2024:
Florian Kalinke, Zoltán Szabó. The Minimax Rate of HSIC Estimation for Translation-Invariant Kernels.
Advances in Neural Information Processing Systems (NeurIPS), 2024 (accepted).
paper,
paper (arXiv).
Tao Ma,
Xuzhi Yang, Zoltán Szabó. To Switch or Not to Switch? Balanced Policy Switching in Offline Reinforcement Learning.
Technical Report, 2024.
paper (arXiv).
2023:
Patric Bonnier,
Harald Oberhauser,
Zoltán Szabó.
Kernelized Cumulants: Beyond Kernel Mean Embeddings.
Advances in Neural Information Processing Systems (NeurIPS), pages 11049-11074, 10-16 Dec., 2023.
paper,
paper (NeurIPS),
paper (arXiv),
spotlight,
poster,
code.
2022:
Alex Lambert,
Dimitri Bouche,
Zoltán Szabó,
Florence d'Alché-Buc.
Functional output regression with infimal convolution: Exploring the Huber and epsilon-insensitive losses.
International Conference on Machine Learning (ICML), pages 11844-11867, 2022.
paper,
paper (ICML),
paper (arXiv),
slides,
poster,
presentation (video),
code.
2021:
Linda Chamakh, Zoltán Szabó.
Kernel Minimum Divergence Portfolios.
Technical Report, 2021.
paper (arXiv).
2020:
Pierre-Cyril Aubin-Frankowski, Zoltán Szabó. Hard Shape-Constrained Kernel Machines.
Advances in Neural Information Processing Systems (NeurIPS), pages 384-395, 8-10 Dec., 2020.
paper,
paper (NeurIPS),
paper (arXiv),
paper (HAL),
slides,
spotlight video,
code.
Pierre-Cyril Aubin-Frankowski, Zoltán Szabó. Hard Shape-Constrained Kernel Regression.
Joint Structures and Common Foundations of Statistical Physics, Information Geometry and Inference for Learning
(
SPIGL), 27-31 July, 2020.
abstract,
poster.
Pierre-Cyril Aubin-Frankowski,
Nicolas Petit, Zoltán Szabó.
Kernel Regression for Vehicle Trajectory Reconstruction under Speed and Inter-vehicular Distance Constraints.
IFAC World Congress (
IFAC WC), volume 53, pages 15084–15089, Berlin, Germany, 11-17 July, 2020.
paper,
paper (HAL),
slides,
talk (video, Pierre-Cyril).
2019:
Zoltán Szabó. Contributions to Kernel Techniques. Habilitation, 2019.
Matthieu Lerasle, Zoltán Szabó,
Timothée Mathieu,
Guillaume Lecué.
MONK -- Outlier-Robust Mean Embedding Estimation by Median-of-Means. In
International Conference on
Machine Learning (ICML), pages 3782-3793, Long Beach, California, USA,
June 9-15 2019.
paper,
paper (ICML),
paper (arXiv),
paper (HAL),
slides,
poster,
code.
Zoltán Szabó,
Bharath K. Sriperumbudur.
On Kernel Derivative Approximation with Random Fourier
Features. In
International Conference on Artificial Intelligence and Statistics
(AISTATS), pages 827-836, Naha, Okinawa, Japan,
16-18 April 2019.
paper,
paper (arXiv),
paper (HAL),
poster.
Romain Brault,
Alex Lambert,
Zoltán Szabó,
Maxime Sangnier,
Florence d'Alché-Buc.
Infinite-Task Learning with RKHSs.
In
International Conference on Artificial Intelligence and Statistics
(AISTATS), pages 1294-1302, Naha, Okinawa, Japan,
16-18 April 2019.
paper,
paper (arXiv),
paper (HAL),
poster.
Zoltán Szabó,
Bharath K. Sriperumbudur. Random Fourier Features on Kernel Derivatives.
In
Data Learning and Inference
(DALI), George, South Africa, 3-5 Jan.,
2019.
poster.
