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Andrés Almansa

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On Maximum-a-Posteriori estimation with Plug & Play priors and stochastic gradient descent

Rémi Laumont , Valentin de Bortoli , Andrés Almansa , Julie Delon , Alain Durmus et al.
Journal of Mathematical Imaging and Vision, 2023, 65, pp.140-163. ⟨10.1007/s10851-022-01134-7⟩
Journal articles hal-03348735v3
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Solving Inverse Problems by Joint Posterior Maximization with Autoencoding Prior

Mario González , Andrés Almansa , Pauline Tan
SIAM Journal on Imaging Sciences, 2022, 15 (2), pp.822-859. ⟨10.1137/21M140225X⟩
Journal articles hal-03151455v4
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Bayesian imaging using Plug & Play priors: when Langevin meets Tweedie

Rémi Laumont , Valentin de Bortoli , Andrés Almansa , Julie Delon , Alain Durmus et al.
SIAM Journal on Imaging Sciences, 2022, ⟨10.1137/21m1406349⟩
Journal articles hal-03161400v3
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Processing Simple Geometric Attributes with Autoencoders

Alasdair Newson , Andrés Almansa , Yann Gousseau , Saïd Ladjal
Journal of Mathematical Imaging and Vision, 2020, 62 (3), pp.293-312. ⟨10.1007/s10851-019-00924-w⟩
Journal articles hal-02271281v1
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Multi-Task Learning of Height and Semantics from Aerial Images

Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé-Peloux , Frédéric Champagnat , Andrés Almansa et al.
IEEE Geoscience and Remote Sensing Letters, 2019, ⟨10.1109/LGRS.2019.2947783⟩
Journal articles hal-02386074v2
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Object removal from complex videos using a few annotations

Thuc Trinh Le , Andrés Almansa , Yann Gousseau , Simon Masnou
Computational Visual Media, 2019, 5, pp.267-291. ⟨10.1007/s41095-019-0145-0⟩
Journal articles hal-02168653v1
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A Bayesian Hyperprior Approach for Joint Image Denoising and Interpolation, with an Application to HDR Imaging

Cecilia Aguerrebere , Andrés Almansa , Julie Delon , Yann Gousseau , Pablo Musé et al.
IEEE Transactions on Computational Imaging, 2017, ⟨10.1109/TCI.2017.2704439⟩
Journal articles hal-01107519v5
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Fast and Accurate Multiplicative Decomposition for Fringe Removal in Interferometric Images

Daniel-Chen Soncco , Clara Barbanson , Mila Nikolova , Andrés Almansa , Yann Ferrec et al.
IEEE Transactions on Computational Imaging, 2017, 3 (2), ⟨10.1109/TCI.2017.2678279⟩
Journal articles hal-01492428v1

Non-Local Patch-Based Image Inpainting

Alasdair Newson , Andrés Almansa , Yann Gousseau , Patrick Pérez
Image Processing On Line, 2017, 7, pp.373-385. ⟨10.5201/ipol.2017.189⟩
Journal articles hal-03787302v1
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Demystifying the asymptotic behavior of global denoising

Antoine Houdard , Andrès Almansa , Julie Delon
Journal of Mathematical Imaging and Vision, 2017, ⟨10.1007/s10851-017-0716-6⟩
Journal articles hal-01340822v3
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A sparsity-based variational approach for the restoration of SMOS images from L1A data

Javier Preciozzi , Andrès Almansa , Pablo Musé , Sylvain Durand , Ali Khazaal et al.
IEEE Transactions on Geoscience and Remote Sensing, 2017, 55 (5), pp.2811--2826. ⟨10.1109/TGRS.2017.2654864⟩
Journal articles hal-01341839v2
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Robust Multi-image Processing With Optimal Sparse Regularization

