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Voxel-based methods have achieved state-of-the-art performance for 3D object detection in autonomous driving. However, their significant computational and memory costs pose a challenge for their application to resource-constrained vehicles.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-10 Tianchen Zhao , Xuefei Ning , Ke Hong , Zhongyuan Qiu , Pu Lu , Yali Zhao , Linfeng Zhang , Lipu Zhou , Guohao Dai , Huazhong Yang , Yu Wang

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

Object detection and segmentation are two core modules of an autonomous vehicle perception system. They should have high efficiency and low latency while reducing computational complexity. Currently, the most commonly used algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2023-11-14 Maciej Baczmanski , Robert Synoczek , Mateusz Wasala , Tomasz Kryjak

Autonomous driving requires a persistent understanding of 3D scenes that is robust to temporal disturbances and accounts for potential future actions. We introduce a new concept of 4D Occupancy Spatio-Temporal Persistence (OccSTeP), which…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Yu Zheng , Jie Hu , Kailun Yang , Jiaming Zhang

We present a unified, efficient and effective framework for point-cloud based 3D object detection. Our two-stage approach utilizes both voxel representation and raw point cloud data to exploit respective advantages. The first stage network,…

Computer Vision and Pattern Recognition · Computer Science 2019-08-19 Yilun Chen , Shu Liu , Xiaoyong Shen , Jiaya Jia

Object occlusion boundary detection is a fundamental and crucial research problem in computer vision. This is challenging to solve as encountering the extreme boundary/non-boundary class imbalance during training an object occlusion…

Computer Vision and Pattern Recognition · Computer Science 2018-09-14 Guoxia Wang , Xiaohui Liang , Frederick W. B. Li

3D occupancy prediction holds significant promise in the fields of robot perception and autonomous driving, which quantifies 3D scenes into grid cells with semantic labels. Recent works mainly utilize complete occupancy labels in 3D voxel…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Mingjie Pan , Jiaming Liu , Renrui Zhang , Peixiang Huang , Xiaoqi Li , Bing Wang , Hongwei Xie , Li Liu , Shanghang Zhang

We introduce a View-Volume convolutional neural network (VVNet) for inferring the occupancy and semantic labels of a volumetric 3D scene from a single depth image. The VVNet concatenates a 2D view CNN and a 3D volume CNN with a…

Computer Vision and Pattern Recognition · Computer Science 2018-06-15 Yu-Xiao Guo , Xin Tong

In this research, I proposed a network structure for multi-view 3D object detection using camera-only data and a Bird's-Eye-View map. My work is based on a current key challenge domain adaptation and visual data transfer. Although many…

Computer Vision and Pattern Recognition · Computer Science 2023-11-03 Hang Zhang

Implicit function based surface reconstruction has been studied for a long time to recover 3D shapes from point clouds sampled from surfaces. Recently, Signed Distance Functions (SDFs) and Occupany Functions are adopted in learning-based…

Computer Vision and Pattern Recognition · Computer Science 2020-10-23 Meng Jia , Matthew Kyan

Most automated driving systems comprise a diverse sensor set, including several cameras, Radars, and LiDARs, ensuring a complete 360\deg coverage in near and far regions. Unlike Radar and LiDAR, which measure directly in 3D, cameras capture…

3D Lane detection plays an important role in autonomous driving. Recent advances primarily build Birds-Eye-View (BEV) feature from front-view (FV) images to perceive 3D information of Lane more effectively. However, constructing accurate…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yehao Liu , Xiaosu Xu , Zijian Wang , Yiqing Yao

Video prediction is a pixel-level task that generates future frames by employing the historical frames. There often exist continuous complex motions, such as object overlapping and scene occlusion in video, which poses great challenges to…

Computer Vision and Pattern Recognition · Computer Science 2023-09-22 Ping Li , Chenhan Zhang , Xianghua Xu

Bird's-Eye-View (BEV) perception has become a vital component of autonomous driving systems due to its ability to integrate multiple sensor inputs into a unified representation, enhancing performance in various downstream tasks. However,…

Robotics · Computer Science 2024-10-10 Yuxin Li , Yiheng Li , Xulei Yang , Mengying Yu , Zihang Huang , Xiaojun Wu , Chai Kiat Yeo

The phenomenon of seat occupancy in university libraries is a prevalent issue. However, existing solutions, such as software-based seat reservations and sensors-based occupancy detection, have proven to be inadequate in effectively…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Guoqiang Yang , Xiaowen Chang , Zitong Wang , Min Yang

Vision-based perception for autonomous driving requires an explicit modeling of a 3D space, where 2D latent representations are mapped and subsequent 3D operators are applied. However, operating on dense latent spaces introduces a cubic…

Computer Vision and Pattern Recognition · Computer Science 2024-04-16 Pin Tang , Zhongdao Wang , Guoqing Wang , Jilai Zheng , Xiangxuan Ren , Bailan Feng , Chao Ma

Autonomous driving perceives its surroundings for decision making, which is one of the most complex scenarios in visual perception. The success of paradigm innovation in solving the 2D object detection task inspires us to seek an elegant,…

Computer Vision and Pattern Recognition · Computer Science 2022-06-17 Junjie Huang , Guan Huang , Zheng Zhu , Yun Ye , Dalong Du

Multimodal large language models (MLLMs) have shown strong vision-language reasoning abilities but still lack robust 3D spatial understanding, which is critical for autonomous driving. This limitation stems from two key challenges: (1) the…

Artificial Intelligence · Computer Science 2025-09-09 Ruixun Liu , Lingyu Kong , Derun Li , Hang Zhao

Deep convolutional neural networks (CNNs) have been shown to perform extremely well at a variety of tasks including subtasks of autonomous driving such as image segmentation and object classification. However, networks designed for these…

Computer Vision and Pattern Recognition · Computer Science 2017-11-21 Yiqi Hou , Sascha Hornauer , Karl Zipser

Although the smart camera parking system concept has existed for decades, a few approaches have fully addressed the system's scalability and reliability. As the cornerstone of a smart parking system is the ability to detect occupancy,…

Computer Vision and Pattern Recognition · Computer Science 2022-10-26 Tung-Lam Duong , Van-Duc Le , Tien-Cuong Bui , Hai-Thien To