Share Your Attention: Transformer Weight Sharing via Matrix-based Dictionary Learning.

Stamatios Lefkimmiatis Magauiya Zhussip Dmitriy Shopkhoev Ammar Ali Stamatios Lefkimmiatis Share Your Attention: Transformer Weight Sharing via Matrix-based Dictionary Learning. 29260-29268 2026 AAAI https://doi.org/10.1609/aaai.v40i34.40165 conf/aaai/2026 db/conf/aaai/aaai2026.html#ZhussipSAL26

Ammar Ali Baher Mohammad Denis Makhov Dmitriy Shopkhoev Magauiya Zhussip Stamatios Lefkimmiatis ROCKET: Rapid Optimization via Calibration-guided Knapsack Enhanced Truncation for Efficient Model Compression. 2026 February abs/2602.11008 CoRR https://doi.org/10.48550/arXiv.2602.11008 db/journals/corr/corr2602.html#abs-2602-11008 streams/journals/corr

Denis Makhov Dmitriy Shopkhoev Magauiya Zhussip Ammar Ali Baher Mohammad Stamatios Lefkimmiatis COMPOT: Calibration-Optimized Matrix Procrustes Orthogonalization for Transformers Compression. 2026 February abs/2602.15200 CoRR https://doi.org/10.48550/arXiv.2602.15200 db/journals/corr/corr2602.html#abs-2602-15200 streams/journals/corr

Savva Ignatyev Daniil Selikhanovych Oleg Voynov Yiqun Wang 0001 Peter Wonka Stamatios Lefkimmiatis Evgeny Burnaev NeuSD: Surface Completion With Multi-View Text-to-Image Diffusion. 36939-36950 2025 13 IEEE Access https://doi.org/10.1109/ACCESS.2025.3536004 db/journals/access/access13.html#IgnatyevSVWWLB25 streams/journals/access

Dmitriy Shopkhoev Ammar Ali Magauiya Zhussip Valentin Malykh Stamatios Lefkimmiatis Nikos Komodakis Sergey Zagoruyko ReplaceMe: Network Simplification via Layer Pruning and Linear Transformations. 2025 May abs/2505.02819 CoRR https://doi.org/10.48550/arXiv.2505.02819 db/journals/corr/corr2505.html#abs-2505-02819 streams/journals/corr

Magauiya Zhussip Dmitriy Shopkhoev Ammar Ali Stamatios Lefkimmiatis Share Your Attention: Transformer Weight Sharing via Matrix-based Dictionary Learning. 2025 August abs/2508.04581 CoRR https://doi.org/10.48550/arXiv.2508.04581 db/journals/corr/corr2508.html#abs-2508-04581 streams/journals/corr

Dmitriy Shopkhoev Denis Makhov Magauiya Zhussip Ammar Ali Stamatios Lefkimmiatis COSPADI: Compressing LLMs via Calibration-Guided Sparse Dictionary Learning. 2025 September abs/2509.22075 CoRR https://doi.org/10.48550/arXiv.2509.22075 db/journals/corr/corr2509.html#abs-2509-22075 streams/journals/corr

Baher Mohammad Magauiya Zhussip Stamatios Lefkimmiatis Speak, Edit, Repeat: High-Fidelity Voice Editing and Zero-Shot TTS with Cross-Attentive Mamba. 2025 October abs/2510.04738 CoRR https://doi.org/10.48550/arXiv.2510.04738 db/journals/corr/corr2510.html#abs-2510-04738 streams/journals/corr

Kazii Botashev Vladislav A. Pyatov Gonzalo Ferrer 0001 Stamatios Lefkimmiatis GSLoc: Visual Localization with 3D Gaussian Splatting. 5664-5671 2024 IROS https://doi.org/10.1109/IROS58592.2024.10801919 conf/iros/2024 db/conf/iros/iros2024.html#BotashevP0L24 Vladislav A. Pyatov Iaroslav Koshelev Stamatios Lefkimmiatis Robust Two-View Geometry Estimation with Implicit Differentiation. 11924-11931 2024 IROS https://doi.org/10.1109/IROS58592.2024.10801617 conf/iros/2024 db/conf/iros/iros2024.html#PyatovKL24 Magauiya Zhussip Iaroslav Koshelev Stamatios Lefkimmiatis A Modular Conditional Diffusion Framework for Image Reconstruction. 2024 NeurIPS http://papers.nips.cc/paper_files/paper/2024/hash/b213d9a999b82cb6fcd03a0d5a7498be-Abstract-Conference.html conf/nips/2024 db/conf/nips/neurips2024.html#ZhussipKL24

