RaCo: Ranking and Covariance for Practical Learned Keypoints Abhiram Shenoi, Philipp Lindenberger @pesarlin.bsky.social @marcpollefeys.bsky.social tl;dr: ALIKED arch + DaD RL train+full 360rotaug. Det+covariance heads, separate ranker model. No IMC eval #3DV2026 openreview.net/forum?id=BWt...

Marginalized Bundle Adjustment: Multi-View Camera Pose from Monocular Depth Estimates Shengjie Zhu, Ahmed Abdelkader, Mark J. Matthews, Xiaoming Liu, Wen-Sheng Chu tl;dr: BA for monodepth. IMC2021 results! openreview.net/forum?id=OMT...

Understanding and Optimizing Attention-Based Sparse Matching for Diverse Local Features Qiang Wang tl;dr: detector matters more, not descriptor! removing nearby keypoints matters! decouple det & desc; fine-tuning detector-agnostic eval on IMC2021 arxiv.org/abs/2602.08430

POPL-KF: A Pose-Only Geometric Representation-Based Kalman Filter for Point-Line-Based Visual-Inertial Odometry Aiping Wang, Zhaolong Yang, Shuwen Chen, Hai Zhang tl;dr: pose-only point and line VIO arxiv.org/abs/2602.06425

Efficient-LVSM: Faster, Cheaper, and Better Large View Synthesis Model via Decoupled Co-Refinement Attention Xiaosong Jia, Yihang Sun, Junqi You, Songbur Wong, Zichen Zou, Junchi Yan, Zuxuan Wu, Yu-Gang Jiang tl;dr: decouple input view encoding from target view generation arxiv.org/abs/2602.06478

COSMOS: Coherent Supergaussian Modeling with Spatial Priors for Sparse-View 3D Splatting Chaeyoung Jeong, Kwangsu Kim tl;dr: Gaussians->supergaussians arxiv.org/abs/2602.06044

Wid3R: Wide Field-of-View 3D Reconstruction via Camera Model Conditioning Dongki Jung, Jaehoon Choi, Adil Qureshi, Somi Jeong, Dinesh Manocha, Suyong Yeon tl;dr: Pi-3 with (ray+radial distance) point map prediction and wide/fisheye camera tokens. arxiv.org/abs/2602.05321

NeVStereo: A NeRF-Driven NVS-Stereo Architecture for High-Fidelity 3D Tasks Pengcheng Chen, Yue Hu, Wenhao Li, Nicole M Gunderson, Andrew Feng, Zhenglong Sun, Peter Beerel, Eric J Seibel tl;dr: COLMAP as initialization; ZipNeRF as backbone; DROID-SLAM as pose optimization arxiv.org/abs/2602.05423

QuantumGS: Quantum Encoding Framework for Gaussian Splatting Grzegorz Wilczyński, Rafał Tobiasz, Paweł Gora, Marcin Mazur, Przemysław Spurek tl;dr: viewing directions->Bloch sphere encoding->qubit states arxiv.org/abs/2602.05047

Gabor Fields: Orientation-Selective Level-of-Detail for Volume Rendering @jcondor.bsky.social, Nicolai Hermann, Mehmet Ata Yurtsever, Piotr Didyk tl;dr: another Gaussian + Gabor work arxiv.org/abs/2602.05081

Wid3R: Wide Field-of-View 3D Reconstruction via Camera Model Conditioning Dongki Jung, Jaehoon Choi, Adil Qureshi, Somi Jeong, Dinesh Manocha, Suyong Yeon tl;dr: camera ray->pixel; spherical harmonics encodes ray directions; camera model token->model prior arxiv.org/abs/2602.05321

VGGT-Motion: Motion-Aware Calibration-Free Monocular SLAM for Long-Range Consistency Zhuang Xiong, Chen Zhang, Qingshan Xu, Wenbing Tao tl;dr: optical flow->dynamic/static->submap partition; overlaped frames+loop closure->Sim(3) submap alignment arxiv.org/abs/2602.05508

