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Semantic occupancy perception is essential for autonomous driving, as automated vehicles require a fine-grained perception of the 3D urban structures. However, existing relevant benchmarks lack diversity in urban scenes, and they only…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Xiaofeng Wang , Zheng Zhu , Wenbo Xu , Yunpeng Zhang , Yi Wei , Xu Chi , Yun Ye , Dalong Du , Jiwen Lu , Xingang Wang

3D semantic occupancy prediction is crucial for autonomous driving perception, offering comprehensive geometric scene understanding and semantic recognition. However, existing methods struggle with geometric misalignment in view…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Xubo Zhu , Haoyang Zhang , Fei He , Rui Wu , Yanhu Shan , Wen Yang , Huai Yu

Existing vision-based 3D occupancy prediction methods are inherently limited in accuracy due to their exclusive reliance on street-view imagery, neglecting the potential benefits of incorporating satellite views. We propose SA-Occ, the…

Computer Vision and Pattern Recognition · Computer Science 2025-03-21 Chen Chen , Zhirui Wang , Taowei Sheng , Yi Jiang , Yundu Li , Peirui Cheng , Luning Zhang , Kaiqiang Chen , Yanfeng Hu , Xue Yang , Xian Sun

3D occupancy prediction plays a pivotal role in the realm of autonomous driving, as it provides a comprehensive understanding of the driving environment. Most existing methods construct dense scene representations for occupancy prediction,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-20 Zichen Yu , Quanli Liu , Wei Wang , Liyong Zhang , Xiaoguang Zhao

Camera-based occupancy prediction is a mainstream approach for 3D perception in autonomous driving, aiming to infer complete 3D scene geometry and semantics from 2D images. Almost existing methods focus on improving performance through…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Rongtao Xu , Jinzhou Lin , Jialei Zhou , Jiahua Dong , Changwei Wang , Ruisheng Wang , Li Guo , Shibiao Xu , Xiaodan Liang

Multi-sensor fusion significantly enhances the accuracy and robustness of 3D semantic occupancy prediction, which is crucial for autonomous driving and robotics. However, most existing approaches depend on high-resolution images and complex…

Computer Vision and Pattern Recognition · Computer Science 2025-09-24 Zhen Yang , Yanpeng Dong , Jiayu Wang , Heng Wang , Lichao Ma , Zijian Cui , Qi Liu , Haoran Pei , Kexin Zhang , Chao Zhang

Environment prediction frameworks are critical for the safe navigation of autonomous vehicles (AVs) in dynamic settings. LiDAR-generated occupancy grid maps (L-OGMs) offer a robust bird's-eye view for the scene representation, enabling…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Bernard Lange , Masha Itkina , Jiachen Li , Mykel J. Kochenderfer

3D semantic occupancy prediction is an essential part of autonomous driving, focusing on capturing the geometric details of scenes. Off-road environments are rich in geometric information, therefore it is suitable for 3D semantic occupancy…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Heng Zhai , Jilin Mei , Chen Min , Liang Chen , Fangzhou Zhao , Yu Hu

Semantic segmentation in autonomous driving has been undergoing an evolution from sparse point segmentation to dense voxel segmentation, where the objective is to predict the semantic occupancy of each voxel in the concerned 3D space. The…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Sicheng Zuo , Wenzhao Zheng , Yuanhui Huang , Jie Zhou , Jiwen Lu

Autonomous driving in complex urban scenarios requires 3D perception to be both comprehensive and precise. Traditional 3D perception methods focus on object detection, resulting in sparse representations that lack environmental detail.…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Chao Chen , Ruoyu Wang , Yuliang Guo , Cheng Zhao , Xinyu Huang , Chen Feng , Liu Ren

Environment prediction frameworks are integral for autonomous vehicles, enabling safe navigation in dynamic environments. LiDAR generated occupancy grid maps (L-OGMs) offer a robust bird's eye-view scene representation that facilitates…

Robotics · Computer Science 2025-10-20 Bernard Lange , Masha Itkina , Mykel J. Kochenderfer

Multimodal 3D occupancy prediction has garnered significant attention for its potential in autonomous driving. However, most existing approaches are single-modality: camera-based methods lack depth information, while LiDAR-based methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-24 Zaipeng Duan , Chenxu Dang , Xuzhong Hu , Pei An , Junfeng Ding , Jie Zhan , Yunbiao Xu , Jie Ma

This paper introduces VLMFusionOcc3D, a robust multimodal framework for dense 3D semantic occupancy prediction in autonomous driving. Current voxel-based occupancy models often struggle with semantic ambiguity in sparse geometric grids and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 A. Enes Doruk , Hasan F. Ates

Monocular 3D occupancy prediction, aiming to predict the occupancy and semantics within interesting regions of 3D scenes from only 2D images, has garnered increasing attention recently for its vital role in 3D scene understanding.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-11 Xu Zhao , Pengju Zhang , Bo Liu , Yihong Wu

3D occupancy prediction provides a comprehensive description of the surrounding scenes and has become an essential task for 3D perception. Most existing methods focus on offline perception from one or a few views and cannot be applied to…

Computer Vision and Pattern Recognition · Computer Science 2025-08-26 Yuqi Wu , Wenzhao Zheng , Sicheng Zuo , Yuanhui Huang , Jie Zhou , Jiwen Lu

Accurate perception of the dynamic environment is a fundamental task for autonomous driving and robot systems. This paper introduces Let Occ Flow, the first self-supervised work for joint 3D occupancy and occupancy flow prediction using…

Computer Vision and Pattern Recognition · Computer Science 2024-10-10 Yili Liu , Linzhan Mou , Xuan Yu , Chenrui Han , Sitong Mao , Rong Xiong , Yue Wang

Robotic perception requires the modeling of both 3D geometry and semantics. Existing methods typically focus on estimating 3D bounding boxes, neglecting finer geometric details and struggling to handle general, out-of-vocabulary objects. 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-12-14 Xiaoyu Tian , Tao Jiang , Longfei Yun , Yucheng Mao , Huitong Yang , Yue Wang , Yilun Wang , Hang Zhao

In this technical report, we present our solution for the Vision-Centric 3D Occupancy and Flow Prediction track in the nuScenes Open-Occ Dataset Challenge at CVPR 2024. Our innovative approach involves a dual-stage framework that enhances…

Computer Vision and Pattern Recognition · Computer Science 2024-07-02 Dubing Chen , Wencheng Han , Jin Fang , Jianbing Shen

Developing 3D semantic occupancy prediction models often relies on dense 3D annotations for supervised learning, a process that is both labor and resource-intensive, underscoring the need for label-efficient or even label-free approaches.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Samuel Sze , Daniele De Martini , Lars Kunze

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