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Accurate perception of the surrounding environment is essential for safe autonomous driving. 3D occupancy prediction, which estimates detailed 3D structures of roads, buildings, and other objects, is particularly important for…

Computer Vision and Pattern Recognition · Computer Science 2025-12-24 Chihiro Noguchi , Takaki Yamamoto

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

Accurate and realistic 3D scene reconstruction enables the lifelike creation of autonomous driving simulation environments. With advancements in 3D Gaussian Splatting (3DGS), previous studies have applied it to reconstruct complex dynamic…

Computer Vision and Pattern Recognition · Computer Science 2025-02-21 Yedong Shen , Xinran Zhang , Yifan Duan , Shiqi Zhang , Heng Li , Yilong Wu , Jianmin Ji , Yanyong Zhang

Obtaining high-quality 3D semantic occupancy from raw sensor data remains an essential yet challenging task, often requiring extensive manual labeling. In this work, we propose AutoOcc, a vision-centric automated pipeline for open-ended…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Xiaoyu Zhou , Jingqi Wang , Yongtao Wang , Yufei Wei , Nan Dong , Ming-Hsuan Yang

We introduce ET-Former, a novel end-to-end algorithm for semantic scene completion using a single monocular camera. Our approach generates a semantic occupancy map from single RGB observation while simultaneously providing uncertainty…

Computer Vision and Pattern Recognition · Computer Science 2025-03-04 Jing Liang , He Yin , Xuewei Qi , Jong Jin Park , Min Sun , Rajasimman Madhivanan , Dinesh Manocha

Existing solutions for 3D semantic occupancy prediction typically treat the task as a one-shot 3D voxel-wise segmentation perception problem. These discriminative methods focus on learning the mapping between the inputs and occupancy map in…

Computer Vision and Pattern Recognition · Computer Science 2024-04-24 Guoqing Wang , Zhongdao Wang , Pin Tang , Jilai Zheng , Xiangxuan Ren , Bailan Feng , Chao Ma

Weakly-supervised 3D occupancy perception is crucial for vision-based autonomous driving in outdoor environments. Previous methods based on NeRF often face a challenge in balancing the number of samples used. Too many samples can decrease…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Qianpu Sun , Changyong Shu , Sifan Zhou , Runxi Cheng , Yongxian Wei , Zichen Yu , Dawei Yang , Sirui Han , Yuan Chun

In the realm of autonomous driving, accurately detecting surrounding obstacles is crucial for effective decision-making. Traditional methods primarily rely on 3D bounding boxes to represent these obstacles, which often fail to capture the…

Robotics · Computer Science 2025-11-18 Chunyong Hu , Qi Luo , Jianyun Xu , Song Wang , Qiang Li , Sheng Yang

3D occupancy prediction based on multi-sensor fusion,crucial for a reliable autonomous driving system, enables fine-grained understanding of 3D scenes. Previous fusion-based 3D occupancy predictions relied on depth estimation for processing…

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

Forecasting future scenarios in dynamic environments is essential for intelligent decision-making and navigation, a challenge yet to be fully realized in computer vision and robotics. Traditional approaches like video prediction and…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Boming Zhao , Yuan Li , Ziyu Sun , Lin Zeng , Yujun Shen , Rui Ma , Yinda Zhang , Hujun Bao , Zhaopeng Cui

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

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

Localization and mapping are critical tasks for various applications such as autonomous vehicles and robotics. The challenges posed by outdoor environments present particular complexities due to their unbounded characteristics. In this…

Robotics · Computer Science 2024-04-08 Chenyang Wu , Yifan Duan , Xinran Zhang , Yu Sheng , Jianmin Ji , Yanyong Zhang

Embodied 3D Semantic Scene Completion (SSC) infers dense geometry and semantics from continuous egocentric observations. Most existing Gaussian-based methods rely on random initialization of many primitives within predefined spatial bounds,…

Computer Vision and Pattern Recognition · Computer Science 2025-12-02 Rui Qian , Haozhi Cao , Tianchen Deng , Tianxin Hu , Weixiang Guo , Shenghai Yuan , Lihua Xie

3D occupancy prediction enables the robots to obtain spatial fine-grained geometry and semantics of the surrounding scene, and has become an essential task for embodied perception. Existing methods based on 3D Gaussians instead of dense…

Robotics · Computer Science 2025-04-22 Zhang Zhang , Qiang Zhang , Wei Cui , Shuai Shi , Yijie Guo , Gang Han , Wen Zhao , Hengle Ren , Renjing Xu , Jian Tang

Understanding open-vocabulary 3D scenes with Gaussian-based representations remains challenging due to fragmented and spatially inconsistent semantic predictions across multi-view observations. In this paper, we present OpenGaFF, a novel…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Kunyi Li , Michael Niemeyer , Sen Wang , Stefano Gasperini , Nassir Navab , Federico Tombari

Open-vocabulary scene understanding is crucial for robotic applications, enabling robots to comprehend complex 3D environmental contexts and supporting various downstream tasks such as navigation and manipulation. However, existing methods…

The prediction of 3D semantic occupancy enables autonomous vehicles (AVs) to perceive the fine-grained geometric and semantic scene structure for safe navigation and decision-making. Existing methods mainly rely on either voxel-based…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Zhenxing Ming , Yaoqi Huang , Julie Stephany Berrio , Mao Shan , Stewart Worrall

Occupancy prediction plays a pivotal role in autonomous driving (AD) due to the fine-grained geometric perception and general object recognition capabilities. However, existing methods often incur high computational costs, which contradicts…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Yulin He , Wei Chen , Tianci Xun , Yusong Tan

Collaborative perception in automated vehicles leverages the exchange of information between agents, aiming to elevate perception results. Previous camera-based collaborative 3D perception methods typically employ 3D bounding boxes or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-26 Rui Song , Chenwei Liang , Hu Cao , Zhiran Yan , Walter Zimmer , Markus Gross , Andreas Festag , Alois Knoll