TrajVG: 3D Trajectory-Coupled Visual Geometry Learning Xingyu Miao, Weiguang Zhao, Tao Lu, Linning Xu, Mulin Yu, Yang Long, Jiangmiao Pang, Junting Dong tl;dr: 3D tracking->camera-coordinate trajectories; couple trajectories&point maps&relative poses arxiv.org/abs/2602.04439

CoWTracker: Tracking by Warping instead of Correlation Zihang Lai, Eldar Insafutdinov, Edgar Sucar, Andrea Vedaldi tl;dr: iterative warping on current estimation,then spatio-temporal transformer refines tracks arxiv.org/abs/2602.04877

Towards Next-Generation SLAM: A Survey on 3DGS-SLAM Focusing on Performance, Robustness, and Future Directions Li Wang, Ruixuan Gong, Yumo Han, Lei Yang, Lu Yang, Ying Li, Bin Xu, Huaping Liu, Rong Fu tl;dr: in title arxiv.org/abs/2602.04251

S-MUSt3R: Sliding Multi-view 3D Reconstruction Leonid Antsfeld, Boris Chidlovskii, Yohann Cabon, @vincentleroy.bsky.social, Jerome Revaud tl;dr: sliding-window MUSt3R; overlapped input segments->MUSt3R->loop closure->PGO with iterative solver arxiv.org/abs/2602.04517

🎉 Thrilled to share our ICLR 2026 paper: 🔹 NPC Neural Predictor-Corrector: Solving Homotopy Problems with Reinforcement Learning 🚀 The first unified framework that reveals diverse problems share a common predictor-corrector structure 📄 Paper: arxiv.org/abs/2602.03086 💻 Code: [Coming soon] 1/

Pi-GS: Sparse-View Gaussian Splatting with Dense π^3 Initialization Manuel Hofer, Markus Steinberger, Thomas Köhler tl;dr: in title; π^3+PGSR arxiv.org/abs/2602.03327

XRefine: Attention-Guided Keypoint Match Refinement Jan Fabian Schmid, Annika Hagemann tl;dr: pairwise kpt2subpix with self-attention and study how kpt accuracy influences the camera pose accuracy arxiv.org/abs/2601.12530

The new CTU Rector begins their term in office with strong support for excellence. CTU has just launched a Starting Grant to attract outstanding early‑career researchers who wish to join CTU and establish their own research group. Funding: up to €160k per year for 3 years. Deadline: 30 March 2026.

3DGS2-TR: Scalable Second-Order Trust-Region Method for 3D Gaussian Splatting Roger Hsiao, Yuchen Fang, Xiangru Huang, Ruilong Li, Hesam Rabeti, Zan Gojcic, Javad Lavaei, James Demmel, Sophia Shao arxiv.org/abs/2602.00395

Interacted Planes Reveal 3D Line Mapping Zeran Ke, Bin Tan, Gui-Song Xia, Yujun Shen, Nan Xue tl;dr: PlanarSplatting extension; 2D lines<->2.5D depth&normal & 2D line & 3D planar edges association->joint line-plane optimization arxiv.org/abs/2602.01296

SurfSplat: Conquering Feedforward 2D Gaussian Splatting with Surface Continuity Priors Bing He, Jingnan Gao, Yunuo Chen, Ning Cao, Gang Chen, Zhengxue Cheng, Li Song, Wenjun Zhang tl;dr: 2DGS+surface continuity prior+forced alpha blending arxiv.org/abs/2602.02000

UrbanGS: A Scalable and Efficient Architecture for Geometrically Accurate Large-Scene Reconstruction Changbai Li, Haodong Zhu, Hanlin Chen, Xiuping Liang, Tongfei Chen, Shuwei Shao, Linlin Yang, Huobin Tan, Baochang Zhang arxiv.org/abs/2602.02089

