Multi-structure segmentation in CBCT volumes: The ToothFairy2 challenge.

Luca Lumetti

Federico Bolelli Luca Lumetti Niels van Nistelrooij Shankeeth Vinayahalingam Mattia Di Bartolomeo Kevin Marchesini Arrigo Pellacani Ettore Candeloro Gabriele Rosati Tong Xi Fabian Isensee Yannick Kirchhoff Lars Krämer Maximilian Rokuss Constantin Ulrich Klaus Maier-Hein Yuxian Jiang Yusheng Liu 0001 Lisheng Wang Haoshen Wang Siyu Chen Zhiming Cui 0001 Pengcheng Shi Zhaohong Pan Xiaokun Liang Qi Ma Ender Konukoglu Marek Wodzinski Henning Müller Haipeng Mai Xiaobing Dang Shrajan Bhandary Radu Grosu Stefaan Berge' Alexandre Anesi Costantino Grana Multi-structure segmentation in CBCT volumes: The ToothFairy2 challenge. 2026 104095 112 Medical Image Anal. https://doi.org/10.1016/j.media.2026.104095 db/journals/mia/mia112.html#BolelliLNVBMPCRXIKKRUMJ26 streams/journals/mia

Federico Bolelli Stefano Allegretti Luca Lumetti Costantino Grana A State-of-the-Art Review With Code About Connected Components Labeling on GPUs. 2026 April 885-904 37 IEEE Trans. Parallel Distributed Syst. 4 https://doi.org/10.1109/TPDS.2024.3434357 db/journals/tpds/tpds37.html#BolelliALG26 streams/journals/tpds

Federico Bolelli Achraf Ben-Hamadou Yaqi Wang 0002 Luca Lumetti Sergi Pujades Shuai Wang 0003 Kevin Marchesini Costantino Grana Oral and Dental Image Analysis - First International Workshop, ODIN 2025, and MICCAI Challenges, ToothFairy 2025 and STSR 2025, Held in Conjunction with MICCAI 2025, Daejeon, South Korea, September 27, 2025, Proceedings ODIN/MICCAI Challenges/ToothFairy/STSR@MICCAI Springer 2026 Lecture Notes in Computer Science 16473 978-3-032-20710-4 978-3-032-20711-1 https://doi.org/10.1007/978-3-032-20711-1 db/conf/miccai/odin2025.html

Luca Lumetti Vittorio Pipoli Kevin Marchesini Elisa Ficarra Costantino Grana Federico Bolelli Taming Mambas for 3D Medical Image Segmentation. 89748-89759 2025 13 IEEE Access https://doi.org/10.1109/ACCESS.2025.3570461 db/journals/access/access13.html#LumettiPMFGB25 streams/journals/access

Federico Bolelli Luca Lumetti Shankeeth Vinayahalingam Mattia Di Bartolomeo Arrigo Pellacani Kevin Marchesini Niels van Nistelrooij Pieter van Lierop Tong Xi Yusheng Liu 0001 Rui Xin 0003 Tao Yang 0037 Lisheng Wang Haoshen Wang Chenfan Xu Zhiming Cui 0001 Marek Wodzinski Henning Müller Yannick Kirchhoff Maximilian Rokuss Klaus H. Maier-Hein Jae-Hwan Han Wan Kim Hong-Gi Ahn Tomasz Szczepanski Michal K. Grzeszczyk Przemyslaw Korzeniowski Vicent Caselles Costa Xavier Paolo Burgos-Artizzu Ferran Prados Carrasco Stefaan Berge' Bram van Ginneken Alexandre Anesi Costantino Grana Segmenting the Inferior Alveolar Canal in CBCTs Volumes: The ToothFairy Challenge. 1890-1906 2025 April 44 IEEE Trans. Medical Imaging 4 https://doi.org/10.1109/TMI.2024.3523096 db/journals/tmi/tmi44.html#BolelliLVBPMNLXLXYWWXCW25 streams/journals/tmi