2018:
Zoltán Szabó,
Bharath K. Sriperumbudur. Characteristic Tensor Product Kernels.
In
Conference of the International Society for Non-Parametric Statistics
(ISNPS), Salerno,
Italy, 11-15 June, 2018.
abstract,
slides.
Bharath K. Sriperumbudur, Zoltán Szabó. Measures of (In)dependence Using Positive Definite Kernels.
In
Conference of the International Society for Non-Parametric Statistics (ISNPS), Salerno, Italy, 11-15 June, 2018.
abstract,
slides.
Zoltán Szabó,
Bharath K. Sriperumbudur. HSIC, A Measure of Statistical Independence?
In
Data Learning and Inference (DALI),
Lanzarote, Canary Islands, Spain, 3-5 April, 2018.
poster.
2017:
Wittawat Jitkrittum,
Wenkai Xu, Zoltán Szabó,
Kenji Fukumizu,
Arthur Gretton.
A Linear-Time Kernel Goodness-of-Fit Test. In
Advances in Neural Information Processing Systems (NIPS), pages 261-270, Long Beach, CA, U.S., 4-9 December 2017.
Best Paper Award (=in top 3 out of 3240 submissions);
paper,
paper (NIPS),
paper (arXiv),
paper (HAL),
slides,
slides @
MLTrain workshop,
poster,
talk (video),
interview at
TWiML & AI
(on
YouTube,
SoundCloud),
code.
Wittawat Jitkrittum, Zoltán Szabó,
Arthur Gretton. An Adaptive Test of Independence with Analytic Kernel Embeddings.
In
International Conference on Machine Learning (ICML), pages 1742-1751, Sydney, Australia, 6-11 Aug. 2017.
paper,
paper (ICML),
paper (arXiv),
paper (HAL),
slides,
poster,
code.
2016:
Wittawat Jitkrittum, Zoltán Szabó,
Kacper Chwialkowski,
Arthur Gretton. Interpretable Distribution Features with Maximum Testing Power.
In
Advances in Neural Information Processing Systems (NIPS-2016), pages 181-189, Barcelona, Spain, 5-10 December 2016.
paper,
paper (NIPS),
paper (arXiv),
3-minute spotlight video,
slides,
poster,
code.
Heiko Strathmann,
Dino Sejdinovic,
Samuel Livingston,
Ingmar Schuster,
Maria Lomeli Garcia, Zoltán Szabó, Christophe Andrieu,
Arthur Gretton. Kernel techniques for adaptive Monte Carlo methods.
In
Greek Stochastics Workshop on Big Data and Big Models, Tinos, Greek, 10-13 July 2016.
abstract,
slides.
2015:
Heiko Strathmann,
Dino Sejdinovic,
Samuel Livingston, Zoltán Szabó,
Arthur Gretton. Gradient-free Hamiltonian Monte Carlo with Efficient Kernel Exponential Families.
In
Advances in Neural Information Processing Systems (NIPS), pages 955-963, Montréal, Canada, 7-12 December 2015.
paper,
paper (NIPS),
paper (arXiv),
poster,
code.
Mijung Park,
Wittawat Jitkrittum,
Ahmad Qamar, Zoltán Szabó,
Lars Buesing,
Maneesh Sahani. Bayesian Manifold Learning: The Locally Linear Latent Variable Model.
In
Advances in Neural Information Processing Systems (NIPS), pages 154-162, Montréal,
Canada, 7-12 December 2015.
paper,
paper (NIPS),
paper (arXiv),
poster,
code.
Wittawat Jitkrittum,
Arthur Gretton, Nicolas Heess,
S. M. Ali Eslami,
Balaji Lakshminarayanan,
Dino Sejdinovic, Zoltán Szabó.
Just-In-Time Kernel Regression for Expectation Propagation. In
International Conference on Machine Learning (ICML) -
Large-Scale Kernel Learning: Challenges and New Opportunities workshop, Lille, France, 10-11 July 2015.
paper,
poster,
code.