Kazii Botashev Vladislav A. Pyatov Gonzalo Ferrer 0001 Stamatios Lefkimmiatis GSLoc: Visual Localization with 3D Gaussian Splatting. 2024 abs/2410.06165 CoRR https://doi.org/10.48550/arXiv.2410.06165 db/journals/corr/corr2410.html#abs-2410-06165 streams/journals/corr

Vladislav A. Pyatov Iaroslav Koshelev Stamatios Lefkimmiatis Robust Two-View Geometry Estimation with Implicit Differentiation. 2024 abs/2410.17983 CoRR https://doi.org/10.48550/arXiv.2410.17983 db/journals/corr/corr2410.html#abs-2410-17983 streams/journals/corr

Magauiya Zhussip Iaroslav Koshelev Stamatios Lefkimmiatis A Modular Conditional Diffusion Framework for Image Reconstruction. 2024 abs/2411.05993 CoRR https://doi.org/10.48550/arXiv.2411.05993 db/journals/corr/corr2411.html#abs-2411-05993 streams/journals/corr

Kirill Solodskikh Azim Kurbanov Ruslan Aydarkhanov Irina Zhelavskaya Yury Parfenov Dehua Song Stamatios Lefkimmiatis Integral Neural Networks. 16113-16122 2023 CVPR https://doi.org/10.1109/CVPR52729.2023.01546 conf/cvpr/2023 db/conf/cvpr/cvpr2023.html#SolodskikhKAZPS23 Stamatios Lefkimmiatis Iaroslav Koshelev Learning Sparse and Low-Rank Priors for Image Recovery via Iterative Reweighted Least Squares Minimization. 2023 ICLR https://openreview.net/forum?id=TXPN6MtdSE4 conf/iclr/2023 db/conf/iclr/iclr2023.html#LefkimmiatisK23

Stamatios Lefkimmiatis Iaroslav Koshelev Learning Sparse and Low-Rank Priors for Image Recovery via Iterative Reweighted Least Squares Minimization. 2023 abs/2304.10536 CoRR https://doi.org/10.48550/arXiv.2304.10536 db/journals/corr/corr2304.html#abs-2304-10536

Iaroslav Koshelev Stamatios Lefkimmiatis Iterative Reweighted Least Squares Networks With Convergence Guarantees for Solving Inverse Imaging Problems. 2023 abs/2308.05745 CoRR https://doi.org/10.48550/arXiv.2308.05745 db/journals/corr/corr2308.html#abs-2308-05745

Savva Ignatyev Daniil Selikhanovych Oleg Voynov Yiqun Wang 0001 Peter Wonka Stamatios Lefkimmiatis Evgeny Burnaev NeuSD: Surface Completion with Multi-View Text-to-Image Diffusion. 2023 abs/2312.04654 CoRR https://doi.org/10.48550/arXiv.2312.04654 db/journals/corr/corr2312.html#abs-2312-04654

Iaroslav Koshelev Daniil Selikhanovych Stamatios Lefkimmiatis DeepRLS: A Recurrent Network Architecture with Least Squares Implicit Layers for Non-blind Image Deconvolution. 2021 abs/2112.05505 CoRR https://arxiv.org/abs/2112.05505 db/journals/corr/corr2112.html#abs-2112-05505

Valeriya Pronina Filippos Kokkinos Dmitry V. Dylov Stamatios Lefkimmiatis Microscopy Image Restoration with Deep Wiener-Kolmogorov Filters. 185-201 2020 ECCV (20) https://doi.org/10.1007/978-3-030-58565-5_12 conf/eccv/2020-20 db/conf/eccv/eccv2020-20.html#ProninaKDL20 Iaroslav Koshelev Andrey Somov Stamatios Lefkimmiatis Antonio Jose Rodríguez-Sánchez Deconvolution of Image Sequences with a Learning FFT-based Approach. 1381-1386 2020 ISIE https://doi.org/10.1109/ISIE45063.2020.9152463 conf/isie/2020 db/conf/isie/isie2020.html#KoshelevSLR20

