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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

Occupancy is crucial for autonomous driving, providing essential geometric priors for perception and planning. However, existing methods predominantly rely on LiDAR-based occupancy annotations, which limits scalability and prevents…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Baijun Ye , Minghui Qin , Saining Zhang , Moonjun Gong , Shaoting Zhu , Zebang Shen , Luan Zhang , Lu Zhang , Hao Zhao , Hang Zhao

3D object detection is essential for autonomous driving and robotic perception, yet its reliance on large-scale manually annotated data limits scalability and adaptability. To reduce annotation dependency, unsupervised and…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Yushen He , Lei Zhao , Weidong Chen

3D semantic occupancy prediction, which seeks to provide accurate and comprehensive representations of environment scenes, is important to autonomous driving systems. For autonomous cars equipped with multi-camera and LiDAR, it is critical…

Computer Vision and Pattern Recognition · Computer Science 2024-11-20 Zhuangwei Zhuang , Ziyin Wang , Sitao Chen , Lizhao Liu , Hui Luo , Mingkui Tan

Learning to build 3D scene graphs is essential for real-world perception in a structured and rich fashion. However, previous 3D scene graph generation methods utilize a fully supervised learning manner and require a large amount of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-04 Xu Wang , Yifan Li , Qiudan Zhang , Wenhui Wu , Mark Junjie Li , Jianmin Jinag

Occupancy prediction has garnered increasing attention in recent years for its comprehensive fine-grained environmental representation and strong generalization to open-set objects. However, cumbersome voxel features and 3D convolution…

Computer Vision and Pattern Recognition · Computer Science 2024-12-10 Jinqing Zhang , Yanan Zhang , Qingjie Liu , Yunhong Wang

3D occupancy-based perception pipeline has significantly advanced autonomous driving by capturing detailed scene descriptions and demonstrating strong generalizability across various object categories and shapes. Current methods…

Computer Vision and Pattern Recognition · Computer Science 2024-10-29 Fangqiang Ding , Xiangyu Wen , Yunzhou Zhu , Yiming Li , Chris Xiaoxuan Lu

Perceiving the world and forecasting its future state is a critical task for self-driving. Supervised approaches leverage annotated object labels to learn a model of the world -- traditionally with object detections and trajectory…

Computer Vision and Pattern Recognition · Computer Science 2024-06-14 Ben Agro , Quinlan Sykora , Sergio Casas , Thomas Gilles , Raquel Urtasun

The 3D occupancy estimation task has become an important challenge in the area of vision-based autonomous driving recently. However, most existing camera-based methods rely on costly 3D voxel labels or LiDAR scans for training, limiting…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Simon Boeder , Fabian Gigengack , Benjamin Risse

Autonomous driving requires robust perception across diverse environmental conditions, yet 3D semantic occupancy prediction remains challenging under adverse weather and lighting. In this work, we present the first study combining 4D radar…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 David Ninfa , Andras Palffy , Holger Caesar

Autonomous driving perception faces significant challenges due to occlusions and incomplete scene data in the environment. To overcome these issues, the task of semantic occupancy prediction (SOP) is proposed, which aims to jointly infer…

Computer Vision and Pattern Recognition · Computer Science 2025-08-14 Helin Cao , Sven Behnke

Estimating 3D occupancy and motion at the vehicle's surroundings is essential for autonomous driving, enabling situational awareness in dynamic environments. Existing approaches jointly learn geometry and motion but rely on expensive 3D…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Xavier Timoneda , Markus Herb , Fabian Duerr , Daniel Goehring

As a novel 3D scene representation, semantic occupancy has gained much attention in autonomous driving. However, existing occupancy prediction methods mainly focus on designing better occupancy representations, such as tri-perspective view…

Computer Vision and Pattern Recognition · Computer Science 2024-10-16 Zhiwei Lin , Hongbo Jin , Yongtao Wang , Yufei Wei , Nan Dong

The advancement of autonomous driving is increasingly reliant on high-quality annotated datasets, especially in the task of 3D occupancy prediction, where the occupancy labels require dense 3D annotation with significant human effort. In…

Computer Vision and Pattern Recognition · Computer Science 2024-10-02 Leheng Li , Weichao Qiu , Yingjie Cai , Xu Yan , Qing Lian , Bingbing Liu , Ying-Cong Chen

In this technical report, we present our solution, named UniOCC, for the Vision-Centric 3D occupancy prediction track in the nuScenes Open Dataset Challenge at CVPR 2023. Existing methods for occupancy prediction primarily focus on…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Mingjie Pan , Li Liu , Jiaming Liu , Peixiang Huang , Longlong Wang , Shanghang Zhang , Shaoqing Xu , Zhiyi Lai , Kuiyuan Yang

3D semantic occupancy prediction is crucial for autonomous driving, providing a dense, semantically rich environmental representation. However, existing methods focus on in-distribution scenes, making them susceptible to Out-of-Distribution…

Computer Vision and Pattern Recognition · Computer Science 2026-01-13 Yuheng Zhang , Mengfei Duan , Kunyu Peng , Yuhang Wang , Ruiping Liu , Fei Teng , Kai Luo , Zhiyong Li , Kailun Yang

Human driver can easily describe the complex traffic scene by visual system. Such an ability of precise perception is essential for driver's planning. To achieve this, a geometry-aware representation that quantizes the physical 3D scene…

Computer Vision and Pattern Recognition · Computer Science 2023-06-27 Chonghao Sima , Wenwen Tong , Tai Wang , Li Chen , Silei Wu , Hanming Deng , Yi Gu , Lewei Lu , Ping Luo , Dahua Lin , Hongyang Li

Semantic scene understanding is crucial for robotics and computer vision applications. In autonomous driving, 3D semantic segmentation plays an important role for enabling safe navigation. Despite significant advances in the field, the…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Lucas Nunes , Rodrigo Marcuzzi , Jens Behley , Cyrill Stachniss

Occlusion presents a significant challenge for safety-critical applications such as autonomous driving. Collaborative perception has recently attracted a large research interest thanks to the ability to enhance the perception of autonomous…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Minh-Quan Dao , Holger Caesar , Julie Stephany Berrio , Mao Shan , Stewart Worrall , Vincent Frémont , Ezio Malis

Accurate 3D object detection in real-world environments requires a huge amount of annotated data with high quality. Acquiring such data is tedious and expensive, and often needs repeated effort when a new sensor is adopted or when the…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Jinsu Yoo , Zhenyang Feng , Tai-Yu Pan , Yihong Sun , Cheng Perng Phoo , Xiangyu Chen , Mark Campbell , Kilian Q. Weinberger , Bharath Hariharan , Wei-Lun Chao