Federico Bolelli Kevin Marchesini Niels van Nistelrooij Luca Lumetti Vittorio Pipoli Elisa Ficarra Shankeeth Vinayahalingam Costantino Grana Segmenting Maxillofacial Structures in CBCT Volumes. 5238-5248 2025 CVPR https://openaccess.thecvf.com/content/CVPR2025/html/Bolelli_Segmenting_Maxillofacial_Structures_in_CBCT_Volumes_CVPR_2025_paper.html https://doi.org/10.1109/CVPR52734.2025.00494 conf/cvpr/2025 db/conf/cvpr/cvpr2025.html#BolelliMNLPFVG25 Nicola Morelli Kevin Marchesini Luca Lumetti Daniele Santi Costantino Grana Federico Bolelli Enhancing Testicular Ultrasound Image Classification Through Synthetic Data and Pretraining Strategies. 26-39 2025 ICIAP (2) https://doi.org/10.1007/978-3-032-10192-1_3 conf/iciap/2025-2 db/conf/iciap/iciap2025-2.html#MorelliMLSGB25 streams/conf/iciap Luca Lumetti Vittorio Pipoli Kevin Marchesini Elisa Ficarra Costantino Grana Federico Bolelli Accurate 3D Medical Image Segmentation with Mambas. 1-5 2025 ISBI https://doi.org/10.1109/ISBI60581.2025.10981167 conf/isbi/2025 db/conf/isbi/isbi2025.html#LumettiPMFGB25 Lorenzo Borghi Luca Lumetti Francesca Cremonini Federico Rizzo Costantino Grana Luca Lombardo Federico Bolelli Bits2Bites: Intra-oral Scans Occlusal Classification. ODIN/MICCAI Challenges/ToothFairy/STSR@MICCAI 2025 45-54 conf/miccai/2025odin https://doi.org/10.1007/978-3-032-20711-1_5 db/conf/miccai/odin2025.html#BorghiLCRGLB25 streams/conf/miccai Luca Lumetti Giacomo Capitani Elisa Ficarra Simone Calderara Costantino Grana Angelo Porrello Federico Bolelli U-Net Transplant: The Role of Pre-training for Model Merging in 3D Medical Segmentation. 618-628 2025 MICCAI (16) https://doi.org/10.1007/978-3-032-05325-1_59 conf/miccai/2025-16 db/conf/miccai/miccai2025-16.html#LumettiCFCGPB25 streams/conf/miccai Yaqi Wang 0002 Dahong Qian Shuai Wang 0003 Achraf Ben-Hamadou Sergi Pujades Luca Lumetti Costantino Grana Federico Bolelli Supervised and Semi-supervised Multi-structure Segmentation and Landmark Detection in Dental Data - MICCAI 2024 Challenges: ToothFairy 2024, 3DTeethLand 2024, and STS 2024, Held in Conjunction with MICCAI 2024, Marrakesh, Morocco, October 6, 2024, Proceedings ToothFairy/3DTeethLand/STS@MICCAI Springer 2025 Lecture Notes in Computer Science 15571 978-3-031-88976-9 978-3-031-88977-6 https://doi.org/10.1007/978-3-031-88977-6 db/conf/miccai/toothfairy2024.html

Luca Lumetti Vittorio Pipoli Federico Bolelli Elisa Ficarra Costantino Grana Enhancing Patch-Based Learning for the Segmentation of the Mandibular Canal. 79014-79024 2024 12 IEEE Access https://doi.org/10.1109/ACCESS.2024.3408629 db/journals/access/access12.html#LumettiPBFG24

Federico Bolelli Luca Lumetti Kevin Marchesini Ettore Candeloro Costantino Grana Investigating the ABCDE Rule in Convolutional Neural Networks. 94-111 2024 ICPR (13) https://doi.org/10.1007/978-3-031-78201-5_7 conf/icpr/2024-13 db/conf/icpr/icpr2024-13.html#BolelliLMCG24 streams/conf/icpr Luca Lumetti Vittorio Pipoli Federico Bolelli Elisa Ficarra Costantino Grana Location Matters: Harnessing Spatial Information to Enhance the Segmentation of the Inferior Alveolar Canal in CBCTs. 108-123 2024 ICPR (28) https://doi.org/10.1007/978-3-031-78104-9_8 conf/icpr/2024-28 db/conf/icpr/icpr2024-28.html#LumettiPBFG24 streams/conf/icpr Gabriele Rosati Kevin Marchesini Luca Lumetti Federica Sartori Beatrice Balboni Filippo Begarani Luca Vescovi Federico Bolelli Costantino Grana Identifying Impurities in Liquids of Pharmaceutical Vials. 269-283 2024 ICPR (17) https://doi.org/10.1007/978-3-031-78447-7_18 conf/icpr/2024-17 db/conf/icpr/icpr2024-17.html#RosatiMLSBBVBG24 streams/conf/icpr

Luca Lumetti Vittorio Pipoli Kevin Marchesini Elisa Ficarra Costantino Grana Federico Bolelli Taming Mambas for Voxel Level 3D Medical Image Segmentation. 2024 abs/2410.15496 CoRR https://doi.org/10.48550/arXiv.2410.15496 db/journals/corr/corr2410.html#abs-2410-15496 streams/journals/corr