Filippos Kokkinos Stamatios Lefkimmiatis Iterative Joint Image Demosaicking and Denoising Using a Residual Denoising Network. 4177-4188 2019 28 IEEE Trans. Image Process. 8 https://doi.org/10.1109/TIP.2019.2905991 https://www.wikidata.org/entity/Q92497468 db/journals/tip/tip28.html#KokkinosL19

Filippos Kokkinos Stamatios Lefkimmiatis Iterative Residual CNNs for Burst Photography Applications. 5929-5938 2019 CVPR http://openaccess.thecvf.com/content_CVPR_2019/html/Kokkinos_Iterative_Residual_CNNs_for_Burst_Photography_Applications_CVPR_2019_paper.html https://doi.org/10.1109/CVPR.2019.00608 conf/cvpr/2019 db/conf/cvpr/cvpr2019.html#KokkinosL19

Valeriya Pronina Filippos Kokkinos Dmitry V. Dylov Stamatios Lefkimmiatis Microscopy Image Restoration with Deep Wiener-Kolmogorov filters. 2019 abs/1911.10989 CoRR http://arxiv.org/abs/1911.10989 db/journals/corr/corr1911.html#abs-1911-10989

Stamatios Lefkimmiatis Universal Denoising Networks : A Novel CNN Architecture for Image Denoising. 3204-3213 2018 CVPR http://openaccess.thecvf.com/content_cvpr_2018/html/Lefkimmiatis_Universal_Denoising_Networks_CVPR_2018_paper.html https://doi.org/10.1109/CVPR.2018.00338 https://doi.ieeecomputersociety.org/10.1109/CVPR.2018.00338 conf/cvpr/2018 db/conf/cvpr/cvpr2018.html#Lefkimmiatis18 Filippos Kokkinos Stamatios Lefkimmiatis Deep Image Demosaicking Using a Cascade of Convolutional Residual Denoising Networks. 317-333 2018 ECCV (14) https://doi.org/10.1007/978-3-030-01264-9_19 conf/eccv/2018-14 db/conf/eccv/eccv2018-14.html#KokkinosL18

Filippos Kokkinos Stamatios Lefkimmiatis Deep Image Demosaicking using a Cascade of Convolutional Residual Denoising Networks. 2018 abs/1803.05215 CoRR http://arxiv.org/abs/1803.05215 db/journals/corr/corr1803.html#abs-1803-05215

Filippos Kokkinos Stamatios Lefkimmiatis Iterative Residual Network for Deep Joint Image Demosaicking and Denoising. 2018 abs/1807.06403 CoRR http://arxiv.org/abs/1807.06403 db/journals/corr/corr1807.html#abs-1807-06403

Filippos Kokkinos Stamatios Lefkimmiatis Iterative Residual CNNs for Burst Photography Applications. 2018 abs/1811.12197 CoRR http://arxiv.org/abs/1811.12197 db/journals/corr/corr1811.html#abs-1811-12197

Andres Saucedo Stamatios Lefkimmiatis Novena Rangwala Kyunghyun Sung Improved Computational Efficiency of Locally Low Rank MRI Reconstruction Using Iterative Random Patch Adjustments. 1209-1220 2017 36 IEEE Trans. Medical Imaging 6 https://doi.org/10.1109/TMI.2017.2659742 https://www.wikidata.org/entity/Q38989096 db/journals/tmi/tmi36.html#SaucedoLRS17

Stamatios Lefkimmiatis Non-local Color Image Denoising with Convolutional Neural Networks. 5882-5891 2017 CVPR https://doi.org/10.1109/CVPR.2017.623 https://doi.ieeecomputersociety.org/10.1109/CVPR.2017.623 conf/cvpr/2017 db/conf/cvpr/cvpr2017.html#Lefkimmiatis17

Stamatios Lefkimmiatis Universal Denoising Networks : A Novel CNN-based Network Architecture for Image Denoising. 2017 abs/1711.07807 CoRR http://arxiv.org/abs/1711.07807 db/journals/corr/corr1711.html#abs-1711-07807

Stamatios Lefkimmiatis Non-Local Color Image Denoising with Convolutional Neural Networks. 2016 abs/1611.06757 CoRR http://arxiv.org/abs/1611.06757 db/journals/corr/corr1611.html#Lefkimmiatis16

Stamatios Lefkimmiatis Anastasios Roussos Petros Maragos Michael Unser Structure Tensor Total Variation. 1090-1122 2015 8 SIAM J. Imaging Sci. 2 https://doi.org/10.1137/14098154X db/journals/siamis/siamis8.html#LefkimmiatisRMU15

