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RGBD-based real-time dynamic 3D reconstruction suffers from inaccurate inter-frame motion estimation as errors may accumulate with online tracking. This problem is even more severe for single-view-based systems due to strong occlusions.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Wenbin Lin , Chengwei Zheng , Jun-Hai Yong , Feng Xu

Camera-based occupancy prediction is a mainstream approach for 3D perception in autonomous driving, aiming to infer complete 3D scene geometry and semantics from 2D images. Almost existing methods focus on improving performance through…

Computer Vision and Pattern Recognition · Computer Science 2025-10-16 Rongtao Xu , Jinzhou Lin , Jialei Zhou , Jiahua Dong , Changwei Wang , Ruisheng Wang , Li Guo , Shibiao Xu , Xiaodan Liang

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

Predicting variations in complex traffic environments is crucial for the safety of autonomous driving. Recent advancements in occupancy forecasting have enabled forecasting future 3D occupied status in driving environments by observing…

Computer Vision and Pattern Recognition · Computer Science 2025-02-24 Junliang Chen , Huaiyuan Xu , Yi Wang , Lap-Pui Chau

3D instance segmentation, with a variety of applications in robotics and augmented reality, is in large demands these days. Unlike 2D images that are projective observations of the environment, 3D models provide metric reconstruction of the…

Computer Vision and Pattern Recognition · Computer Science 2020-04-29 Lei Han , Tian Zheng , Lan Xu , Lu Fang

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

3D semantic occupancy prediction is a pivotal task in the field of autonomous driving. Recent approaches have made great advances in 3D semantic occupancy predictions on a single modality. However, multi-modal semantic occupancy prediction…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Jingyi Pan , Zipeng Wang , Lin Wang

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

3D occupancy prediction is an important task for the robustness of vision-centric autonomous driving, which aims to predict whether each point is occupied in the surrounding 3D space. Existing methods usually require 3D occupancy labels to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Yuanhui Huang , Wenzhao Zheng , Borui Zhang , Jie Zhou , Jiwen Lu

Collaborative visual perception methods have gained widespread attention in the autonomous driving community in recent years due to their ability to address sensor limitation problems. However, the absence of explicit depth information…

Computer Vision and Pattern Recognition · Computer Science 2025-10-10 Shaohong Wang , Bin Lu , Xinyu Xiao , Hanzhi Zhong , Bowen Pang , Tong Wang , Zhiyu Xiang , Hangguan Shan , Eryun Liu

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

This paper introduces VLMFusionOcc3D, a robust multimodal framework for dense 3D semantic occupancy prediction in autonomous driving. Current voxel-based occupancy models often struggle with semantic ambiguity in sparse geometric grids and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 A. Enes Doruk , Hasan F. Ates

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

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

Robust 3D occupancy prediction is essential for autonomous driving, particularly under adverse weather conditions where traditional vision-only systems struggle. While the fusion of surround-view 4D radar and cameras offers a promising…

Computer Vision and Pattern Recognition · Computer Science 2025-08-11 Long Yang , Lianqing Zheng , Wenjin Ai , Minghao Liu , Sen Li , Qunshu Lin , Shengyu Yan , Jie Bai , Zhixiong Ma , Tao Huang , Xichan Zhu

Semantic occupancy has recently gained significant traction as a prominent 3D scene representation. However, most existing methods rely on large and costly datasets with fine-grained 3D voxel labels for training, which limits their…

Computer Vision and Pattern Recognition · Computer Science 2024-02-21 Simon Boeder , Fabian Gigengack , Benjamin Risse

Image matching is a fundamental and critical task in various visual applications, such as Simultaneous Localization and Mapping (SLAM) and image retrieval, which require accurate pose estimation. However, most existing methods ignore the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-31 Miao Fan , Mingrui Chen , Chen Hu , Shuchang Zhou

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

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

3D occupancy perception technology aims to observe and understand dense 3D environments for autonomous vehicles. Owing to its comprehensive perception capability, this technology is emerging as a trend in autonomous driving perception…

Computer Vision and Pattern Recognition · Computer Science 2024-09-17 Huaiyuan Xu , Junliang Chen , Shiyu Meng , Yi Wang , Lap-Pui Chau