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Existing approaches to drone visual geo-localization predominantly adopt the image-based setting, where a single drone-view snapshot is matched with images from other platforms. Such task formulation, however, underutilizes the inherent…

Computer Vision and Pattern Recognition · Computer Science 2025-07-29 Hao Ju , Shaofei Huang , Si Liu , Zhedong Zheng

Visual bird's eye view (BEV) perception, due to its excellent perceptual capabilities, is progressively replacing costly LiDAR-based perception systems, especially in the realm of urban intelligent driving. However, this type of perception…

Computer Vision and Pattern Recognition · Computer Science 2024-09-10 Lei He , Qiaoyi Wang , Honglin Sun , Qing Xu , Bolin Gao , Shengbo Eben Li , Jianqiang Wang , Keqiang Li

Monocular visual-inertial odometry (VIO) is a critical problem in robotics and autonomous driving. Traditional methods solve this problem based on filtering or optimization. While being fully interpretable, they rely on manual interference…

Robotics · Computer Science 2022-09-20 Zexi Chen , Haozhe Du , Xuecheng Xu , Rong Xiong , Yiyi Liao , Yue Wang

In this paper we propose a robust visual odometry system for a wide-baseline camera rig with wide field-of-view (FOV) fisheye lenses, which provides full omnidirectional stereo observations of the environment. For more robust and accurate…

Computer Vision and Pattern Recognition · Computer Science 2019-03-04 Hochang Seok , Jongwoo Lim

Relative position embedding has become a standard mechanism for encoding positional information in Transformers. However, existing formulations are typically limited to a fixed geometric space, namely 1D sequences or regular 2D/3D grids,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Yichen Xie , Depu Meng , Chensheng Peng , Yihan Hu , Quentin Herau , Masayoshi Tomizuka , Wei Zhan

We present BEVCon, a simple yet effective contrastive learning framework designed to improve Bird's Eye View (BEV) perception in autonomous driving. BEV perception offers a top-down-view representation of the surrounding environment, making…

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

Vision Foundation Models trained via large-scale self-supervised learning have demonstrated strong generalization in visual perception; however, their practical role and performance limits in agricultural settings remain insufficiently…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Rui-Feng Wang , Daniel Petti , Yue Chen , Changying Li

We tackle a new problem of multi-view camera and subject registration in the bird's eye view (BEV) without pre-given camera calibration. This is a very challenging problem since its only input is several RGB images from different…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Zekun Qian , Ruize Han , Wei Feng , Feifan Wang , Song Wang

Surround-view fisheye perception under valet parking scenes is fundamental and crucial in autonomous driving. Environmental conditions in parking lots perform differently from the common public datasets, such as imperfect light and opacity,…

Computer Vision and Pattern Recognition · Computer Science 2022-12-12 Zizhang Wu , Yuanzhu Gan , Xianzhi Li , Yunzhe Wu , Xiaoquan Wang , Tianhao Xu , Fan Wang

Surround View fisheye cameras are commonly deployed in automated driving for 360\deg{} near-field sensing around the vehicle. This work presents a multi-task visual perception network on unrectified fisheye images to enable the vehicle to…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Varun Ravi Kumar , Senthil Yogamani , Hazem Rashed , Ganesh Sistu , Christian Witt , Isabelle Leang , Stefan Milz , Patrick Mäder

We present a novel bird's-eye-view (BEV) detector with perspective supervision, which converges faster and better suits modern image backbones. Existing state-of-the-art BEV detectors are often tied to certain depth pre-trained backbones…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Chenyu Yang , Yuntao Chen , Hao Tian , Chenxin Tao , Xizhou Zhu , Zhaoxiang Zhang , Gao Huang , Hongyang Li , Yu Qiao , Lewei Lu , Jie Zhou , Jifeng Dai

Autonomous vehicle perception systems have traditionally relied on costly LiDAR sensors to generate precise environmental representations. In this paper, we propose a camera-only perception framework that produces Bird's Eye View (BEV) maps…

Computer Vision and Pattern Recognition · Computer Science 2025-05-12 Anupkumar Bochare

Human pose estimation (HPE) in the top-view using fisheye cameras presents a promising and innovative application domain. However, the availability of datasets capturing this viewpoint is extremely limited, especially those with…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Jingrui Yu , Dipankar Nandi , Roman Seidel , Gangolf Hirtz

Conventional convolution neural networks (CNNs) trained on narrow Field-of-View (FoV) images are the state-of-the-art approaches for object recognition tasks. Some methods proposed the adaptation of CNNs to ultra-wide FoV images by learning…

Computer Vision and Pattern Recognition · Computer Science 2022-03-15 Ola Ahmad , Freddy Lecue

Positional encoding plays a pivotal role in determin?ing the extrapolation and generalization performance of wireless foundation models for channel state information (CSI) modeling, latent characterization, and task-specific prediction.…

Signal Processing · Electrical Eng. & Systems 2026-05-05 Chenyu Zhang , Xinchen Lyu , Chenshan Ren , Shuhan Liu , Qimei Cui

Object detection is a comprehensively studied problem in autonomous driving. However, it has been relatively less explored in the case of fisheye cameras. The strong radial distortion breaks the translation invariance inductive bias of…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Saravanabalagi Ramachandran , Ganesh Sistu , Varun Ravi Kumar , John McDonald , Senthil Yogamani

Positional encoding is a vital component of Transformer architectures, enabling models to incorporate sequence order into self-attention mechanisms. Rotary Positional Embeddings (RoPE) have become a widely adopted solution due to their…

Computation and Language · Computer Science 2025-08-01 Ali Veisi , Delaram Fartoot , Hamidreza Amirzadeh

Cooperative perception is critical for autonomous driving, overcoming the inherent limitations of a single vehicle, such as occlusions and constrained fields-of-view. However, current approaches sharing dense Bird's-Eye-View (BEV) features…

Computer Vision and Pattern Recognition · Computer Science 2026-04-13 Jiahao Wang , Zhongwei Jiang , Wenchao Sun , Jiaru Zhong , Haibao Yu , Yuner Zhang , Chenyang Lu , Chuang Zhang , Lei He , Shaobing Xu , Jianqiang Wang

In this work, we present a methodology to shape a fisheye-specific representation space that reflects the interaction between distortion and semantic context present in this data modality. Fisheye data has the wider field of view advantage…

Computer Vision and Pattern Recognition · Computer Science 2023-05-09 Kiran Kokilepersaud , Mohit Prabhushankar , Yavuz Yarici , Ghassan AlRegib , Armin Parchami

Images captured by fisheye lenses violate the pinhole camera assumption and suffer from distortions. Rectification of fisheye images is therefore a crucial preprocessing step for many computer vision applications. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2018-04-16 Xiaoqing Yin , Xinchao Wang , Jun Yu , Maojun Zhang , Pascal Fua , Dacheng Tao