Wittawat Jitkrittum,
Arthur Gretton, Nicolas Heess,
S. M. Ali Eslami,
Balaji Lakshminarayanan,
Dino Sejdinovic, Zoltán Szabó.
Kernel-Based Just-In-Time Learning for Passing Expectation Propagation Messages. In
Conference on Uncertainty in Artificial Intelligence (UAI), pages 405-414, Amsterdam, Netherlands, 12-16 July 2015.
paper,
paper (UAI),
supplement (UAI),
paper (arXiv),
spotlight,
poster,
code.
Zoltán Szabó,
Bharath K. Sriperumbudur,
Barnabás Póczos,
Arthur Gretton.
Distribution Regression - Make It Simple and Consistent. In
Data, Learning and Inference workshop (DALI), La Palma,
Canaries, Spain, 10-12 April 2015.
paper (arXiv),
poster,
code.
Wittawat Jitkrittum,
Arthur Gretton, Nicolas Heess,
S. M. Ali Eslami,
Balaji Lakshminarayanan,
Dino Sejdinovic, Zoltán Szabó.
Kernel-Based Just-In-Time Learning for Passing Expectation Propagation Messages. In
Data, Learning and Inference workshop
(DALI), La Palma
Canaries, Spain, 10-12 April 2015.
poster,
code.
Zoltán Szabó,
Arthur Gretton,
Barnabás Póczos,
Bharath K. Sriperumbudur.
Two-stage Sampled Learning Theory on Distributions.
In
International Conference on Artificial Intelligence and Statistics (AISTATS), pages 948-957,
San Diego, California, USA, 9-12 May 2015.
paper,
paper (arXiv),
slides,
code.
Balázs Pintér,
Gyula Vörös, Zoltán Szabó, and
András Lőrincz. Wikifying novel words to mixtures of Wikipedia senses by structured sparse coding. In
Pattern Recognition Applications and Methods, volume 318 of Advances in Intelligent and Soft Computing, pages 241-255. Springer, 2015.
paper,
paper (DOI).
2014:
Zoltán Szabó. Information Theoretical Estimators Toolbox.
Journal of Machine Learning Research 15:283-287, 2014.
paper,
paper (arXiv),
ITE toolbox.
László Jeni,
András Lőrincz, Zoltán Szabó,
Jeffrey Cohn, and
Takeo Kanade. Spatio-temporal event
classification using time-series kernel based structured sparsity. In
European Conference on Computer
Vision (ECCV), volume 8692 of LNCS - Part IV., pages 135-150, Zürich, Switzerland, 6-12 September 2014.
paper,
supplement,
paper (DOI),
video demo,
poster.
2013:
András Lőrincz,
László A. Jeni, Zoltán Szabó,
Jeffrey Cohn, and
Takeo Kanade. Emotional expression classification using time-series kernels. In
IEEE Conference on Computer Vision and Pattern Recognition Workshops (CVPRW): IEEE International Workshop on Analysis and Modeling of Faces and
Gestures (AMFG), pages 889-895, Portland, Oregon,
USA, 23-28 June 2013.
paper,
paper (arXiv),
paper (DOI).
Balázs Pintér,
Gyula Vörös, Zoltán Szabó, and
András Lőrincz.
Explaining unintelligible words by means of their context. In
International Conference on Pattern Recognition Applications and Methods
(ICPRAM), pages 382-387, Barcelona, Spain, 15-18 February 2013.
paper.
Balázs Pintér,
Gyula Vörös,
Zsolt Palotai, Zoltán Szabó, and
András Lőrincz.
Determining unintelligible words from their textual contexts.
Procedia - Social and Behavioral Sciences, 73:101-108, 2013. (Proceedings of International Conference on Integrated Information
(IC-ININFO), Budapest, Hungary, 30 August - 3 September 2012).
paper,
paper (DOI),
slides.