Dual Quaternion SE(3) Synchronization with Recovery Guarantees Jianing Zhao, Linglingzhi Zhu, Anthony Man-Cho So tl;dr: PGO->LS over unit dual quaternions; Hermitian dual quaternion measurement matrix->eigenvector->init.-> DQGPM->iterative solver arxiv.org/abs/2602.00324

3D Foundation Model-Based Loop Closing for Decentralized Collaborative SLAM Pierre-Yves Lajoie, Benjamin Ramtoula, Daniele De Martini, @beltrame.mistlab.ca tl;dr: MASt3R+C-SLAM->inter-robot relative poses arxiv.org/abs/2602.02430

Lost in Space? Vision-Language Models Struggle with Relative Camera Pose Estimation Ken Deng, @yifuqiu-nlp.bsky.social, Yoni Kasten, Shay B. Cohen, Yftah Ziser tl;dr: curious about VLM for traditional 3D vision task? see this work arxiv.org/abs/2601.22228

TTSA3R: Training-Free Temporal-Spatial Adaptive Persistent State for Streaming 3D Reconstruction Zhijie Zheng, Xinhao Xiang, Jiawei Zhang tl;dr: model temporal state dynamics and spatial correspondence arxiv.org/abs/2601.22615

PLANING: A Loosely Coupled Triangle-Gaussian Framework for Streaming 3D Reconstruction tl;dr: learnable triangle primitives->geometry; neural Gaussians->appearance arxiv.org/abs/2601.22046

Multi-Robot Decentralized Collaborative SLAM in Planetary Analogue Environments: Dataset, Challenges, and Lessons Learned tl;dr: in title arxiv.org/abs/2601.21063

Mesh Splatting for End-to-end Multiview Surface Reconstruction Ruiqi Zhang, Jiacheng Wu, Jie Chen tl;dr: soften mesh into differentiable semi-transparent->splatting-based renderer->images arxiv.org/abs/2601.21400

GVGS: Gaussian Visibility-Aware Multi-View Geometry for Accurate Surface Reconstruction Mai Su, Qihan Yu, Zhongtao Wang, Yilong Li, Chengwei Pan, Yisong Chen, Guoping Wang tl;dr: visibility-aware (EAGLES) loss; DAv2 depth & rendered depth->quadtree-calibrated alignment arxiv.org/abs/2601.20331

FreeFix: Boosting 3D Gaussian Splatting via Fine-Tuning-Free Diffusion Models Hongyu Zhou, Zisen Shao, Sheng Miao, Pan Wang, Dongfeng Bai, Bingbing Liu, @yiyiliao.bsky.social arxiv.org/abs/2601.20857

Interviews for our 2026 research internships will commence soon. It is not too late to apply! A lot of exciting stuff is happening in 3D vision, let's explore it together.

VGGT-SLAM 2.0: Real time Dense Feed-forward Scene Reconstruction Dominic Maggio, @lucacarlone.bsky.social tl;dr: no 15 DoF alignment in VGGT-SLAM; keyframes as nodes+intra-/inter-submap edges->factor graph; attention layers in VGGT->image retrieval verification arxiv.org/abs/2601.19887

FreeOrbit4D: Training-Free Arbitrary Camera Redirection for Monocular Videos via Geometry-Complete 4D Reconstruction @vveicao.bsky.social, Hao Zhang, Fengrui Tian, Yulun Wu, Yingying Li, Shenlong Wang, Ning Yu, @yliu.de arxiv.org/abs/2601.18993

Geometry-Grounded Gaussian Splatting Baowen Zhang, Chenxing Jiang, Heng Li, Shaojie Shen, Ping Tan tl;dr: Gaussian primitives <=> stochastic solids; attenuation -> volume rendering <=> rasterization-based rendering arxiv.org/abs/2601.17835

