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Object detection has recently experienced substantial progress. Yet, the widely adopted horizontal bounding box representation is not appropriate for ubiquitous oriented objects such as objects in aerial images and scene texts. In this…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Yongchao Xu , Mingtao Fu , Qimeng Wang , Yukang Wang , Kai Chen , Gui-Song Xia , Xiang Bai

Monocular 3D object detection is a challenging task because depth information is difficult to obtain from 2D images. A subset of viewpoint-agnostic monocular 3D detection methods also do not explicitly leverage scene homography or geometry…

Computer Vision and Pattern Recognition · Computer Science 2025-12-05 Xinxuan Lu , Derek Gloudemans , Shepard Xia , Daniel B. Work

Intersection over Union (IoU) is the most popular evaluation metric used in the object detection benchmarks. However, there is a gap between optimizing the commonly used distance losses for regressing the parameters of a bounding box and…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Hamid Rezatofighi , Nathan Tsoi , JunYoung Gwak , Amir Sadeghian , Ian Reid , Silvio Savarese

In this work, we explore the technical feasibility of implementing end-to-end 3D object detection (3DOD) with surround-view fisheye camera system. Specifically, we first investigate the performance drop incurred when transferring classic…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Changcai Li , Wenwei Lin , Zuoxun Hou , Gang Chen , Wei Zhang , Huihui Zhou , Weishi Zheng

In this paper, we introduce a moving object detection algorithm for fisheye cameras used in autonomous driving. We reformulate the three commonly used constraints in rectilinear images (epipolar, positive depth and positive height…

Computer Vision and Pattern Recognition · Computer Science 2020-03-09 Letizia Mariotti , Ciaran Hughes

Pedestrian detection in images is a topic that has been studied extensively, but existing detectors designed for perspective images do not perform as successfully on images taken with top-view fisheye cameras, mainly due to the orientation…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Sheng-Ho Chiang , Tsaipei Wang , Yi-Fu Chen

In the field of state-of-the-art object detection, the task of object localization is typically accomplished through a dedicated subnet that emphasizes bounding box regression. This subnet traditionally predicts the object's position by…

Computer Vision and Pattern Recognition · Computer Science 2023-07-20 Peng Zhi , Haoran Zhou , Hang Huang , Rui Zhao , Rui Zhou , Qingguo Zhou

The most popular evaluation metric for object detection in 2D images is Intersection over Union (IoU). Existing implementations of the IoU metric for 3D object detection usually neglect one or more degrees of freedom. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2022-11-14 Michael G. Adam , Martin Piccolrovazzi , Sebastian Eger , Eckehard Steinbach

Automated Parking is a low speed manoeuvring scenario which is quite unstructured and complex, requiring full 360{\deg} near-field sensing around the vehicle. In this paper, we discuss the design and implementation of an automated parking…

Computer Vision and Pattern Recognition · Computer Science 2019-12-25 Pullarao Maddu , Wayne Doherty , Ganesh Sistu , Isabelle Leang , Michal Uricar , Sumanth Chennupati , Hazem Rashed , Jonathan Horgan , Ciaran Hughes , Senthil Yogamani

Although fisheye cameras are in high demand in many application areas due to their large field of view, many image and video signal processing tasks such as motion compensation suffer from the introduced strong radial distortions. A…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Andy Regensky , Christian Herglotz , André Kaup

Fisheye cameras introduce significant distortion and pose unique challenges to object detection models trained on conventional datasets. In this work, we propose a data-centric pipeline that systematically improves detection performance by…

Computer Vision and Pattern Recognition · Computer Science 2025-07-23 Seunghyeon Kim , Kyeongryeol Go

Fisheye cameras offer robots the ability to capture human movements across a wider field of view (FOV) than standard pinhole cameras, making them particularly useful for applications in human-robot interaction and automotive contexts.…

Computer Vision and Pattern Recognition · Computer Science 2025-06-25 Stephanie Käs , Sven Peter , Henrik Thillmann , Anton Burenko , David Benjamin Adrian , Dennis Mack , Timm Linder , Bastian Leibe

Although recent learning-based calibration methods can predict extrinsic and intrinsic camera parameters from a single image, the accuracy of these methods is degraded in fisheye images. This degradation is caused by mismatching between the…

Computer Vision and Pattern Recognition · Computer Science 2022-09-21 Nobuhiko Wakai , Satoshi Sato , Yasunori Ishii , Takayoshi Yamashita

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

The fisheye camera, with its unique wide field of view and other characteristics, has found extensive applications in various fields. However, the fisheye camera suffers from significant distortion compared to pinhole cameras, resulting in…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Jian Xu , De-Wei Han , Kang Li , Jun-Jie Li , Zhao-Yuan Ma

Surround-view fisheye cameras are commonly used for near-field sensing in automated driving scenarios, including urban driving and auto valet parking. Four fisheye cameras, one on each side, are sufficient to cover 360{\deg} around the…

Computer Vision and Pattern Recognition · Computer Science 2023-10-23 Andy Xiao , Deep Doshi , Lihao Wang , Harsha Gorantla , Thomas Heitzmann , Peter Groth

In many parts of the world, the use of vast amounts of data collected on public roadways for autonomous driving has increased. In order to detect and anonymize pedestrian faces and nearby car license plates in actual road-driving scenarios,…

Computer Vision and Pattern Recognition · Computer Science 2023-09-08 Linh Trinh , Bach Ha , Tu Tran

Detecting objects from UAV-captured images is challenging due to the small object size. In this work, a simple and efficient adaptive zoom-in framework is explored for object detection on UAV images. The main motivation is that the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-13 Tao Wang , Chenyu Lin , Chenwei Tang , Jizhe Zhou , Deng Xiong , Jianan Li , Jian Zhao , Jiancheng Lv

Road object detection is an important branch of automatic driving technology, The model with higher detection accuracy is more conducive to the safe driving of vehicles. In road object detection, the omission of small objects and occluded…

Computer Vision and Pattern Recognition · Computer Science 2023-02-17 Tao Yang , Youyu Wu , Yangxintai Tang

A 360{\deg} perception of scene geometry is essential for automated driving, notably for parking and urban driving scenarios. Typically, it is achieved using surround-view fisheye cameras, focusing on the near-field area around the vehicle.…

Computer Vision and Pattern Recognition · Computer Science 2021-04-12 Varun Ravi Kumar , Marvin Klingner , Senthil Yogamani , Markus Bach , Stefan Milz , Tim Fingscheidt , Patrick Mäder