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Related papers: Co-Occ: Coupling Explicit Feature Fusion with Volu…

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Vision-based 3D semantic occupancy prediction is a critical task in 3D vision that integrates volumetric 3D reconstruction with semantic understanding. Existing methods, however, often rely on modular pipelines. These modules are typically…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Dubing Chen , Huan Zheng , Yucheng Zhou , Xianfei Li , Wenlong Liao , Tao He , Pai Peng , Jianbing Shen

Perceiving the world as 3D occupancy supports embodied agents to avoid collision with any types of obstacle. While open-vocabulary image understanding has prospered recently, how to bind the predicted 3D occupancy grids with open-world…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jilai Zheng , Pin Tang , Zhongdao Wang , Guoqing Wang , Xiangxuan Ren , Bailan Feng , Chao Ma

LiDAR and camera are two modalities available for 3D semantic segmentation in autonomous driving. The popular LiDAR-only methods severely suffer from inferior segmentation on small and distant objects due to insufficient laser points, while…

Computer Vision and Pattern Recognition · Computer Science 2023-03-16 Jiale Li , Hang Dai , Hao Han , Yong Ding

In this report, we present the 4th place solution for CVPR 2023 3D occupancy prediction challenge. We propose a simple method called Multi-Scale Occ for occupancy prediction based on lift-splat-shoot framework, which introduces multi-scale…

Computer Vision and Pattern Recognition · Computer Science 2023-06-21 Yangyang Ding , Luying Huang , Jiachen Zhong

An automated vehicle operating in an urban environment must be able to perceive and recognise object/obstacles in a three-dimensional world while navigating in a constantly changing environment. In order to plan and execute accurate…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Julie Stephany Berrio , Mao Shan , Stewart Worrall , Eduardo Nebot

Combining LiDAR and Camera-view data has become a common approach for 3D Object Detection. However, previous approaches combine the two input streams at a point-level, throwing away semantic information derived from camera features. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Pranav Gupta , Rishabh Rengarajan , Viren Bankapur , Vedansh Mannem , Lakshit Ahuja , Surya Vijay , Kevin Wang

Reliable pose estimation in previously unseen environments is a fundamental capability of autonomous systems. Existing LiDAR odometry methods typically employ point-, surfel-, or NDT-based map representations, which are distinct from the…

Robotics · Computer Science 2026-05-15 Johannes Scherer , Sebastian Hirt , Henri Meeß

Camera-based 3D Semantic Scene Completion (SSC) is a critical task for autonomous driving and robotic scene understanding. It aims to infer a complete 3D volumetric representation of both semantics and geometry from a single image. Existing…

Computer Vision and Pattern Recognition · Computer Science 2026-04-07 Zaidao Han , Risa Higashita , Jiang Liu

In this paper, we propose a new deep architecture for fusing camera and LiDAR sensors for 3D object detection. Because the camera and LiDAR sensor signals have different characteristics and distributions, fusing these two modalities is…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Jin Hyeok Yoo , Yecheol Kim , Jisong Kim , Jun Won Choi

Occupancy prediction has increasingly garnered attention in recent years for its fine-grained understanding of 3D scenes. Traditional approaches typically rely on dense, regular grid representations, which often leads to excessive…

Computer Vision and Pattern Recognition · Computer Science 2024-03-20 Yuhang Lu , Xinge Zhu , Tai Wang , Yuexin Ma

Vision-based 3D Semantic Scene Completion (SSC) has received growing attention due to its potential in autonomous driving. While most existing approaches follow an ego-centric paradigm by aggregating and diffusing features over the entire…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Weihua Wang , Yubo Cui , Xiangru Lin , Zhiheng Li , Zheng Fang

Reliable, drift-free global localization presents significant challenges yet remains crucial for autonomous navigation in large-scale dynamic environments. In this paper, we introduce a tightly-coupled Semantic-LiDAR-Inertial-Wheel Odometry…

Robotics · Computer Science 2025-09-19 Haoxuan Jiang , Peicong Qian , Yusen Xie , Linwei Zheng , Xiaocong Li , Ming Liu , Jun Ma

Panoptic occupancy poses a novel challenge by aiming to integrate instance occupancy and semantic occupancy within a unified framework. However, there is still a lack of efficient solutions for panoptic occupancy. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2024-10-25 Zichen Yu , Changyong Shu , Qianpu Sun , Yifan Bian , Xiaobao Wei , Jiangyong Yu , Zongdai Liu , Dawei Yang , Hui Li , Yan Chen

Understanding and modeling the 3D scene from a single image is a practical problem. A recent advance proposes a panoptic 3D scene reconstruction task that performs both 3D reconstruction and 3D panoptic segmentation from a single image.…

Computer Vision and Pattern Recognition · Computer Science 2024-01-17 Tao Chu , Pan Zhang , Qiong Liu , Jiaqi Wang

While 3D object bounding box (bbox) representation has been widely used in autonomous driving perception, it lacks the ability to capture the precise details of an object's intrinsic geometry. Recently, occupancy has emerged as a promising…

Computer Vision and Pattern Recognition · Computer Science 2024-12-09 Chaoda Zheng , Feng Wang , Naiyan Wang , Shuguang Cui , Zhen Li

Large Language Models (LLMs) have made substantial advancements in the field of robotic and autonomous driving. This study presents the first Occupancy-based Large Language Model (Occ-LLM), which represents a pioneering effort to integrate…

Robotics · Computer Science 2025-02-11 Tianshuo Xu , Hao Lu , Xu Yan , Yingjie Cai , Bingbing Liu , Yingcong Chen

Accurate 3D scene understanding is essential for embodied intelligence, with occupancy prediction emerging as a key task for reasoning about both objects and free space. Existing approaches largely rely on depth priors (e.g., DepthAnything)…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Changqing Zhou , Yueru Luo , Changhao Chen

Camera-based 3D Semantic Occupancy Prediction (SOP) is crucial for understanding complex 3D scenes from limited 2D image observations. Existing SOP methods typically aggregate contextual features to assist the occupancy representation…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Bohan Li , Jiajun Deng , Yasheng Sun , Xiaofeng Wang , Xin Jin , Wenjun Zeng

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

We introduce UniOcc, a comprehensive, unified benchmark and toolkit for occupancy forecasting (i.e., predicting future occupancies based on historical information) and occupancy prediction (i.e., predicting current-frame occupancy from…

Computer Vision and Pattern Recognition · Computer Science 2025-08-15 Yuping Wang , Xiangyu Huang , Xiaokang Sun , Mingxuan Yan , Shuo Xing , Zhengzhong Tu , Jiachen Li