Revisiting 3D Reconstruction Kernels as Low-Pass Filters Shengjun Zhang, Min Chen, Yibo Wei, Mingyu Dong, Yueqi Duan tl;dr: Jinc kernels->low pass filters; modulated kernels->fast spatial decay arxiv.org/abs/2601.17900

PPISP: Physically-Plausible Compensation and Control of Photometric Variations in Radiance Field Reconstruction Isaac Deutsch, Nicolas Moënne-Loccoz, Gavriel State, Zan Gojcic tl;dr: post-processing; rendered radiance->exposure and color correction arxiv.org/abs/2601.18336

A Step to Decouple Optimization in 3DGS Renjie Ding, Yaonan Wang, Min Liu, Jialin Zhu, Jiazheng Wang, Jiahao Zhao, Wenting Shen, Feixiang He, Xiang Che tl;dr: in title; analyze 3DGS-MCMC arxiv.org/abs/2601.16736

GPA-VGGT:Adapting VGGT to Large scale Localization by self-Supervised learning with Geometry and Physics Aware loss Yangfan Xu, Lilian Zhang, Xiaofeng He, Pengdong Wu, Wenqi Wu, Jun Mao tl;dr: Self-supervised VGGT arxiv.org/abs/2601.16885

AnyView: Synthesizing Any Novel View in Dynamic Scenes Basile Van Hoorick, Dian Chen, Shun Iwase, Pavel Tokmakov, @zubair-irshad.bsky.social, @ivasl.bsky.social, Swati Gupta, Fangzhou Cheng, Sergey Zakharov, Vitor Campagnolo Guizilini tl;dr: in title; DiT-based arxiv.org/abs/2601.16982

EVolSplat4D: Efficient Volume-based Gaussian Splatting for 4D Urban Scene Synthesis Sheng Miao, Sijin Li, Pan Wang, Dongfeng Bai, Bingbing Liu, Yue Wang, @andreasgeiger.bsky.social, @yiyiliao.bsky.social tl;dr: EVolSplat journal version->dynamic scene arxiv.org/abs/2601.15951

Keyframe-Based Feed-Forward Visual Odometry Weichen Dai, Wenhan Su, Da Kong, Yuhang Ming, Wanzeng Kong tl;dr: VGGT tokens & poses->RL->keyframe selection->alignment<-gt poses arxiv.org/abs/2601.16020

LaVR: Scene Latent Conditioned Generative Video Trajectory Re-Rendering using Large 4D Reconstruction Models Mingyang Xie, Numair Khan, Tianfu Wang, Naina Dhingra, Seonghyeon Nam, Haitao Yang, Zhuo Hui, Christopher Metzler, Andrea Vedaldi, @hamedpir.bsky.social, Lei Luo arxiv.org/abs/2601.14674

RayRoPE: Projective Ray Positional Encoding for Multi-view Attention Yu Wu, Minsik Jeon, Jen-Hao Rick Chang, @onceltuzel.bsky.social, Shubham Tulsiani arxiv.org/abs/2601.15275

Conformal Point and the Calibrated Conic Richard Hartley tl;dr: in title drive.google.com/file/d/1AFGD... arxiv.org/abs/2601.11679

studentSplat: Your Student Model Learns Single-view 3D Gaussian Splatting Yimu Pan, Hongda Mao, Qingshuang Chen, Yelin Kim tl;dr: multi-view teacher->single-view student; extrapolator for missing context arxiv.org/abs/2601.11772

Camera Pose Revisited Władysław Skarbek, Michał Salomonowicz, Michał Król tl;dr: closed-form solver for translation and local solver for rotation with Cayley parameterization arxiv.org/abs/2601.12567

XRefine: Attention-Guided Keypoint Match Refinement Jan Fabian Schmid, Annika Hagemann tl;dr: Keypt2Subpx with cross-attention w/o descriptor input; extend to multi-view setting no eval on IMC arxiv.org/abs/2601.12530