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Related papers: FreeOcc: Training-free Panoptic Occupancy Predicti…

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Training a 3D scene understanding model requires complicated human annotations, which are laborious to collect and result in a model only encoding close-set object semantics. In contrast, vision-language pre-training models (e.g., CLIP)…

Computer Vision and Pattern Recognition · Computer Science 2023-03-17 Junbo Zhang , Runpei Dong , Kaisheng Ma

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

Reliably predicting future occupancy of highly dynamic urban environments is an important precursor for safe autonomous navigation. Common challenges in the prediction include forecasting the relative position of other vehicles, modelling…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Khushdeep Singh Mann , Abhishek Tomy , Anshul Paigwar , Alessandro Renzaglia , Christian Laugier

The task of estimating 3D occupancy from surrounding-view images is an exciting development in the field of autonomous driving, following the success of Bird's Eye View (BEV) perception. This task provides crucial 3D attributes of the…

Computer Vision and Pattern Recognition · Computer Science 2023-11-20 Wanshui Gan , Ningkai Mo , Hongbin Xu , Naoto Yokoya

In NeRF, a critical problem is to effectively estimate the occupancy to guide empty-space skipping and point sampling. Grid-based methods work well for small-scale scenes. However, on large-scale scenes, they are limited by predefined…

Computer Vision and Pattern Recognition · Computer Science 2024-11-19 Zhenxing Mi , Dan Xu

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

Relying on in-domain annotations and precise sensor-rig priors, existing 3D occupancy prediction methods are limited in both scalability and out-of-domain generalization. While recent visual geometry foundation models exhibit strong…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Anh-Quan Cao , Tuan-Hung Vu

Autonomous vehicles commonly rely on highly detailed birds-eye-view maps of their environment, which capture both static elements of the scene such as road layout as well as dynamic elements such as other cars and pedestrians. Generating…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Thomas Roddick , Roberto Cipolla

Autonomous driving has the potential to significantly enhance productivity and provide numerous societal benefits. Ensuring robustness in these safety-critical systems is essential, particularly when vehicles must navigate adverse weather…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Severin Heidrich , Till Beemelmanns , Alexey Nekrasov , Bastian Leibe , Lutz Eckstein

A real-time semantic 3D occupancy mapping framework is proposed in this paper. The mapping framework is based on the Bayesian kernel inference strategy from the literature. Two novel free space representations are proposed to efficiently…

Robotics · Computer Science 2021-07-08 Yuanxin Zhong , Huei Peng

Understanding how the 3D scene evolves is vital for making decisions in autonomous driving. Most existing methods achieve this by predicting the movements of object boxes, which cannot capture more fine-grained scene information. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-11-28 Wenzhao Zheng , Weiliang Chen , Yuanhui Huang , Borui Zhang , Yueqi Duan , Jiwen Lu

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

The field of autonomous driving is experiencing a surge of interest in world models, which aim to predict potential future scenarios based on historical observations. In this paper, we introduce DFIT-OccWorld, an efficient 3D occupancy…

Computer Vision and Pattern Recognition · Computer Science 2024-12-19 Haiming Zhang , Ying Xue , Xu Yan , Jiacheng Zhang , Weichao Qiu , Dongfeng Bai , Bingbing Liu , Shuguang Cui , Zhen Li

Driven by autonomous driving's demands for precise 3D perception, 3D semantic occupancy prediction has become a pivotal research topic. Unlike bird's-eye-view (BEV) methods, which restrict scene representation to a 2D plane, occupancy…

Computer Vision and Pattern Recognition · Computer Science 2025-09-05 Han Huang , Han Sun , Ningzhong Liu , Huiyu Zhou , Jiaquan Shen

Accurately predicting 3D occupancy grids from visual inputs is critical for autonomous driving, but current discriminative methods struggle with noisy data, incomplete observations, and the complex structures inherent in 3D scenes. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-07-04 Yunshen Wang , Yicheng Liu , Tianyuan Yuan , Yingshi Liang , Xiuyu Yang , Honggang Zhang , Hang Zhao

Occupancy prediction infers fine-grained 3D geometry and semantics from camera images of the surrounding environment, making it a critical perception task for autonomous driving. Existing methods either adopt dense grids as scene…

Computer Vision and Pattern Recognition · Computer Science 2025-06-13 Yunxiao Shi , Yinhao Zhu , Shizhong Han , Jisoo Jeong , Amin Ansari , Hong Cai , Fatih Porikli

In autonomous navigation of mobile robots, sensors suffer from massive occlusion in cluttered environments, leaving significant amount of space unknown during planning. In practice, treating the unknown space in optimistic or pessimistic…

Robotics · Computer Science 2021-03-30 Lizi Wang , Hongkai Ye , Qianhao Wang , Yuman Gao , Chao Xu , Fei Gao

Addressing the task of 3D semantic occupancy prediction for autonomous driving, we tackle two key issues in existing 3D Gaussian Splatting (3DGS) methods: (1) unified feature aggregation neglecting semantic correlations among similar…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Ke Song , Yunhe Wu , Chunchit Siu , Huiyuan Xiong

Inferring the 3D structure from a single image, particularly in occluded regions, remains a fundamental yet unsolved challenge in vision-centric autonomous driving. Existing unsupervised approaches typically train a neural radiance field…

Computer Vision and Pattern Recognition · Computer Science 2026-02-09 Zizhan Guo , Yi Feng , Mengtan Zhang , Haoran Zhang , Wei Ye , Rui Fan

The vision-based perception for autonomous driving has undergone a transformation from the bird-eye-view (BEV) representations to the 3D semantic occupancy. Compared with the BEV planes, the 3D semantic occupancy further provides structural…

Computer Vision and Pattern Recognition · Computer Science 2023-04-12 Yunpeng Zhang , Zheng Zhu , Dalong Du