Yann Traonmilin , Saïd Ladjal , Andrés Almansa
Journal of Mathematical Imaging and Vision, 2015, 51 (3), pp.413-429. ⟨10.1007/s10851-014-0532-1⟩
Journal articles hal-00940192v1
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Video Inpainting of Complex Scenes

Alasdair Newson , Andrés Almansa , Matthieu Fradet , Yann Gousseau , Patrick Pérez et al.
SIAM Journal on Imaging Sciences, 2014, 7 (4), pp.1993-2019. ⟨10.1137/140954933⟩
Journal articles hal-00937795v3
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Robust Automatic Line Scratch Detection in Films

Alasdair Newson , Andrés Almansa , Yann Gousseau , Patrick Pérez
IEEE Transactions on Image Processing, 2014, 23 (3), pp.1240-1254. ⟨10.1109/TIP.2014.2300824⟩
Journal articles hal-00927007v1
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Finding contrasted and regular edges by a contrario detection of periodic subsequences

Andrés Almansa , Mariano Tepper , Pablo Musé , Marta Mejail
Pattern Recognition, 2014, 47 (1), pp.72 - 79. ⟨10.1016/j.patcog.2013.06.025⟩
Journal articles hal-01867722v1

Recovering the Subpixel PSF from Two Photographs at Different Distances

Mauricio Delbracio , Andrés Almansa , Pablo Musé
Image Processing On Line, 2013, ⟨10.5201/ipol.2013.77⟩
Journal articles hal-02287086v1
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On the Role of Contrast and Regularity in Perceptual Boundary Saliency

Mariano Tepper , Pablo Musé , Andrés Almansa
Journal of Mathematical Imaging and Vision, 2013, 48 (3), pp.396-412. ⟨10.1007/s10851-012-0411-6⟩
Journal articles hal-00803806v1
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Subpixel Point Spread Function Estimation from Two Photographs at Different Distances

Mauricio Delbracio , Andrés Almansa , Jean-Michel Morel , Pablo Musé
SIAM Journal on Imaging Sciences, 2012, 5 (4), pp.1234-1260. ⟨10.1137/110848335⟩
Journal articles hal-00624757v3
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Meaningful Matches in Stereovision

Neus Sabater , Andrés Almansa , Jean-Michel Morel
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2012, 34 (5), pp.930-942. ⟨10.1109/TPAMI.2011.207⟩
Journal articles hal-00647995v1
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The non-parametric sub-pixel local point spread function estimation is a well posed problem

Mauricio Delbracio , Pablo Musé , Andrés Almansa , Jean-Michel Morel
International Journal of Computer Vision, 2011, pp.1-20. ⟨10.1007/s11263-011-0460-0⟩
Journal articles hal-00540637v1
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How Accurate Can Block Matches Be in Stereo Vision?

N. Sabater , J.-M. Morel , A. Almansa
SIAM Journal on Imaging Sciences, 2011, 4 (1), pp.472-500. ⟨10.1137/100797849⟩
Journal articles hal-00671759v1
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Automatically finding clusters in normalized cuts

Mariano Tepper , Pablo Musé , A. Almansa , Marta Mejail
Pattern Recognition, 2011, 44 (7), pp.1372-1386. ⟨10.1016/j.patcog.2011.01.003⟩
Journal articles hal-00631620v1
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Irregular to regular sampling, denoising and deconvolution

Gabriele Facciolo , Andrés Almansa , Jean-François Aujol , Vicent Caselles
Multiscale Modeling and Simulation: A SIAM Interdisciplinary Journal, 2009, 7 (4), pp.1574-1608. ⟨10.1137/080719443⟩
Journal articles hal-00988783v1
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Vanishing Point Detection without Any A Priori Information

Andrés Almansa , Agnès Desolneux , Sébastien Vamech
IEEE Transactions on Pattern Analysis and Machine Intelligence, 2003, 25 (4), pp.502-507. ⟨10.1109/TPAMI.2003.1190575⟩
Journal articles hal-00170785v1