2012:
Balázs Pintér,
Gyula Vörös, Zoltán Szabó, and
András Lőrincz.
Automated Word Puzzle Generation via Topic Dictionaries. In
International Conference on Machine Learning (ICML) -
Sparsity, Dictionaries and Projections in Machine Learning and Signal Processing Workshop, Edinburgh, Scotland, 30 June 2012.
paper,
paper (arXiv),
slides.
Zoltán Szabó. Group-Structured and Independent Subspace Based Dictionary Learning.
PhD thesis, Eötvös Loránd University,
Budapest, 2012.
paper.
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz. Collaborative Filtering via Group-Structured Dictionary Learning. In
International Conference on
Latent Variable Analysis and Signal Separation (LVA/ICA), volume 7191 of
LNCS, pages 247-254, Tel-Aviv, Israel, 12-15 March 2012. Springer-Verlag, Berlin Heidelberg.
paper,
paper (with more details, arXiv),
paper (DOI),
poster spotlight,
poster.
2011:
Barnabás Póczos, Zoltán Szabó, and
Jeff Schneider. Nonparametric divergence estimators for Independent
Subspace Analysis. In
European Signal Processing Conference (EUSIPCO) - Special Session on
Dependent Component Analysis, pages 1849-1853, Barcelona, Spain, 29 August - 2 September 2011.
paper,
slides.
Zoltán Szabó and
Barnabás Póczos. Nonparametric Independent Process Analysis. In
European Signal Processing
Conference (EUSIPCO), pages 1718-1722, Barcelona, Spain, 29 August - 2 September 2011.
paper,
poster.
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz. Online Dictionary Learning with Group Structure Inducing Norms. In
International
Conference on Machine Learning (ICML) - Structured Sparsity:
Learning and Inference Workshop, Bellevue, Washington, USA, 2 July 2011.
paper,
slides,
poster.
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz. Online Group-Structured Dictionary Learning. In
IEEE Computer Vision and Pattern
Recognition (CVPR), pages 2865-2872, Colorado Springs, CO, USA, 20-25 June 2011.
paper,
supplement,
paper+supplement,
paper (DOI),
poster,
code.
2010:
Zoltán Szabó. Towards Nonstationary, Nonparametric Independent Process Analysis with Unknown Source Component Dimensions.
Technical report, Eötvös Loránd University, Budapest, 2010.
paper (arXiv).
Zoltán Szabó. Autoregressive Independent Process Analysis with Missing Observations. In
European Symposium on Artificial Neural Networks, Computational Intelligence and Machine Learning
(ESANN), Bruges, Belgium. d-side (2010), pages 159-164.
paper,
poster spotlight,
poster.
2009:
Zoltán Szabó. Independent Subspace Analysis in Case of Missing Observations. In
Symposium of Intelligent Systems, 2009.
poster (in Hungarian).
Zoltán Szabó. Separation Principles in Independent Process Analysis.
PhD thesis, Eötvös Loránd University, Budapest, 2009.
paper.
Zoltán Szabó and
András Lőrincz. Controlled Complete ARMA Independent Process Analysis.
In
International Joint Conference on Neural Networks (IJCNN), pages 3038-3045, Atlanta, Georgia, USA, 14-19 June 2009.
paper,
paper (DOI).
Zoltán Szabó and
András Lőrincz. Fast Parallel Estimation of High Dimensional Information Theoretical Quantities with Low Dimensional Random Projection Ensembles. In
International
Conference on Independent Component Analysis and Signal Separation (ICA),
volume 5441 of LNCS, pages 146-153, Paraty, Brazil, 15-18 March 2009. Springer-Verlag Berlin Heidelberg.
paper,
paper (DOI),
poster.
Zoltán Szabó. Complete Blind Subspace Deconvolution. In
International Conference on Independent Component Analysis and Signal Separation
(ICA), volume 5441 of LNCS, pages 138-145, Paraty, Brazil, 15-18 March 2009.
Springer-Verlag Berlin Heidelberg.
paper,
paper (DOI),
poster.
