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3D semantic occupancy prediction is an emerging perception paradigm in autonomous driving, providing a voxel-level representation of both geometric details and semantic categories. However, its effectiveness is inherently constrained in…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Hanlin Wu , Pengfei Lin , Ehsan Javanmardi , Naren Bao , Bo Qian , Hao Si , Manabu Tsukada

Semantic-aware 3D scene reconstruction is essential for autonomous robots to perform complex interactions. Semantic SLAM, an online approach, integrates pose tracking, geometric reconstruction, and semantic mapping into a unified framework,…

Robotics · Computer Science 2025-05-20 Zuxing Lu , Xin Yuan , Shaowen Yang , Jingyu Liu , Changyin Sun

This paper introduces panoptica, a versatile and performance-optimized package designed for computing instance-wise segmentation quality metrics from 2D and 3D segmentation maps. panoptica addresses the limitations of existing metrics and…

Accurate prediction of 3D semantic occupancy from 2D visual images is vital in enabling autonomous agents to comprehend their surroundings for planning and navigation. State-of-the-art methods typically employ fully supervised approaches,…

Computer Vision and Pattern Recognition · Computer Science 2025-01-10 Duc-Hai Pham , Duc-Dung Nguyen , Anh Pham , Tuan Ho , Phong Nguyen , Khoi Nguyen , Rang Nguyen

Simultaneous Localization and Mapping (SLAM) is a critical task in robotics, enabling systems to autonomously navigate and understand complex environments. Current SLAM approaches predominantly rely on geometric cues for mapping and…

Robotics · Computer Science 2025-03-28 Yongxu Wang , Xu Cao , Weiyun Yi , Zhaoxin Fan

This paper introduces SLIM-VDB, a new lightweight semantic mapping system with probabilistic semantic fusion for closed-set or open-set dictionaries. Advances in data structures from the computer graphics community, such as OpenVDB, have…

Large-scale semantic mapping is crucial for outdoor autonomous agents to fulfill high-level tasks such as planning and navigation. This paper proposes a novel method for large-scale 3D semantic reconstruction through implicit…

Computer Vision and Pattern Recognition · Computer Science 2024-03-21 Jianyuan Zhang , Zhiliu Yang , Meng Zhang

Precise 3D environmental mapping is pivotal in robotics. Existing methods often rely on predefined concepts during training or are time-intensive when generating semantic maps. This paper presents Open-Fusion, a groundbreaking approach for…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 Kashu Yamazaki , Taisei Hanyu , Khoa Vo , Thang Pham , Minh Tran , Gianfranco Doretto , Anh Nguyen , Ngan Le

Imitation learning is a prominent paradigm for robotic manipulation. However, existing visual imitation methods map 2D image observations directly to 3D action outputs, imposing a 2D-3D mismatch that hinders spatial reasoning and degrades…

Robotics · Computer Science 2026-03-19 Tianxing Zhou , Feiyang Xue , Zhangchen Ye , Tianyuan Yuan , Hang Zhao , Tao Jiang

Maintaining an up-to-date map to reflect recent changes in the scene is very important, particularly in situations involving repeated traversals by a robot operating in an environment over an extended period. Undetected changes may cause a…

Ever more robust, accurate and detailed mapping using visual sensing has proven to be an enabling factor for mobile robots across a wide variety of applications. For the next level of robot intelligence and intuitive user interaction, maps…

Computer Vision and Pattern Recognition · Computer Science 2016-09-29 John McCormac , Ankur Handa , Andrew Davison , Stefan Leutenegger

Effective scene representation is critical for the visual grounding ability of representations, yet existing methods for 3D Visual Grounding are often constrained. They either only focus on geometric and visual cues, or, like traditional 3D…

Computer Vision and Pattern Recognition · Computer Science 2025-10-15 Qinghongbing Xie , Zijian Liang , Fuhao Li , Long Zeng

In this work we propose a holistic framework for autonomous aerial inspection tasks, using semantically-aware, yet, computationally efficient planning and mapping algorithms. The system leverages state-of-the-art receding horizon…

We propose Panoptic Lifting, a novel approach for learning panoptic 3D volumetric representations from images of in-the-wild scenes. Once trained, our model can render color images together with 3D-consistent panoptic segmentation from…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Yawar Siddiqui , Lorenzo Porzi , Samuel Rota Buló , Norman Müller , Matthias Nießner , Angela Dai , Peter Kontschieder

While 2D occupancy maps commonly used in mobile robotics enable safe navigation in indoor environments, in order for robots to understand and interact with their environment and its inhabitants representing 3D geometry and semantic…

Robotics · Computer Science 2025-01-09 Krishnananda Prabhu Sivananda , Francesco Verdoja , Ville Kyrki

Real-time open-vocabulary scene understanding is essential for efficient 3D perception in applications such as vision-language navigation, embodied intelligence, and augmented reality. However, existing methods suffer from imprecise…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Xiaofeng Jin , Matteo Frosi , Matteo Matteucci

Visual navigation for autonomous agents is a core task in the fields of computer vision and robotics. Learning-based methods, such as deep reinforcement learning, have the potential to outperform the classical solutions developed for this…

Computer Vision and Pattern Recognition · Computer Science 2021-03-23 Zachary Seymour , Kowshik Thopalli , Niluthpol Mithun , Han-Pang Chiu , Supun Samarasekera , Rakesh Kumar

We present a fast, spatio-temporal scene understanding framework based on Visual Geometry Grounded Transformer (VGGT). The proposed pipeline is designed to enable efficient, close to real-time performance, supporting applications including…

Computer Vision and Pattern Recognition · Computer Science 2025-12-01 Gergely Dinya , Péter Halász , András Lőrincz , Kristóf Karacs , Anna Gelencsér-Horváth

Open-vocabulary scene understanding with online panoptic mapping is essential for embodied applications to perceive and interact with environments. However, existing methods are predominantly offline or lack instance-level understanding,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Hongjia Zhai , Qi Zhang , Xiaokun Pan , Xiyu Zhang , Yitong Dong , Huaqi Zhang , Dan Xu , Guofeng Zhang

Simultaneous mapping and localization (SLAM) in an real indoor environment is still a challenging task. Traditional SLAM approaches rely heavily on low-level geometric constraints like corners or lines, which may lead to tracking failure in…

Robotics · Computer Science 2019-10-01 Xueyang Kang , Shunying Yuan