Jun Ma 0016 Feifei Li 0010 Sumin Kim Reza Asakereh Bao-Hiep Le Dang-Khoa Nguyen-Vu Alexander Pfefferle Muxin Wei Ruochen Gao Donghang Lyu Songxiao Yang Lennart Purucker Zdravko Marinov Marius Staring Haisheng Lu Thuy Thanh Dao Xincheng Ye Zhi Li Gianluca Brugnara Philipp Vollmuth Martha Foltyn-Dumitru Jaeyoung Cho Mustafa A. Mahmutoglu Martin Bendszus Irada Pflüger Aditya Rastogi Dong Ni 0001 Xin Yang 0009 Guang-Quan Zhou Kaini Wang Nicholas Heller Nikolaos Papanikolopoulos Christopher J. Weight Yubing Tong Jayaram K. Udupa Patrick J. Cahill Yaqi Wang 0002 Yifan Zhang Francisco Contijoch Elliot R. McVeigh Xin Ye 0006 Shucheng He Robert Haase 0002 Thomas Pinetz Alexander Radbruch Inga Krause Erich Kobler Jian He Yucheng Tang Haichun Yang Yuankai Huo Gongning Luo Kaisar Kushibar Jandos Amankulov Dias Toleshbayev Amangeldi Mukhamejan Jan Egger Antonio Pepe 0003 Christina Gsaxner Gijs Luijten Shohei Fujita Tomohiro Kikuchi Benedikt Wiestler Jan S. Kirschke Ezequiel de la Rosa Federico Bolelli Luca Lumetti Costantino Grana Kunpeng Xie Guomin Wu Behrus Puladi Carlos Martín-Isla Karim Lekadir Víctor M. Campello Wei Shao 0008 Wayne Brisbane Hongxu Jiang Hao Wei Wu Yuan 0001 Shuangle Li Yuyin Zhou Bo Wang 0044 Efficient MedSAMs: Segment Anything in Medical Images on Laptop. 2024 abs/2412.16085 CoRR https://doi.org/10.48550/arXiv.2412.16085 db/journals/corr/corr2412.html#abs-2412-16085 streams/journals/corr

Gianpaolo Bontempo Luca Lumetti Angelo Porrello Federico Bolelli Simone Calderara Elisa Ficarra Buffer-MIL: Robust Multi-instance Learning with a Buffer-Based Approach. 1-12 2023 ICIAP (2) https://doi.org/10.1007/978-3-031-43153-1_1 conf/iciap/2023-2 db/conf/iciap/iciap2023-2.html#BontempoLPBCF23 Luca Lumetti Vittorio Pipoli Federico Bolelli Costantino Grana Annotating the Inferior Alveolar Canal: The Ultimate Tool. 525-536 2023 ICIAP (1) https://doi.org/10.1007/978-3-031-43148-7_44 conf/iciap/2023-1 db/conf/iciap/iciap2023-1.html#LumettiPBG23

Jianning Li 0002 Antonio Pepe 0003 Christina Gsaxner Gijs Luijten Yuan Jin Narmada Ambigapathy Enrico Nasca Naida Solak Gian Marco Melito Afaque R. Memon Xiaojun Chen 0003 Jan Stefan Kirschke Ezequiel de la Rosa Patrick Ferdinand Christ Hongwei Bran Li David G. Ellis Michele R. Aizenberg Sergios Gatidis Thomas Küstner Nadya Shusharina Nicholas Heller Vincent Andrearczyk Adrien Depeursinge Mathieu Hatt Anjany Sekuboyina Maximilian Löffler Hans Liebl Reuben Dorent Tom Vercauteren Jonathan Shapey Aaron Kujawa Stefan Cornelissen Patrick Langenhuizen Achraf Ben-Hamadou Ahmed Rekik Sergi Pujades Edmond Boyer Federico Bolelli Costantino Grana Luca Lumetti Hamidreza Salehi Jun Ma 0016 Yao Zhang 0010 Ramtin Gharleghi Susann Beier Arcot Sowmya Eduardo A. Garza-Villarreal Thania Balducci et al. MedShapeNet - A Large-Scale Dataset of 3D Medical Shapes for Computer Vision. 2023 abs/2308.16139 CoRR https://doi.org/10.48550/arXiv.2308.16139 db/journals/corr/corr2308.html#abs-2308-16139

Hong-Gi Ahn Michele R. Aizenberg et al. Stefano Allegretti Jandos Amankulov Narmada Ambigapathy Vincent Andrearczyk Alexandre Anesi Reza Asakereh Beatrice Balboni Thania Balducci Mattia Di Bartolomeo Filippo Begarani Susann Beier Achraf Ben-Hamadou Martin Bendszus Stefaan Berge' Shrajan Bhandary Federico Bolelli Gianpaolo Bontempo Lorenzo Borghi Edmond Boyer Wayne Brisbane Gianluca Brugnara Xavier Paolo Burgos-Artizzu Patrick J. Cahill Simone Calderara Víctor M. Campello Ettore Candeloro Giacomo Capitani Vicent CasellesVicent Caselles Costa Siyu Chen Xiaojun Chen 0003 Jaeyoung Cho Patrick Ferdinand Christ Francisco Contijoch Stefan Cornelissen Francesca Cremonini Zhiming Cui 0001 Xiaobing Dang Thuy Thanh Dao Adrien Depeursinge Reuben Dorent Jan Egger David Gage EllisDavid G. Ellis Elisa Ficarra Martha Foltyn-Dumitru Shohei Fujita Ruochen Gao Eduardo A. Garza-Villarreal Sergios Gatidis Ramtin Gharleghi Bram van Ginneken Costantino Grana Radu Grosu Michal K. Grzeszczyk Robert Haase 0002 Jae-Hwan Han Mathieu Hatt Jian He Shucheng He Nicholas Heller Yuankai Huo Fabian Isensee Hongxu Jiang Yuxian Jiang Yuan Jin Tomohiro Kikuchi Sumin Kim Wan Kim Yannick Kirchhoff Jan KirschkeJan S. KirschkeJan Stefan Kirschke Erich Kobler Ender Konukoglu Przemyslaw Korzeniowski Lars Krämer Inga Krause Aaron Kujawa Kaisar Kushibar Thomas KustnerThomas Küstner Patrick Langenhuizen Bao-Hiep Le Karim Lekadir Feifei Li 0010 Hongwei Li 0004Hongwei Bran Li Jianning Li 0002 Shuangle Li Zhi Li Xiaokun Liang Hans Liebl Pieter van Lierop Yusheng Liu 0001 Maximilian Löffler Luca Lombardo Haisheng Lu Gijs Luijten Gongning Luo Donghang Lyu Jun Ma 0016 Qi Ma Mustafa A. Mahmutoglu Haipeng Mai Klaus H. Maier-HeinKlaus Maier-Hein Kevin Marchesini Zdravko Marinov Carlos Martín-Isla Elliot R. McVeigh Gian Marco Melito Afaque R. Memon Nicola Morelli Amangeldi Mukhamejan Henning Müller Enrico Nasca Dang-Khoa Nguyen-Vu Dong Ni 0001 Niels van Nistelrooij Zhaohong Pan Nikolaos Papanikolopoulos Arrigo Pellacani Antonio Pepe 0003 Alexander Pfefferle Irada Pflüger Thomas Pinetz Vittorio Pipoli Angelo Porrello Ferran PradosFerran Prados Carrasco Sergi Pujades Behrus Puladi Lennart Purucker Dahong Qian Alexander Radbruch Aditya Rastogi Ahmed Rekik Federico Rizzo Maximilian Rokuss Ezequiel de la Rosa Gabriele Rosati Hamidreza Salehi Daniele Santi Federica Sartori Christina Schwarz-GsaxnerChristina Gsaxner Anjany Sekuboyina Wei Shao 0008 Jonathan Shapey Pengcheng Shi Nadya Shusharina Naida Solak Arcot Sowmya Marius Staring Tomasz Szczepanski Yucheng Tang Dias Toleshbayev Yubing Tong Jayaram K. Udupa Constantin Ulrich Tom Vercauteren Luca Vescovi Shankeeth Vinayahalingam Philipp Vollmuth Bo Wang 0044 Haoshen Wang Kai-Ni WangKaini Wang Lisheng Wang Shuai Wang 0003 Yaqi Wang 0002 Hao Wei Muxin Wei Christopher J. Weight Benedikt Wiestler Marek Wodzinski Guomin Wu Tong Xi Kunpeng Xie Rui Xin 0003 Chenfan Xu Haichun Yang Songxiao Yang Tao Yang 0037 Xin Yang 0009 Xin Ye 0006 Xincheng Ye Wu Yuan 0001 Yao Zhang 0010 Yifan Zhang Guangquan ZhouGuang-Quan Zhou Yuyin Zhou