2008:
Zoltán Szabó and
András Lőrincz. Towards Independent Subspace Analysis in Controlled Dynamical Systems. In
ICA Research Network International Workshop
(ICARN), pages 9-12, Liverpool, U.K., 2008.
paper,
slides.
Zoltán Szabó, and
András Lőrincz. Post Nonlinear Hidden Infomax Identification.
In
Joint Conference of Hungarian PhD students, pages 52-58, Budapest, Hungary, 23-25 May 2008.
paper (in Hungarian),
slides (in Hungarian).
2007:
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz. Undercomplete Blind Subspace Deconvolution via Linear Prediction.
In
European Conference on Machine Learning (ECML) volume 4701 of LNAI, pages 740-747, Warsaw, Poland, 17-21 September 2007. Springer-Verlag.
paper,
paper (arXiv),
paper (DOI),
poster highlight,
poster.
Zoltán Szabó,
Barnabás Póczos,
Gábor Szirtes, and
András Lőrincz. Post Nonlinear Independent Subspace Analysis.
In
International Conference on Artificial Neural Networks (ICANN) volume 4668 of LNCS - Part I., pages 677-686, Porto, Portugal,
9-13 September 2007. Springer-Verlag.
paper,
paper (DOI),
slides.
Barnabás Póczos, Zoltán Szabó,
Melinda Kiszlinger, and
András Lőrincz. Independent Process Analysis without A Priori Dimensional Information.
In
International Conference on Independent Component Analysis and Signal Separation (ICA) volume
4666 of LNCS, pages 252-259, London, U.K., 9-12 September 2007. Springer-Verlag, Berlin Heidelberg.
paper,
paper (arXiv),
paper (DOI).
Zoltán Szabó and
András Lőrincz. Multilayer Kerceptron.
Journal of Applied Mathematics 24:209-222,
2007.
paper (in English),
paper (in Hungarian).
2006:
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz.
Separation Theorem for K-Independent Subspace Analysis with Sufficient Conditions.
Technical report, Eötvös Loránd University, Budapest,
2006.
paper (arXiv).
Zoltán Szabó and
András Lőrincz. Real and Complex Independent Subspace Analysis by Generalized Variance. In
ICA Research Network International
Workshop (ICARN), pages 85-88, Liverpool, U.K., 18-19 September 2006.
paper,
paper (arXiv),
slides.
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz. Cross-Entropy Optimization for Independent Process Analysis. In
International Conference on Independent Component Analysis and Blind Source Separation (ICA)
volume 3889 of LNCS, pages 909-916, Charleston, SC, USA, 5-8 March 2006. Springer.
paper,
paper (DOI),
poster.
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz.
Separation Theorem for Independent Subspace Analysis with Sufficient Conditions.
Technical report, Eötvös Loránd University, Budapest,
2006.
paper (arXiv).
Zoltán Szabó and
András Lőrincz. Epsilon-Sparse Representations: Generalized Sparse
Approximation and the Equivalent Family of SVM Tasks.
Acta Cybernetica 17(3):605-614,
2006.
paper.
2005:
Zoltán Szabó,
Barnabás Póczos, and
András Lőrincz.
Separation Theorem for Independent Subspace Analysis.
Technical report, Eötvös Loránd University, Budapest, 2005.
paper.
2004:
Zoltán Szabó and
András Lőrincz. L
1 regularization is better than L
2 for
learning and predicting chaotic systems.
Technical report, Eötvös Loránd University, Budapest, 2004.
paper (arXiv).
György Hévízi,
Mihály Biczó,
Barnabás Póczos, Zoltán Szabó,
Bálint Takács, and
András Lőrincz. Hidden Markov Model Finds Behavioral Patterns of Users Working with a
Headmouse Driven Writing Tool. In
International Joint Conference of Neural Networks (IJCNN),
Budapest, Hungary, 26-29 July, 2004.
paper,
paper (DOI),
slides.
2003: