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Fisheye cameras prove a convenient means in surveillance and automotive applications as they provide a very wide field of view for capturing their surroundings. Contrary to typical rectilinear imagery, however, fisheye video sequences…

Image and Video Processing · Electrical Eng. & Systems 2022-12-05 Andrea Eichenseer , Michel Bätz , André Kaup

Surveying wide areas with only one camera is a typical scenario in surveillance and automotive applications. Ultra wide-angle fisheye cameras employed to that end produce video data with characteristics that differ significantly from…

Image and Video Processing · Electrical Eng. & Systems 2023-03-02 Andrea Eichenseer , Michel Bätz , André Kaup

Capturing large fields of view with only one camera is an important aspect in surveillance and automotive applications, but the wide-angle fisheye imagery thus obtained exhibits very special characteristics that may not be very well suited…

Image and Video Processing · Electrical Eng. & Systems 2022-12-01 Andrea Eichenseer , Michel Bätz , Jürgen Seiler , André Kaup

Feed-forward foundation models for multi-view 3-dimensional (3D) reconstruction have been trained on large-scale datasets of perspective images; when tested on wide field-of-view images, e.g., from a fisheye camera, their performance…

Computer Vision and Pattern Recognition · Computer Science 2026-04-01 Ruxiao Duan , Erin Hong , Dongxu Zhao , Eric Turner , Alex Wong , Yunwen Zhou

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

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

Dense 3D maps from wide-angle cameras is beneficial to robotics applications such as navigation and autonomous driving. In this work, we propose a real-time dense 3D mapping method for fisheye cameras without explicit rectification and…

Robotics · Computer Science 2019-09-18 Menandro Roxas , Takeshi Oishi

This paper presents a new deep-learning based method to simultaneously calibrate the intrinsic parameters of fisheye lens and rectify the distorted images. Assuming that the distorted lines generated by fisheye projection should be straight…

Computer Vision and Pattern Recognition · Computer Science 2019-05-02 Zhucun Xue , Nan Xue , Gui-Song Xia , Weiming Shen

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

To obtain depth information from a stereo camera setup, a common way is to conduct disparity estimation between the two views; the disparity map thus generated may then also be used to synthesize arbitrary intermediate views. A…

Image and Video Processing · Electrical Eng. & Systems 2022-12-05 Andrea Eichenseer , Michel Bätz , André Kaup

Accurate depth estimation is crucial for 3D scene comprehension in robotics and autonomous vehicles. Fisheye cameras, known for their wide field of view, have inherent geometric benefits. However, their use in depth estimation is restricted…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Guoyang Zhao , Yuxuan Liu , Weiqing Qi , Fulong Ma , Ming Liu , Jun Ma

Fisheye cameras suffer from image distortion while having a large field of view(LFOV). And this fact leads to poor performance on some fisheye vision tasks. One of the solutions is to optimize the current vision algorithm for fisheye…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Dianyi Yang , Jiadong Tang , Yu Gao , Yi Yang , Mengyin Fu

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

Recently, 3D Gaussian Splatting (3DGS) has garnered attention for its high fidelity and real-time rendering. However, adapting 3DGS to different camera models, particularly fisheye lenses, poses challenges due to the unique 3D to 2D…

Computer Vision and Pattern Recognition · Computer Science 2024-09-12 Zimu Liao , Siyan Chen , Rong Fu , Yi Wang , Zhongling Su , Hao Luo , Li Ma , Linning Xu , Bo Dai , Hengjie Li , Zhilin Pei , Xingcheng Zhang

We propose a novel 3D human pose detector using two panoramic cameras. We show that transforming fisheye perspectives to rectilinear views allows a direct application of two-dimensional deep-learning pose estimation methods, without the…

Computer Vision and Pattern Recognition · Computer Science 2019-07-02 Christoph Heindl , Thomas Pönitz , Andreas Pichler , Josef Scharinger

Keypoint detection and matching is a fundamental task in many computer vision problems, from shape reconstruction, to structure from motion, to AR/VR applications and robotics. It is a well-studied problem with remarkable successes such as…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Marcela Mera-Trujillo , Shivang Patel , Yu Gu , Gianfranco Doretto

Camera with a fisheye or ultra-wide lens covers a wide field of view that cannot be modeled by the perspective projection. Serious fisheye lens distortion in the peripheral region of the image leads to degraded performance of the existing…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Bing Li , Dong Zhang , Cheng Huang , Yun Xian , Ming Li , Dah-Jye Lee

Object detection is a comprehensively studied problem in autonomous driving. However, it has been relatively less explored in the case of fisheye cameras. The standard bounding box fails in fisheye cameras due to the strong radial…

Computer Vision and Pattern Recognition · Computer Science 2022-12-23 Hazem Rashed , Eslam Mohamed , Ganesh Sistu , Varun Ravi Kumar , Ciaran Eising , Ahmad El-Sallab , Senthil Yogamani

Our aim is to estimate the perspective-effected geometric distortion of a scene from a video feed. In contrast to all previous work we wish to achieve this using from low-level, spatio-temporally local motion features used in commercial…

Computer Vision and Pattern Recognition · Computer Science 2015-04-22 Ognjen Arandjelovic , Duc-Son Pham , Svetha Venkatesh

In video surveillance as well as automotive applications, so-called fisheye cameras are often employed to capture a very wide angle of view. As such cameras depend on projections quite different from the classical perspective projection,…

Image and Video Processing · Electrical Eng. & Systems 2022-12-01 Andrea Eichenseer , André Kaup
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