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Given an image sequence featuring a portion of a sports field filmed by a moving and uncalibrated camera, such as the one of the smartphones, our goal is to compute automatically in real time the focal length and extrinsic camera parameters…

Computer Vision and Pattern Recognition · Computer Science 2020-04-01 Leonardo Citraro , Pablo Márquez-Neila , Stefano Savarè , Vivek Jayaram , Charles Dubout , Félix Renaut , Andrés Hasfura , Horesh Ben Shitrit , Pascal Fua

Accurate obstacle identification represents a fundamental challenge within the scope of near-field perception for autonomous driving. Conventionally, fisheye cameras are frequently employed for comprehensive surround-view perception,…

Computer Vision and Pattern Recognition · Computer Science 2024-02-02 Arindam Das , Sudarshan Paul , Niko Scholz , Akhilesh Kumar Malviya , Ganesh Sistu , Ujjwal Bhattacharya , Ciarán Eising

We present the first evaluation of 3D Gaussian Splatting methods on real fisheye imagery with fields of view above 180\textdegree{}. Our study evaluates Fisheye-GS \cite{liao2024fisheyegslightweightextensiblegaussian} and 3DGUT…

Computer Vision and Pattern Recognition · Computer Science 2026-03-10 Ulas Gunes , Matias Turkulainen , Mikhail Silaev , Juho Kannala , Esa Rahtu

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

In this article we present a visual gyroscope based on equirectangular panoramas. We propose a new pipeline where we take advantage of combining three different methods to obtain a robust and accurate estimation of the attitude of the…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Bruno Berenguel-Baeta , Antoine N. Andre , Guillaume Caron , Jesus Bermudez-Cameo , Jose J. Guerrero

As a cornerstone technique for autonomous driving, Bird's Eye View (BEV) segmentation has recently achieved remarkable progress with pinhole cameras. However, it is non-trivial to extend the existing methods to fisheye cameras with severe…

Computer Vision and Pattern Recognition · Computer Science 2025-09-18 Hang Li , Dianmo Sheng , Qiankun Dong , Zichun Wang , Zhiwei Xu , Tao Li

Real time vehicle detection is a challenging task for urban traffic surveillance. Increase in urbanization leads to increase in accidents and traffic congestion in junction areas resulting in delayed travel time. In order to solve these…

Distortion rectification is often required for fisheye images. The generation-based method is one mainstream solution due to its label-free property, but its naive skip-connection and overburdened decoder will cause blur and incomplete…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Shangrong Yang , Chunyu Lin , Kang Liao , Chunjie Zhang , Yao Zhao

Motion estimation is a key component of any modern video codec. Our understanding of motion and the estimation of motion from video has come a very long way since 2000. More than 135 different algorithms have been recently reviewed by…

Image and Video Processing · Electrical Eng. & Systems 2020-07-24 Daniel J. Ringis , Davinder Singh , Francois Pitie , Anil Kokaram

We present a general framework and method for simultaneous detection and segmentation of an object in a video that moves (or comes into view of the camera) at some unknown time in the video. The method is an online approach based on motion…

Computer Vision and Pattern Recognition · Computer Science 2016-05-25 Dong Lao , Ganesh Sundaramoorthi

360-degree cameras offer the possibility to cover a large area, for example an entire room, without using multiple distributed vision sensors. However, geometric distortions introduced by their lenses make computer vision problems more…

Computer Vision and Pattern Recognition · Computer Science 2019-02-08 Jianglin Fu , Saeed Ranjbar Alvar , Ivan V. Bajic , Rodney G. Vaughan

Video-based human pose estimation in crowded scenes is a challenging problem due to occlusion, motion blur, scale variation and viewpoint change, etc. Prior approaches always fail to deal with this problem because of (1) lacking of usage of…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Li Yuan , Shuning Chang , Xuecheng Nie , Ziyuan Huang , Yichen Zhou , Yunpeng Chen , Jiashi Feng , Shuicheng Yan

Using deep learning, this paper addresses the problem of joint object boundary detection and boundary motion estimation in videos, which we named boundary flow estimation. Boundary flow is an important mid-level visual cue as boundaries…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Peng Lei , Fuxin Li , Sinisa Todorovic

In fisheye images, rich distinct distortion patterns are regularly distributed in the image plane. These distortion patterns are independent of the visual content and provide informative cues for rectification. To make the best of such…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Hao Feng , Wendi Wang , Jiajun Deng , Wengang Zhou , Li Li , Houqiang Li

3D Gaussian Splatting (3DGS) has enabled efficient 3D scene reconstruction from everyday images with real-time, high-fidelity rendering, greatly advancing VR/AR applications. Fisheye cameras, with their wider field of view (FOV), promise…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Zhengxian Yang , Fei Xie , Xutao Xue , Rui Zhang , Taicheng Huang , Yang Liu , Mengqi Ji , Tao Yu

Estimating human motion from video is an active research area due to its many potential applications. Most state-of-the-art methods predict human shape and posture estimates for individual images and do not leverage the temporal information…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Dorian F. Henning , Tristan Laidlow , Stefan Leutenegger

The adoption of fisheye cameras in robotic manipulation, driven by their exceptionally wide Field of View (FoV), is rapidly outpacing a systematic understanding of their downstream effects on policy learning. This paper presents the first…

Robotics · Computer Science 2026-03-03 Han Xue , Nan Min , Xiaotong Liu , Wendi Chen , Yuan Fang , Jun Lv , Cewu Lu , Chuan Wen

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

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

The ability to identify the static background in videos captured by a moving camera is an important pre-requisite for many video applications (e.g. video stabilization, stitching, and segmentation). Existing methods usually face…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Kaimo Lin , Nianjuan Jiang , Loong Fah Cheong , Jiangbo Lu , Xun Xu