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3D semantic occupancy and flow prediction are fundamental to spatiotemporal scene understanding. This paper proposes a vision-based framework with three targeted improvements. First, we introduce an occlusion-aware adaptive lifting…

Computer Vision and Pattern Recognition · Computer Science 2025-09-11 Dubing Chen , Jin Fang , Wencheng Han , Xinjing Cheng , Junbo Yin , Chenzhong Xu , Fahad Shahbaz Khan , Jianbing Shen

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

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

Panoptic occupancy prediction aims to jointly infer voxel-wise semantics and instance identities within a unified 3D scene representation. Nevertheless, progress in this field remains constrained by the absence of high-quality 3D mesh…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Yi Feng , Junwu E , Zizhan Guo , Yu Ma , Hanli Wang , Rui Fan

Semantic occupancy prediction enables dense 3D geometric and semantic understanding for autonomous driving. However, existing camera-based approaches implicitly assume complete surround-view observations, an assumption that rarely holds in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-11 Kaixin Lin , Kunyu Peng , Di Wen , Yufan Chen , Ruiping Liu , Kailun Yang

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

The safe operation of autonomous vehicles (AVs) is highly dependent on their understanding of the surroundings. For this, the task of 3D semantic occupancy prediction divides the space around the sensors into voxels, and labels each voxel…

Computer Vision and Pattern Recognition · Computer Science 2025-05-07 Zhenxing Ming , Julie Stephany Berrio , Mao Shan , Yaoqi Huang , Hongyu Lyu , Nguyen Hoang Khoi Tran , Tzu-Yun Tseng , Stewart Worrall

Accurate 3D perception is essential for understanding the environment in autonomous driving. Recent advancements in 3D semantic occupancy prediction have leveraged camera-LiDAR fusion to improve robustness and accuracy. However, current…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Minjae Seong , Jisong Kim , Geonho Bang , Hawook Jeong , Jun Won Choi

3D semantic occupancy prediction is a crucial task in visual perception, as it requires the simultaneous comprehension of both scene geometry and semantics. It plays a crucial role in understanding 3D scenes and has great potential for…

Computer Vision and Pattern Recognition · Computer Science 2025-01-29 Jianing Li , Ming Lu , Hao Wang , Chenyang Gu , Wenzhao Zheng , Li Du , Shanghang Zhang

The performance of multi-modal 3D occupancy prediction is limited by ineffective fusion, mainly due to geometry-semantics mismatch from fixed fusion strategies and surface detail loss caused by sparse, noisy annotations. The mismatch stems…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Luyao Lei , Shuo Xu , Yifan Bai , Xing Wei

3D semantic occupancy prediction is crucial for finely representing the surrounding environment, which is essential for ensuring the safety in autonomous driving. Existing fusion-based occupancy methods typically involve performing a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-07 Ji Zhang , Yiran Ding , Zixin Liu

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

Occupancy prediction reconstructs 3D structures of surrounding environments. It provides detailed information for autonomous driving planning and navigation. However, most existing methods heavily rely on the LiDAR point clouds to generate…

Computer Vision and Pattern Recognition · Computer Science 2024-08-22 Chubin Zhang , Juncheng Yan , Yi Wei , Jiaxin Li , Li Liu , Yansong Tang , Yueqi Duan , Jiwen Lu

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

Efficient and high-accuracy 3D occupancy prediction is vital for the performance of autonomous driving systems. However, existing methods struggle to balance precision and efficiency: high-accuracy approaches are often hindered by heavy…

Computer Vision and Pattern Recognition · Computer Science 2026-03-02 Yuchen Zhou , Yan Luo , Xiaogang Wang , Xingjian Gu , Mingzhou Lu , Xiangbo Shu

Robust 3D semantic occupancy is crucial for legged/humanoid robots, yet most semantic scene completion (SSC) systems target wheeled platforms with forward-facing sensors. We present OneOcc, a vision-only panoramic SSC framework designed for…

Robotics · Computer Science 2026-03-17 Hao Shi , Ze Wang , Shangwei Guo , Mengfei Duan , Song Wang , Teng Chen , Kailun Yang , Lin Wang , Kaiwei Wang

3D semantic occupancy prediction requires accurate 2D-to-3D feature lifting, yet current methods restrict camera geometry to initial projections. Subsequent operations like offset learning, attention weighting, and cross-camera aggregation…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Xun Chen , Tianchen Deng , Rui Wang , Fangjinhua Wang , Junyi Ma , Hongming Shen , Hesheng Wang , Danwei Wang

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

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

Given the capability of mitigating the long-tail deficiencies and intricate-shaped absence prevalent in 3D object detection, occupancy prediction has become a pivotal component in autonomous driving systems. However, the procession of…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Zichen Yu , Changyong Shu , Jiajun Deng , Kangjie Lu , Zongdai Liu , Jiangyong Yu , Dawei Yang , Hui Li , Yan Chen