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van nguyen nguyen email vanngn dot nguyen at gmail dot com i am a research scientist at united imaging intelligence uii america in greater boston ma usa my research lies at the intersection of 3d computer vision and robotics with a focus on foundation models for 3d visual perception and multi modal understanding to facilitate robotics and human modeling i completed my phd at imagine team école des ponts paristech under the supervision of prof vincent lepetit where i worked on generalizable 6d pose estimation for novel objects news 02 2026 cif and medgrpo accepted to cvpr 2026 01 2026 universal beta splatting accepted to iclr 2026 06 2025 joined united imaging intelligence in burlington ma as a research scientist 06 2025 bop challenge 2024 report received cv4mr best paper award at cvpr 2025 04 2024 bop challenge 2024 report and gotrack accepted to cv4mr workshop at cvpr 2025 12 2024 phd defended 06 2024 bop challenge 2024 opened 05 2022 joined meta reality labs as a research intern with tomas hodan 04 2024 accepted to cvpr 2024 doctoral consortium 04 2024 bop challenge 2023 report accepted to cvprw 2024 02 2024 gigapose nope osv5m accepted to cvpr 2024 10 2023 cnos accepted to r6d workshop at iccv 2023 awarded best 2d detection method for unseen objects at bop challenge 2023 08 2022 pizza accepted as oral to 3dv 2022 05 2022 joined meta reality labs as a research intern working with pierre moulon 03 2022 template pose accepted to cvpr 2022 10 2020 started phd at imagine team advised by prof vincent lepetit show more phd thesis pose estimation of novel rigid objects supervisor prof vincent lepetit reviewers prof markus vincze dr benjamin busam examiners prof josef sivic prof dima damen dr slobodan ilic thesis pdf slides pdf publications all of my released code is maintained on my github account cif consistent instance field for dynamic scene understanding junyi wu van nguyen nguyen benjamin planche jiachen tao changchang sun zhongpai gao zhenghao zhao anwesa choudhuri gengyu zhang meng zheng feiran wang terrence chen yan yan ziyan wu cvpr 2026 a continuous probabilistic spatio temporal representation for dynamic scene understanding that disentangles visibility from persistent object identity our approach employs instance embedded deformable 3d gaussians that encode both radiance and semantic information enabling novel view panoptic segmentation and open vocabulary 4d querying tasks arxiv project medgrpo multi task reinforcement learning for heterogeneous medical video understanding yuhao su anwesa choudhuri zhongpai gao benjamin planche van nguyen nguyen meng zheng yuhan shen arun innanje terrence chen ehsan elhamifar ziyan wu cvpr 2026 we introduce medvidbench a large scale benchmark of 531k video instruction pairs across 8 medical sources and medgrpo an rl framework with cross dataset reward normalization and a medical llm judge for balanced multi dataset training fine tuning qwen2 5 vl 7b on medvidbench substantially outperforms gpt 4 1 and gemini 2 5 flash while medgrpo further improves grounding and captioning tasks arxiv project universal beta splatting rong liu zhongpai gao benjamin planche meida chen van nguyen nguyen meng zheng anwesa choudhuri terrence chen yue wang andrew feng ziyan wu iclr 2026 a unified framework that generalizes 3d gaussian splatting to n dimensional anisotropic beta kernels for explicit radiance field rendering beta kernels naturally decompose scene properties into interpretable components surface vs texture diffuse vs specular static vs dynamic without explicit supervision arxiv project code bop challenge 2024 on model free model based detection and pose estimation of unseen rigid objects van nguyen nguyen stephen tyree andrew guo médéric fourmy anas gouda taeyeop lee sungphill moon hyeontae son lukas ranftl jonathan tremblay eric brachmann bertram drost vincent lepetit carsten rother stan birchfield jiri matas yann labbé martin sundermeyer tomáš hodaň cvprw 2025 cv4mr best paper award the report of bop challenge 2024 on model based and model free 2d 6d object detection on bop classic and new bop h3 datasets hot3d hopev2 handal arxiv project gotrack generic 6dof object pose refinement and tracking van nguyen nguyen christian forster sindi shkodrani bugra tekin vincent lepetit cem keskin vincent lepetit tomáš hodaň cvprw 2025 an efficient and accurate cad based method for 6dof pose refinement and tracking of unseen objects given a cad model of an object an rgb image with known intrinsics that shows the object in an unknown pose and an initial object pose gotrack refines the object pose such as the 2d projection of the model aligns closely with the object s appearance in the image arxiv code bop challenge 2023 on detection segmentation and pose estimation of seen and unseen rigid objects tomas hodan martin sundermeyer yann labbé van nguyen nguyen gu wang eric brachmann bertram drost vincent lepetit carsten rother jiri matas cvprw 2024 the report of bop challenge 2023 on state of the art methods for seen and unseen object pose estimation arxiv project gigapose fast and robust novel object pose estimation via one correspondence van nguyen nguyen thibault groueix mathieu salzmann vincent lepetit cvpr 2024 a hybrid template patch correspondence approach that is fast robust and more accurate to estimate 6d pose of novel objects in rgb images gigapose predicts 6d object pose from a single 2d to 2d correspondence arxiv code nope novel object pose estimation from a single image van nguyen nguyen thibault groueix georgy ponimatkin yinlin hu renaud marlet mathieu salzmann vincent lepetit cvpr 2024 a method that can estimate relative pose of unseen objects given only a single reference image it also predicts 3d pose distribution which can be used to address pose ambiguities due to symmetries arxiv code openstreetview 5m the many roads to global visual geolocation guillaume astruc nicolas dufour ioannis siglidis constantin aronssohn nacim bouia stephanie fu romain loiseau van nguyen nguyen charles raude elliot vincent lintao xu hongyu zhou loic landrieu cvpr 2024 a new benchmark for visual geolocation geoguessr arxiv code cnos a strong baseline for cad based novel object segmentation van nguyen nguyen thibault groueix georgy ponimatkin vincent lepetit tomáš hodaň iccvw 2023 r6d best method award for 2d detection of unseen objects a method that can segment novel objects for a given rgb image from only their cad models based on segmenting anything dinov2 cnos is a strong baseline for task 5 and 6 in the bop challenge 2023 arxiv code pizza a powerful image only zero shot zero cad approach to 6dof tracking van nguyen nguyen yuming du yang xiao michaël ramamonjisoa vincent lepetit 3dv oral a method for tracking the 6d motion of objects in rgb video sequences when neither training images nor even the 3d geometry of the objects is available arxiv code templates for 3d object pose estimation revisited generalization to new objects and robustness to occlusions van nguyen nguyen yinlin hu yang xiao mathieu salzmann vincent lepetit cvpr 2022 a method that can recognize objects and estimate their 3d pose in color images even under partial occlusions our method requires neither a training phase on these objects nor real images depicting them only their cad models arxiv code industrial experience research scientist 06 2025 present research intern 06 2024 02 2025 05 2022 10 2022 research intern 02 2019 07 2019 research intern 07 2018 09 2018 service reviewing cvpr iccv eccv neurips icra iros ra l tpami 3dv accv bmvc teaching image processing and artificial vision 1st master level at enpc france in 2021 2022 workshop challenge r6d workshop 9th edition at eccv 2024 bop challenges 2025 edition 2024 edition 2023 edition