Deep Model-Based Super-Resolution with Non-uniform Blur

Charles Laroche , Andrés Almansa , Matias Tassano
Winter Conference on Applications of Computer Vision (WACV 2023), IEEE/CVF, Jan 2023, Waikoloa, Hawaii, U.S. Outlying Islands
Conference papers hal-03787320v1
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A Patch-Based Algorithm for Diverse and High Fidelity Single Image Generation

Nicolas Cherel , Andrés Almansa , Yann Gousseau , Alasdair Newson
29th IEEE International Conference on Image Processing (ICIP) 2022, Oct 2022, Bordeaux, France
Conference papers hal-03822204v1
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Learning local regularization for variational image restoration

Jean Prost , Antoine Houdard , Andrés Almansa , Nicolas Papadakis
International Conference on Scale Space and Variational Methods in Computer Vision (SSVM'21), May 2021, Cabourg, France. pp.358-370, ⟨10.1007/978-3-030-75549-2_29⟩
Conference papers hal-03139784v1
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Apprentissage d'une fonction de régularisation locale pour la restauration d'images

Jean Prost , Antoine Houdard , Andrés Almansa , Nicolas Papadakis
Congrès des jeunes chercheurs en vision par ordinateur (ORASIS'21), Centre National de la Recherche Scientifique [CNRS], Sep 2021, Saint Ferréol, France
Conference papers hal-03339625v1
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Solving Inverse Problems by Joint Posterior Maximization with a VAE Prior

Mario Gonzalez , Andrés Almansa , Mauricio Delbracio , Pablo Musé , Pauline Tan et al.
(KHIPU) Latin American Meeting in Artificial Intelligence, Nov 2019, Montevideo, Uruguay
Conference papers hal-02364354v1
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Resolution-Preserving Speckle Reduction of SAR Images: the Benefits of Speckle Decorrelation and Targets Extraction

Rémy Abergel , Loïc Denis , Florence Tupin , Saïd Ladjal , Charles-Alban Deledalle et al.
2019 IEEE International Geoscience and Remote Sensing Symposium, Jul 2019, Yokohama, Japan. ⟨10.1109/IGARSS.2019.8900036⟩
Conference papers hal-02148907v1

Removing objects from videos with a few strokes

Thuc Trinh Le , Andrés Almansa , Yann Gousseau , Simon Masnou
SIGGRAPH Asia 2018 Technical Briefs, Dec 2018, Tokyo, Japan. pp.1-4, ⟨10.1145/3283254.3283276⟩
Conference papers hal-02099051v1
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Estimation de profondeur mono-image par réseaux de neurones et flou de défocalisation

Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé , Andrés Almansa , Frédéric Champagnat et al.
RFIAP SFPT 2018, Jun 2018, MARNE-LA-VALLEE, France
Conference papers hal-01977877v1
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Deep Depth from Defocus: how can defocus blur improve 3D estimation using dense neural networks?

Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé-Peloux , Andrés Almansa , Frédéric Champagnat et al.
ECCV 2018, Sep 2018, MUNICH, Germany. pp.307-323, ⟨10.1007/978-3-030-11009-3_18⟩
Conference papers hal-02486834v1
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On regression losses for deep depth estimation

Marcela Carvalho , Bertrand Le Saux , Pauline Trouvé-Peloux , Andrés Almansa , Fréderic Champagnat et al.
ICIP 2018, Oct 2018, ATHENES, Greece. ⟨10.1109/ICIP.2018.8451312⟩
Conference papers hal-01925321v1
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Joint denoising and decompression using CNN regularization

Mario González , Javier Preciozzi , Pablo Musé , Andrés Almansa
CVPR Workshop and Challenge on Learned Image Compression (CVPR 2018), IEEE/CVF, Jun 2018, Salt Lake City, UT, United States
Conference papers hal-01825573v1