Emrah Bostan Stamatios Lefkimmiatis Orestis Vardoulis Nikolaos Stergiopulos Michael Unser Improved Variational Denoising of Flow Fields with Application to Phase-Contrast MRI Data. 762-766 2015 22 IEEE Signal Process. Lett. 6 https://doi.org/10.1109/LSP.2014.2369212 db/journals/spl/spl22.html#BostanLVSU15

Stamatios Lefkimmiatis Stanley J. Osher Nonlocal Structure Tensor Functionals for Image Regularization. 16-29 2015 1 IEEE Trans. Computational Imaging 1 https://doi.org/10.1109/TCI.2015.2434616 db/journals/tci/tci1.html#LefkimmiatisO15

Stamatios Lefkimmiatis Andres Saucedo Stanley J. Osher Kyunghyun Sung Vectorial non-local total variation regularization for calibration-free parallel MRI reconstruction. 1256-1259 2015 ISBI https://doi.org/10.1109/ISBI.2015.7164102 conf/isbi/2015 db/conf/isbi/isbi2015.html#LefkimmiatisSOS15 Sander Kromwijk Stamatios Lefkimmiatis Michael Unser High-performance 3D deconvolution of fluorescence micrographs. 1718-1722 2014 ICIP https://doi.org/10.1109/ICIP.2014.7025344 conf/icip/2014 db/conf/icip/icip2014.html#KromwijkLU14

Stamatios Lefkimmiatis John Paul Ward Michael Unser Hessian Schatten-Norm Regularization for Linear Inverse Problems. 1873-1888 2013 22 IEEE Trans. Image Process. 5 https://doi.org/10.1109/TIP.2013.2237919 https://www.wikidata.org/entity/Q45918926 db/journals/tip/tip22.html#LefkimmiatisWU13

Stamatios Lefkimmiatis Michael Unser Poisson Image Reconstruction With Hessian Schatten-Norm Regularization. 4314-4327 2013 22 IEEE Trans. Image Process. 11 https://doi.org/10.1109/TIP.2013.2271852 https://www.wikidata.org/entity/Q46467854 db/journals/tip/tip22.html#LefkimmiatisU13

Daniel Sage Hagai Kirshner Cédric Vonesch Stamatios Lefkimmiatis Michael Unser Benchmarking image-processing algorithms for biomicroscopy: Reference datasets and perspectives. 1-4 2013 EUSIPCO https://ieeexplore.ieee.org/document/6811705/ conf/eusipco/2013 db/conf/eusipco/eusipco2013.html#SageKVLU13 Stamatios Lefkimmiatis Michael Unser 3D Poisson microscopy deconvolution with Hessian Schatten-norm regularization. 161-164 2013 conf/isbi/2013 ISBI https://doi.org/10.1109/ISBI.2013.6556437 db/conf/isbi/isbi2013.html#LefkimmiatisU13 Stamatios Lefkimmiatis Anastasios Roussos Michael Unser Petros Maragos Convex Generalizations of Total Variation Based on the Structure Tensor with Applications to Inverse Problems. 48-60 2013 SSVM https://doi.org/10.1007/978-3-642-38267-3_5 https://www.wikidata.org/entity/Q57919452 conf/scalespace/2013 db/conf/scalespace/ssvm2013.html#LefkimmiatisRUM13

Stamatios Lefkimmiatis Aurélien Bourquard Michael Unser Hessian-Based Norm Regularization for Image Restoration With Biomedical Applications. 983-995 2012 21 IEEE Trans. Image Process. 3 https://doi.org/10.1109/TIP.2011.2168232 https://www.wikidata.org/entity/Q48109742 db/journals/tip/tip21.html#LefkimmiatisBU12

Stamatios Lefkimmiatis Michael Unser A projected gradient algorithm for image restoration under Hessian matrix-norm regularization. 3029-3032 2012 ICIP https://doi.org/10.1109/ICIP.2012.6467538 conf/icip/2012 db/conf/icip/icip2012.html#LefkimmiatisU12 Stamatios Lefkimmiatis Aurélien Bourquard Michael Unser Hessian-based regularization for 3-D microscopy image restoration. 1731-1734 2012 ISBI https://doi.org/10.1109/ISBI.2012.6235914 conf/isbi/2012 db/conf/isbi/isbi2012.html#LefkimmiatisBU12

Stamatios Lefkimmiatis John Paul Ward Michael Unser A Hessian Schatten-Norm Regularization Approach For Solving Linear Inverse Problems http://arxiv.org/abs/1209.3318 2012 CoRR abs/1209.3318 db/journals/corr/corr1209.html#abs-1209-3318

Zafer Dogan Stamatios Lefkimmiatis Aurélien Bourquard Michael Unser A second-order extension of TV regularization for image deblurring. 705-708 2011 ICIP https://doi.org/10.1109/ICIP.2011.6116651 conf/icip/2011 db/conf/icip/icip2011.html#DoganLBU11

Stamatios Lefkimmiatis Petros Maragos George Papandreou Bayesian Inference on Multiscale Models for Poisson Intensity Estimation: Applications to Photon-Limited Image Denoising. 1724-1741 2009 18 IEEE Trans. Image Process. 8 https://doi.org/10.1109/TIP.2009.2022008 https://www.wikidata.org/entity/Q51833776 db/journals/tip/tip18.html#LefkimmiatisMP09

Stamatios Lefkimmiatis George Papandreou Petros Maragos Poisson-Haar Transform: A nonlinear multiscale representation for photon-limited image denoising. 3853-3856 2009 ICIP https://doi.org/10.1109/ICIP.2009.5414053 conf/icip/2009 db/conf/icip/icip2009.html#LefkimmiatisPM09 Stamatios Lefkimmiatis Petros Maragos Athanassios Katsamanis Multisensor multiband cross-energy tracking for feature extraction and recognition. 4741-4744 2008 ICASSP https://doi.org/10.1109/ICASSP.2008.4518716 conf/icassp/2008 db/conf/icassp/icassp2008.html#LeflimmiatisMK08 Stamatios Lefkimmiatis George Papandreou Petros Maragos Photon-limited image denoising by inference on multiscale models. 2332-2335 2008 ICIP https://doi.org/10.1109/ICIP.2008.4712259 conf/icip/2008 db/conf/icip/icip2008.html#LefkimmiatisPM08

Stamatios Lefkimmiatis Petros Maragos A generalized estimation approach for linear and nonlinear microphone array post-filters. 657-666 2007 49 Speech Commun. 7-8 https://doi.org/10.1016/j.specom.2007.02.004 db/journals/speech/speech49.html#LefkimmiatisM07

Dimitrios Dimitriadis Petros Maragos Stamatios Lefkimmiatis Multiband, multisensor robust features for noisy speech recognition. 246-249 2007 INTERSPEECH https://doi.org/10.21437/Interspeech.2007-97 conf/interspeech/2007 db/conf/interspeech/interspeech2007.html#DimitriadisML07 Stamatios Lefkimmiatis Dimitrios Dimitriadis Petros Maragos An optimum microphone array post-filter for speech applications. 2006 INTERSPEECH https://doi.org/10.21437/Interspeech.2006-557 conf/interspeech/2006 db/conf/interspeech/interspeech2006.html#LeukimmiatisDM06 Ammar Ali Ruslan Aydarkhanov Emrah Bostan Kazii Botashev Aurélien Bourquard Evgeny Burnaev Dimitrios Dimitriadis Zafer Dogan Dmitry V. Dylov Gonzalo Ferrer 0001 Savva Ignatyev Athanasios KatsamanisAthanassios Katsamanis Hagai Kirshner Filippos Kokkinos Nikos Komodakis Iaroslav Koshelev Sander Kromwijk Azim Kurbanov Denis Makhov Valentin Malykh Petros Maragos Baher Mohammad Stanley J. Osher George Papandreou Yury Parfenov Valeriya Pronina Vladislav A. Pyatov Novena Rangwala Antonio Jose Rodríguez-Sánchez Anastasios Roussos Daniel Sage Andres Saucedo Daniil Selikhanovych Dmitriy Shopkhoev Kirill Solodskikh Andrey Somov Dehua Song Nikos StergiopulosNikolaos Stergiopulos Kyung Hyun SungKyunghyun Sung Michael Unser Orestis Vardoulis Cédric Vonesch Oleg Voynov Yiqun Wang 0001 John Paul Ward Peter Wonka Sergey Zagoruyko Irina Zhelavskaya Magauiya Zhussip