainting 2017-10-09 · bruno galerne, arthur leclaire realistic film grain rendering 2017-07-18 · alasdair newson, noura faraj, bruno galerne, julie delon cradle removal in x-ray images of panel paintings 2017-01-14 · gábor fodor, bruno cornelis, rujie yin, ann dooms, ingrid daubechies efros and freeman image quilting algorithm for texture synthesis 2017-01-11 · lara raad, bruno galerne directional filters for cartoon + texture image decomposition 2016-05-05 · antoni buades, jose-luis lisani the heeger & bergen pyramid based texture synthesis algorithm 2014-11-17 · thibaud briand, jonathan vacher, bruno galerne, julien rabin cartoon + texture image decomposition by the tv-l1 model 2014-09-05 · vincent le guen exemplar-based texture synthesis: the efros-leung algorithm 2013-10-23 · cecilia aguerrebere, yann gousseau, guillaume tartavel micro-texture synthesis by phase randomization 2011-09-23 · bruno galerne, yann gousseau, jean-michel morel cartoon+texture image decomposition 2011-09-13 · antoni buades, triet le, jean-michel morel, luminita vese vision through turbulence implementation of the centroid method for the correction of turbulence 2014-07-31 · enric meinhardt-llopis, mario micheli mao-gilles stabilization algorithm 2013-07-19 · jérôme gilles study of the principal component analysis method for the correction of images degraded by turbulence preprint · tristan dagobert, yohann tendero, stéphane landeau computer graphics accelerating monte carlo renderers by ray histogram fusion 2015-03-11 · mauricio delbracio, pablo musé, antoni buades, jean-michel morel satellite imaging attitude refinement for orbiting pushbroom cameras: a simple polynomial fitting method 2015-12-26 · carlo de franchis, enric meinhardt-llopis, daniel greslou, gabriele facciolo }" / other topics -- latest news software guidelines 1.04 2018-04-14 ipol software guidelines have been updated. they are available at http://tools.ipol.im/wiki/ref/software_guidelines/ . the main change with respect to the previous version is that there have been removed the restrictions regarding the exclusive use of c code and the limitations on the size of uploaded files. ipol will be indexed in scopus 2017-03-08 the scopus content selection & advisory board has advised that ipol will be accepted for inclusion in scopus. the title will be loaded in scopus as soon as the title and the content has been processed for indexing. ipol indexation in doaj 2017-01-02 ipol has been indexed in doaj (the directory of open access journals). doaj is an online directory that indexes and provides access to quality open access, peer-reviewed journals. ipol in doaj ipol will be at the workshop on reproducible research on pattern recognition 2016-09-05 ipol will be at the workshop on reproducible research on pattern recognition (wrrpr) in icpr 2016. you're welcome to participate! more info here: https://wrrpr2016.sciencesconf.org/ rrpr workshop ipol at the rcbr workshop of ntms 2015 2015-07-29 pascal monasse presented ipol during the rcbr workshop of the ntms conference in paris. the talk was about the analysis of four years of development. the associated ipol article is available in the conference proceedings of the ntms conference: miguel colom, bertrand kerautret, nicolas limare, pascal monasse, jean-michel morel, " ipol: a new journal for fully reproducible research; analysis of four years development ", proceedings of 7th ifip international conference on new technologies, mobility and security. slides article workshop info ipol is now indexed by dblp 2015-06-20 ipol is now indexed by dblp: ipol dblp feeds & twitter sitemap contact privacy policy issn: 2105-1232 doi: 10.5201/ipol ipol and its contributors acknowledge support from september 2010 to august 2015 by the european research council (advanced grant twelve labours n°246961). ipol is also supported by onr grant n00014-14-1-0023, cnes (miss project), fui 18 plein phare project, and anr-dga project anr-12-astr-0035. ipol is maintained by cmla , ens cachan dmi , universitat de les illes balears fing , universidad de la república © 2009-2016, ipol 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