Mesure de dissimilarité pour les patchs utilisant la corrélation

Paul Riot , Andrés Almansa , Yann Gousseau , Florence Tupin
GRETSI, 2017, Juan-Les-Pins, France
Conference papers hal-02287649v1

Inpainting vidéo préservant le mouvement

Thuc Trinh Le , Andrés Almansa , Yann Gousseau , Simon Masnou
GRETSI, Aug 2017, Juan Les Pins, France
Conference papers hal-02412269v1
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A Correlation-based Dissimilarity Measure for Noisy Patches

Paul Riot , Andrés Almansa , Yann Gousseau , Florence Tupin
SSVM 2017: International Conference on Scale Space and Variational Methods in Computer Vision, Jun 2017, Kolding, Denmark. pp.184-195, ⟨10.1007/978-3-319-58771-4_15⟩
Conference papers hal-01492429v1
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JOINT DENOISING AND DECOMPRESSION: A PATCH-BASED BAYESIAN APPROACH

Javier Preciozzi , Mario González , Andrés Almansa , Pablo Musé
ICIP 2017: IEEE International Conference on Image Processing, Sep 2017, Beijing, China
Conference papers hal-01493635v2
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Motion-consistent video inpainting

Thuc Trinh Le , Andrés Almansa , Yann Gousseau , Simon Masnou
ICIP 2017: IEEE International Conference on Image Processing, Sep 2017, Beijing, China. ⟨10.1109/ICIP.2017.8296651⟩
Conference papers hal-01492536v1
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Relief Computation from Images of a Fourier Transform Spectrometer for Interferogram Correction

Clara Barbanson , Andrés Almansa , Yann Ferrec , Pascal Monasse
Fourier Transform Spectroscopy (FTS) Meeting, Nov 2016, LEIPZIG, Germany. ⟨10.1364/FTS.2016.FM3E.6⟩
Conference papers hal-01408927v1
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Penalizing local correlations in the residual improves image denoising performance

Paul Riot , Andrès Almansa , Yann Gousseau , Florence Tupin
(EUSIPCO 2016) 24th European Signal Processing Conference, Aug 2016, Budapest, Hungary
Conference papers hal-01341968v1
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Reconstruction du relief par images des plans épipolaires à partir d'acquisitions aériennes denses

Clara Barbanson , Andrés Almansa , Yann Ferrec , Pascal Monasse
SFPT 2016 Colloque « Photogrammétrie Numérique et Perception 3D : les Nouvelles Conquêtes » , Mar 2016, MARNE LA VALLEE, France
Conference papers hal-01411941v1

Video Inpainting, Challenges & Perspectives in Probabilistic Modelling of Natural Images and Videos

Andrés Almansa
Challenges in Dynamic Imaging Data - Turing Gateway to Mathematics, May 2015, Isaac Newton Institute, Cambridge, United Kingdom
Conference papers hal-02288457v1

Single shot high dynamic range imaging using an hyperprior Bayesian estimator

Andrés Almansa
Workshop on New Trends in Optimization for Imaging, Jan 2015, TSIMF, Sanya, China
Conference papers hal-02288432v1
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Covariance Trees for 2D and 3D Processing

Thierry Guillemot , Andrés Almansa , Tamy Boubekeur
IEEE Conference on Computer Vision and Pattern Recognition (CVPR), Jun 2014, Colombus, United States. pp.556-563, ⟨10.1109/CVPR.2014.78⟩
Conference papers hal-01117099v2

Recent Advances in Non-Local Image Restoration and Video Inpainting

Andrés Almansa
(CLEI 2014) Latin American Computing Conference, Sep 2014, Montevideo, Uruguay
Conference papers hal-02287089v1
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SMOS images restoration from L1A data: A sparsity-based variational approach

