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Related papers: OccAny: Generalized Unconstrained Urban 3D Occupan…

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Dense 3D semantic occupancy perception is critical for mobile robots operating in pedestrian-rich environments, yet it remains underexplored compared to its application in autonomous driving. To address this gap, we present MobileOcc, a…

Robotics · Computer Science 2025-11-24 Junseo Kim , Guido Dumont , Xinyu Gao , Gang Chen , Holger Caesar , Javier Alonso-Mora

Semantic and panoptic occupancy prediction for road scene analysis provides a dense 3D representation of the ego vehicle's surroundings. Current camera-only approaches typically rely on costly dense 3D supervision or require training models…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Andrew Caunes , Thierry Chateau , Vincent Fremont

LiDAR-based 3D occupancy prediction evolved rapidly alongside the emergence of large datasets. Nevertheless, the potential of existing diverse datasets remains underutilized as they kick in individually. Models trained on a specific dataset…

Computer Vision and Pattern Recognition · Computer Science 2024-08-20 Zikun Xu , Jianqiang Wang , Shaobing Xu

This paper introduces a novel architecture for trajectory-conditioned forecasting of future 3D scene occupancy. In contrast to methods that rely on variational autoencoders (VAEs) to generate discrete occupancy tokens, which inherently…

Computer Vision and Pattern Recognition · Computer Science 2026-04-15 Jiayuan Du , Yiming Zhao , Zhenglong Guo , Yong Pan , Wenbo Hou , Zhihui Hao , Kun Zhan , Qijun Chen

Particle-based dynamic occupancy maps were proposed in recent years to model the obstacles in dynamic environments. Current particle-based maps describe the occupancy status in discrete grid form and suffer from the grid size problem,…

Robotics · Computer Science 2023-10-20 Gang Chen , Wei Dong , Peng Peng , Javier Alonso-Mora , Xiangyang Zhu

3D semantic occupancy prediction is an important task for robust vision-centric autonomous driving, which predicts fine-grained geometry and semantics of the surrounding scene. Most existing methods leverage dense grid-based scene…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Yuanhui Huang , Amonnut Thammatadatrakoon , Wenzhao Zheng , Yunpeng Zhang , Dalong Du , Jiwen Lu

Recent advances in 3D Gaussian Splatting (3DGS) have achieved state-of-the-art results for novel view synthesis. However, efficiently capturing high-fidelity reconstructions of specific objects within complex scenes remains a significant…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Haiyi Li , Qi Chen , Denis Kalkofen , Hsiang-Ting Chen

The 3D occupancy prediction task has witnessed remarkable progress in recent years, playing a crucial role in vision-based autonomous driving systems. While traditional methods are limited to fixed semantic categories, recent approaches…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Chi Yan , Dan Xu

3D Semantic Scene Completion (SSC) can provide dense geometric and semantic scene representations, which can be applied in the field of autonomous driving and robotic systems. It is challenging to estimate the complete geometry and…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Ruihang Miao , Weizhou Liu , Mingrui Chen , Zheng Gong , Weixin Xu , Chen Hu , Shuchang Zhou

Pedestrian detection has significantly progressed in recent years, thanks to the development of DNNs. However, detection performance at occluded scenes is still far from satisfactory, as occlusion increases the intra-class variance of…

Computer Vision and Pattern Recognition · Computer Science 2024-05-03 Shanshan Zhang , Mingqian Ji , Yang Li , Jian Yang

Crucial for autonomous exploration, online 3D occupancy prediction and mapping incrementally constructs dense spatial representations on the fly. However, recent Gaussian-centric methods struggle with structural boundary fidelity and rely…

Computer Vision and Pattern Recognition · Computer Science 2026-05-29 Ruoyu Wang , Yong Liu , Sheng Tao , Yuhang Lin , Yukai Ma

3D occupancy perception technology aims to observe and understand dense 3D environments for autonomous vehicles. Owing to its comprehensive perception capability, this technology is emerging as a trend in autonomous driving perception…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Huaiyuan Xu , Junliang Chen , Shiyu Meng , Yi Wang , Lap-Pui Chau

Occupancy estimation has become a prominent task in 3D computer vision, particularly within the autonomous driving community. In this paper, we present a novel approach to occupancy estimation, termed GaussianFlowOcc, which is inspired by…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Simon Boeder , Fabian Gigengack , Benjamin Risse

In this paper, we tackle the challenge of predicting the unseen walls of a partially observed environment as a set of 2D line segments, conditioned on occupancy grids integrated along the trajectory of a 360{\deg} LIDAR sensor. A dataset of…

Robotics · Computer Science 2024-06-14 Ludvig Ericson , Patric Jensfelt

In perception for automated vehicles, safety is critical not only for the driver but also for other agents in the scene, particularly vulnerable road users such as pedestrians and cyclists. Previous representation methods, such as Bird's…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Seamie Hayes , Ganesh Sistu , Tim Brophy , Ciaran Eising

Multi-view implicit scene reconstruction methods have become increasingly popular due to their ability to represent complex scene details. Recent efforts have been devoted to improving the representation of input information and to reducing…

Computer Vision and Pattern Recognition · Computer Science 2022-10-04 Edward J. Smith , Michal Drozdzal , Derek Nowrouzezahrai , David Meger , Adriana Romero-Soriano

Occupancy Grids have been widely used for perception of the environment as they allow to model the obstacles in the scene, as well as free and unknown space. Recently, there has been a growing interest in the unknown space due to the…

Robotics · Computer Science 2024-07-03 Víctor Jiménez-Bermejo , Jorge Godoy , Antonio Artuñedo , Jorge Villagra

We introduce a Generalizable Neural Radiance Field approach for predicting 3D workspace occupancy from egocentric robot observations. Unlike prior methods operating in camera-centric coordinates, our model constructs occupancy…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Martin Gromniak , Jan-Gerrit Habekost , Sebastian Kamp , Sven Magg , Stefan Wermter

This study introduces the 4D Risk Occupancy within a vehicle-road-cloud architecture, integrating the road surface spatial, risk, and temporal dimensions, and endowing the algorithm with beyond-line-of-sight, all-angles, and efficient…

Robotics · Computer Science 2024-08-20 Jiaxing Chen , Wei Zhong , Bolin Gao , Yifei Liu , Hengduo Zou , Jiaxi Liu , Yanbo Lu , Jin Huang , Zhihua Zhong

Generating unbounded 3D scenes is crucial for large-scale scene understanding and simulation. Urban scenes, unlike natural landscapes, consist of various complex man-made objects and structures such as roads, traffic signs, vehicles, and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Junge Zhang , Qihang Zhang , Li Zhang , Ramana Rao Kompella , Gaowen Liu , Bolei Zhou