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This paper investigates the advantages of using Bird's Eye View (BEV) representation in 360-degree visual place recognition (VPR). We propose a novel network architecture that utilizes the BEV representation in feature extraction, feature…

计算机视觉与模式识别 · 计算机科学 2023-05-24 Xuecheng Xu , Yanmei Jiao , Sha Lu , Xiaqing Ding , Rong Xiong , Yue Wang

Bird's-Eye-View (BEV) is critical to connected and automated vehicles (CAVs) as it can provide unified and precise representation of vehicular surroundings. However, quality of the raw sensing data may degrade in occluded or distant…

网络与互联网体系结构 · 计算机科学 2025-12-23 Jiawei Hou , Peng Yang , Xiangxiang Dai , Mingliu Liu , Conghao Zhou

We present an end-to-end method for object detection and trajectory prediction utilizing multi-view representations of LiDAR returns and camera images. In this work, we recognize the strengths and weaknesses of different view…

计算机视觉与模式识别 · 计算机科学 2021-10-20 Sudeep Fadadu , Shreyash Pandey , Darshan Hegde , Yi Shi , Fang-Chieh Chou , Nemanja Djuric , Carlos Vallespi-Gonzalez

Safe autonomous agents and mobile robots need fast real time 3D perception, especially for vulnerable road users (VRUs) such as pedestrians. We introduce a new bird's eye view (BEV) encoding, which maps the full 3D LiDAR point cloud into a…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Mohammad Khoshkdahan , Alexey Vinel

We present the first cross-modality distillation framework specifically tailored for single-panoramic-camera Bird's-Eye-View (BEV) segmentation. Our approach leverages a novel LiDAR image representation fused from range, intensity and…

计算机视觉与模式识别 · 计算机科学 2025-12-18 Wenke E , Yixin Sun , Jiaxu Liu , Hubert P. H. Shum , Amir Atapour-Abarghouei , Toby P. Breckon

This paper presents Multi-view Labelling Object Detector (MLOD). The detector takes an RGB image and a LIDAR point cloud as input and follows the two-stage object detection framework. A Region Proposal Network (RPN) generates 3D proposals…

计算机视觉与模式识别 · 计算机科学 2019-09-11 Jian Deng , Krzysztof Czarnecki

Generating a detailed near-field perceptual model of the environment is an important and challenging problem in both self-driving vehicles and autonomous mobile robotics. A Bird Eye View (BEV) map, providing a panoptic representation, is a…

计算机视觉与模式识别 · 计算机科学 2022-06-01 Pramit Dutta , Ganesh Sistu , Senthil Yogamani , Edgar Galván , John McDonald

Camera-LiDAR fusion is widely used in autonomous driving to enable accurate 3D object detection. However, bird's-eye view (BEV) fusion detectors can degrade significantly under domain shift and sensor failures, limiting reliability in…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Trung Tien Dong , Dev Thakkar , Arman Sargolzaei , Xiaomin Lin

Most modern deep learning-based multi-view 3D reconstruction techniques use RNNs or fusion modules to combine information from multiple images after independently encoding them. These two separate steps have loose connections and do not…

计算机视觉与模式识别 · 计算机科学 2022-07-11 Farid Yagubbayli , Yida Wang , Alessio Tonioni , Federico Tombari

While transformers demonstrate outstanding performance across various audio tasks, their application to neural vocoders remains challenging. Neural vocoders require the generation of long audio signals at the sample level, which demands…

声音 · 计算机科学 2025-12-30 Seongho Hong , Yong-Hoon Choi

Bird's-Eye-View (BEV) representation offers a metric-scaled planar workspace, facilitating the simplification of 6-DoF ego-motion to a more robust 3-DoF model for monocular visual odometry (MVO) in intelligent transportation systems.…

机器人学 · 计算机科学 2025-09-19 Yufei Wei , Wangtao Lu , Sha Lu , Chenxiao Hu , Fuzhang Han , Rong Xiong , Yue Wang

Recently, 3D object detection has attracted significant attention and achieved continuous improvement in real road scenarios. The environmental information is collected from a single sensor or multi-sensor fusion to detect interested…

计算机视觉与模式识别 · 计算机科学 2023-06-30 Hongwei Liu , Jian Yang , Jianfeng Zhang , Dongheng Shao , Jielong Guo , Shaobo Li , Xuan Tang , Xian Wei

As the core building block of vision transformers, attention is a powerful tool to capture long-range dependency. However, such power comes at a cost: it incurs a huge computation burden and heavy memory footprint as pairwise token…

计算机视觉与模式识别 · 计算机科学 2023-03-16 Lei Zhu , Xinjiang Wang , Zhanghan Ke , Wayne Zhang , Rynson Lau

Bird's-Eye View (BEV) maps provide a structured, top-down abstraction that is crucial for autonomous-driving perception. In this work, we employ Cross-View Transformers (CVT) for learning to map camera images to three BEV's channels - road,…

计算机视觉与模式识别 · 计算机科学 2025-08-19 Felipe Carlos dos Santos , Eric Aislan Antonelo , Gustavo Claudio Karl Couto

Visual information can serve as an effective cue for target speaker extraction (TSE) and is vital to improving extraction performance. In this paper, we propose AV-SepFormer, a SepFormer-based attention dual-scale model that utilizes cross-…

Striking a balance between precision and efficiency presents a prominent challenge in the bird's-eye-view (BEV) 3D object detection. Although previous camera-based BEV methods achieved remarkable performance by incorporating long-term…

计算机视觉与模式识别 · 计算机科学 2024-01-09 Haowen Zheng , Dong Cao , Jintao Xu , Rui Ai , Weihao Gu , Yang Yang , Yanyan Liang

3D object detection from LiDAR data for autonomous driving has been making remarkable strides in recent years. Among the state-of-the-art methodologies, encoding point clouds into a bird's eye view (BEV) has been demonstrated to be both…

计算机视觉与模式识别 · 计算机科学 2022-08-09 Yantao Lu , Xuetao Hao , Yilan Li , Weiheng Chai , Shiqi Sun , Senem Velipasalar

Recently, fully-transformer architectures have replaced the defacto convolutional architecture for the 3D human pose estimation task. In this paper we propose \textbf{\textit{ConvFormer}}, a novel convolutional transformer that leverages a…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Alec Diaz-Arias , Dmitriy Shin

Visual object tracking often employs a multi-stage pipeline of feature extraction, target information integration, and bounding box estimation. To simplify this pipeline and unify the process of feature extraction and target information…

计算机视觉与模式识别 · 计算机科学 2023-02-10 Yutao Cui , Cheng Jiang , Gangshan Wu , Limin Wang

3D object detectors for point clouds often rely on a pooling-based PointNet to encode sparse points into grid-like voxels or pillars. In this paper, we identify that the common PointNet design introduces an information bottleneck that…

计算机视觉与模式识别 · 计算机科学 2024-05-07 Zhaoqi Leng , Pei Sun , Tong He , Dragomir Anguelov , Mingxing Tan