J. Preciozzi , Pablo Musé , Andrés Almansa , Sylvain Durand , Ali Khazaal et al.
IEEE Geoscience and Remote Sensing Symposium, Jul 2014, Quebec, Canada. pp.2487-2490, ⟨10.1109/IGARSS.2014.6946977⟩
Conference papers hal-01265931v1
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Single Shot High Dynamic Range Imaging Using Piecewise Linear Estimators

Cecilia Aguerrebere , Andrés Almansa , Yann Gousseau , Julie Delon , Pablo Muse et al.
2014 IEEE International Conference on Computational Photography (ICCP), May 2014, Santa Clara, CA, United States. pp.1-10, ⟨10.1109/ICCPHOT.2014.6831807⟩
Conference papers hal-01054831v1

Texture aware video inpainting of complex scenes

Andrés Almansa
Foundations of Computational Mathematics, Workshop A2, Dec 2014, Montevideo, Uruguay
Conference papers hal-02287088v1

Lunar impact crater modeling using trinocular stereoscopic depth inpainting

Raghavendra Bhalerao , Shirish H. Gedam , Jyoti Joglekar , Andrés Almansa
(ICIIP-2013) IEEE Second International Conference on Image Information Processing, Feb 2013, Waknaghat, India. ⟨10.1109/ICIIP.2013.6707543⟩
Conference papers hal-02412133v1
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Quantification de la robustesse de la super-résolution par minimisation L1

Yann Traonmilin , Andrés Almansa , Saïd Ladjal
23ème Colloque Gretsi (Gretsi 2013), Sep 2013, Brest, France
Conference papers hal-00835739v1
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Outlier Removal Power of the L1-Norm Super-Resolution

Yann Traonmilin , Saïd Ladjal , Andrés Almansa
4th International Conference, SSVM 2013,, Jun 2013, Austria. pp.198-209, ⟨10.1007/978-3-642-38267-3_17⟩
Conference papers hal-00803695v1

Vers un inpainting vidéo automatique, rapide et générique

Alasdair Newson , Andrés Almansa , Matthieu Fradet , Yann Gousseau , Patrick Perez et al.
(Gretsi 2013) 23ème Colloque Gretsi, 2013, Brest, France
Conference papers hal-02287085v1
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Towards fast, generic video inpainting

Alasdair Newson , Matthieu Fradet , Patrick Pérez , Andrés Almansa , Yann Gousseau et al.
Proceedings of the 10th European Conference on Visual Media Production - CVMP ’13, ACM SIGGRAPH, Nov 2013, London, United Kingdom. ⟨10.1145/2534008.2534019⟩
Conference papers hal-00838927v1

Fast epipolar resampling of trinocular linear scanners images using Chandrayaan-1 TMC dataset

Raghavendra Bhalerao , Shirish H. Gedam , Andrés Almansa
(ICIIP-2013) IEEE Second International Conference on Image Information Processing, 2013, Waknaghat, Shimla, Himachal Pradesh, India. ⟨10.1109/ICIIP.2013.6707546⟩
Conference papers hal-02288431v1

Non Local Point Set Surfaces

Thierry Guillemot , Andrés Almansa , Tamy Boubekeur
International Conference on 3D Imaging, Modeling, Processing, Visualization and Transmission (3DIMPVT 2012), Oct 2012, Zurich, Switzerland. pp.324-331, ⟨10.1109/3DIMPVT.2012.71⟩
Conference papers hal-01117141v1

Adaptive Line Scratch Detection in Degraded Films

Alasdair Newson , Patrick Pérez , Andrés Almansa , Yann Gousseau
Conference on Visual Media Production, Dec 2012, London, United Kingdom. pp.66-74, ⟨10.1145/2414688.2414697⟩
Conference papers hal-00927466v1
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On the Amount of Regularization for Super-Resolution Interpolation

Yann Traonmilin , Saïd Ladjal , Andrés Almansa
20th European Signal Processing Conference 2012, Aug 2012, Romania. pp.380 - 384
Conference papers hal-00824670v1

