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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

In recent years, autonomous driving has garnered escalating attention for its potential to relieve drivers' burdens and improve driving safety. Vision-based 3D occupancy prediction, which predicts the spatial occupancy status and semantics…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Yanan Zhang , Jinqing Zhang , Zengran Wang , Junhao Xu , Di Huang

3D semantic occupancy prediction is crucial for autonomous driving. While multi-modal fusion improves accuracy over vision-only methods, it typically relies on computationally expensive dense voxel or BEV tensors. We present Gau-Occ, a…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Chengxin Lv , Yihui Li , Hongyu Yang , YunHong Wang

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

Vision-based 3D occupancy prediction has made significant advancements, but its reliance on cameras alone struggles in challenging environments. This limitation has driven the adoption of sensor fusion, among which camera-radar fusion…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Chaehee Song , Sanmin Kim , Hyeonjun Jeong , Juyeb Shin , Joonhee Lim , Dongsuk Kum

Occupancy Network has recently attracted much attention in autonomous driving. Instead of monocular 3D detection and recent bird's eye view(BEV) models predicting 3D bounding box of obstacles, Occupancy Network predicts the category of…

Computer Vision and Pattern Recognition · Computer Science 2024-12-11 Mingjie Lu , Yuanxian Huang , Ji Liu , Xingliang Huang , Dong Li , Jinzhang Peng , Lu Tian , Emad Barsoum

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

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

Learning 3D scene geometry and semantics from images is a core challenge in computer vision and a key capability for autonomous driving. Since large-scale 3D annotation is prohibitively expensive, recent work explores self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2025-11-24 Adam Lilja , Ji Lan , Junsheng Fu , Lars Hammarstrand

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

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

In this work, we consider the safety-oriented performance of 3D object detectors in autonomous driving contexts. Specifically, despite impressive results shown by the mass literature, developers often find it hard to ensure the safe…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Brian Hsuan-Cheng Liao , Chih-Hong Cheng , Hasan Esen , Alois Knoll

3D Panoptic Occupancy Prediction aims to reconstruct a dense volumetric scene map by predicting the semantic class and instance identity of every occupied region in 3D space. Achieving such fine-grained 3D understanding requires precise…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Jong Wook Kim , Wonseok Roh , Ha Dam Baek , Pilhyeon Lee , Jonghyun Choi , Sangpil Kim

3D occupancy prediction is an emerging task that aims to estimate the occupancy states and semantics of 3D scenes using multi-view images. However, image-based scene perception encounters significant challenges in achieving accurate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Haiming Zhang , Xu Yan , Dongfeng Bai , Jiantao Gao , Pan Wang , Bingbing Liu , Shuguang Cui , Zhen Li

We introduce a dual contouring method that provides state-of-the-art performance for occupancy functions while achieving computation times of a few seconds. Our method is learning-free and carefully designed to maximize the use of GPU…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Jisung Hwang , Minhyuk Sung

Recent progress in self- and weakly supervised occupancy estimation has largely relied on 2D projection or rendering-based supervision, which suffers from geometric inconsistencies and severe depth bleeding. We thus introduce ShelfOcc, a…

Computer Vision and Pattern Recognition · Computer Science 2025-11-20 Simon Boeder , Fabian Gigengack , Simon Roesler , Holger Caesar , Benjamin Risse

3D environment recognition is essential for autonomous driving systems, as autonomous vehicles require a comprehensive understanding of surrounding scenes. Recently, the predominant approach to define this real-life problem is through 3D…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Huizhou Chen , Jiangyi Wang , Yuxin Li , Na Zhao , Jun Cheng , Xulei Yang

The resolution of voxel queries significantly influences the quality of view transformation in camera-based 3D occupancy prediction. However, computational constraints and the practical necessity for real-time deployment require smaller…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Gyeongrok Oh , Sungjune Kim , Heeju Ko , Hyung-gun Chi , Jinkyu Kim , Dongwook Lee , Daehyun Ji , Sungjoon Choi , Sujin Jang , Sangpil Kim

3D semantic occupancy prediction aims to forecast detailed geometric and semantic information of the surrounding environment for autonomous vehicles (AVs) using onboard surround-view cameras. Existing methods primarily focus on intricate…

Computer Vision and Pattern Recognition · Computer Science 2025-04-08 Zhenxing Ming , Julie Stephany Berrio , Mao Shan , Stewart Worrall

3D occupancy becomes a promising perception representation for autonomous driving to model the surrounding environment at a fine-grained scale. However, it remains challenging to efficiently aggregate 3D occupancy over time across multiple…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Ziyang Leng , Jiawei Yang , Wenlong Yi , Bolei Zhou