Sparsity-based restoration of SMOS images in the presence of outliers

Javier Preciozzi , Pablo Musé , Andrés Almansa , Sylvain Durand , François Cabot et al.
IEEE International Geoscience and Remote Sensing Symposium, 2012, Germany
Conference papers hal-00712111v1

Sparsity-based restoration of SMOS images in the presence of outliers

Javier Preciozzi , Pablo Musé , Andrés Almansa , Sylvain Durand , François Cabot et al.
IEEE International Geoscience and Remote Sensing Symposium, Aug 2012, Munich, Germany
Conference papers hal-01433607v1

Blind Subpixel Point Spread Function Estimation from Scaled Image Pairs

Mauricio Delbracio , Andrés Almansa , Pablo Musé , J.-M. Morel
SIAM Conference on Imaging Science, May 2012, Philadelphia, United States
Conference papers hal-02286429v1

Finding Edges by A Contrario Detection of Periodic Subsequences

Mariano Tepper , Pablo Musé , Andrés Almansa , Marta Mejail
LNCS - Progress in Pattern Recognition, Image Analysis, Computer Vision, and Applications (CIARP 2012), Sep 2012, Buenos Aires, Argentina. pp.773-780, ⟨10.1007/978-3-642-33275-3_95⟩
Conference papers hal-02286428v1
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Deblurring of irregularly sampled images by TV regularization in a spline space

Andrés Almansa , Julien Caron , Sylvain Durand
(ICIP) International Conference on Image Processing, Sep 2010, Hong Kong, China. pp.1181-1184
Conference papers hal-00497000v1

Discarding moving objects in quasi-simultaneous stereovision

N. Sabater , J.-M. Morel , Andrés Almansa , G. Blanchet
(ICIP 2010) 17th IEEE International Conference on Image Processing, Sep 2010, Hong Kong, China. pp.2957 - 2960, ⟨10.1109/ICIP.2010.5653500⟩
Conference papers hal-02411871v1

Deblurring of irregularly sampled images by TV regularization in a spline space

Andrés Almansa , Julien Caron , Sylvain Durand
IEEE International Conference on Image Processing, 2010, Hong Kong SAR China
Conference papers hal-00712117v1

Review of low-baseline stereo algorithms and benchmarks

Neus Sabater , Gwendoline Blanchet , Lionel Moisan , Andrés Almansa , Jean-Michel Morel et al.
Image and Signal Processing for Remote Sensing XVI, Sep 2010, Toulouse, France. pp.783005, ⟨10.1117/12.865087⟩
Conference papers hal-00624501v1

Measuring and Improving Image Resolution by Adaptation of the reciprocal Cell

Andrés Almansa , Sylvain Durand , Bernard Rougé
IEEE International Geoscience and Remote Sensing Symposium, 2003, France
Conference papers hal-00712157v1

Stereo Reconstruction in Satellite and Aerial Imaging

Julie Delon , Andrés Almansa
Inverse Problems in Vision and 3D Tomography, John Wiley & Sons, Inc., 2013, ⟨10.1002/9781118603864.ch12⟩
Book sections hal-02287087v1

Reconstruction stéréo en imagerie satellitaire ou aérienne

J. Delon , A. Almansa
Problèmes inverses en imagerie et en vision, Hermès Science - Lavoisier, pp.425-451, 2009
Book sections hal-00479542v1
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Sampling, interpolation and detection. Applications in satellite imaging.

Andrés Almansa
Signal and Image processing. École normale supérieure de Cachan - ENS Cachan, 2002. English. ⟨NNT : ⟩
Theses tel-00665725v1
Image document

Sur quelques problèmes mathématiques en analyse d'images et vision stéréoscopique

Andrés Almansa
Traitement du signal et de l'image [eess.SP]. Université René Descartes - Paris V, 2005
Habilitation à diriger des recherches tel-00011765v1