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Related papers: Motion estimation for fisheye video sequences comb…

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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

A large number of cameras embedded on smart-phones, drones or inside cars have a direct access to external motion sensing from gyroscopes and accelerometers. On these power-limited devices, video compression must be of low-complexity. For…

Image and Video Processing · Electrical Eng. & Systems 2020-02-03 Karim El Khoury , Pascal Pellegrin , Antonin Descampe , Sébastien Lugan , Benoit Macq

To make efficient use of limited physical resources, the brain must match its coding and computational strategies to the statistical structure of input signals. An attractive testing ground for these principles is the problem of motion…

Neurons and Cognition · Quantitative Biology 2024-12-31 Charles J. Edelson , Paul Smith , Sima Setayeshgar , William Bialek , Rob R. de Ruyter van Steveninck

We propose a method for automatic calibration of a traffic surveillance camera with wide-angle lenses. Video footage of a few minutes is sufficient for the entire calibration process to take place. This method takes in the height of the…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Aman Gajendra Jain , Nicolas Saunier

Stereo vision systems have become popular in computer vision applications, such as 3D reconstruction, object tracking, and autonomous navigation. However, traditional stereo vision systems that use rectilinear lenses may not be suitable for…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Matvei Panteleev , Houari Bettahar

Camera calibration is integral to robotics and computer vision algorithms that seek to infer geometric properties of the scene from visual input streams. In practice, calibration is a laborious procedure requiring specialized data…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Jiading Fang , Igor Vasiljevic , Vitor Guizilini , Rares Ambrus , Greg Shakhnarovich , Adrien Gaidon , Matthew R. Walter

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

State-of-the-art self-supervised learning approaches for monocular depth estimation usually suffer from scale ambiguity. They do not generalize well when applied on distance estimation for complex projection models such as in fisheye and…

Computer Vision and Pattern Recognition · Computer Science 2020-11-17 Varun Ravi Kumar , Marvin Klingner , Senthil Yogamani , Stefan Milz , Tim Fingscheidt , Patrick Maeder

In this paper, a new technique for camera calibration using only GPS data is presented. A new way of tracking objects that move on a plane in a video is achieved by using the location and size of the bounding box to estimate the distance,…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Tobias Jacob , Raffaele Galliera , Muddasar Ali , Sikha Bagui

We present a real-time dense geometric mapping algorithm for large-scale environments. Unlike existing methods which use pinhole cameras, our implementation is based on fisheye cameras which have larger field of view and benefit some other…

Robotics · Computer Science 2019-04-19 Zhaopeng Cui , Lionel Heng , Ye Chuan Yeo , Andreas Geiger , Marc Pollefeys , Torsten Sattler

Autonomous driving systems require extensive data collection schemes to cover the diverse scenarios needed for building a robust and safe system. The data volumes are in the order of Exabytes and have to be stored for a long period of time…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Madhumitha Sakthi , Louis Kerofsky , Varun Ravi Kumar , Senthil Yogamani

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

With the advance of AI, road object detection has been a prominent topic in computer vision, mostly using perspective cameras. Fisheye lens provides omnidirectional wide coverage for using fewer cameras to monitor road intersections,…

The increasing necessity for fisheye cameras in fields such as robotics and autonomous driving has led to the proposal of various fisheye camera models. While the evolution of camera models has facilitated the development of diverse systems…

Image and Video Processing · Electrical Eng. & Systems 2024-09-16 Sangjun Lee

We present a novel simple yet effective algorithm for motion-based video frame interpolation. Existing motion-based interpolation methods typically rely on a pre-trained optical flow model or a U-Net based pyramid network for motion…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Xin Jin , Longhai Wu , Guotao Shen , Youxin Chen , Jie Chen , Jayoon Koo , Cheul-hee Hahm

Motion estimation is one of the important procedures in the all video encoders. Most of the complexity of the video coder depends on the complexity of the motion estimation step. The original motion estimation algorithm has a remarkable…

Image and Video Processing · Electrical Eng. & Systems 2018-03-14 Amin Banitalebi , Said Nader-Esfahani , Alireza Nasiri Avanaki

Fisheye cameras are increasingly adopted in robotics for near-field manipulation, navigation, and immersive perception, yet indoor depth benchmarks with accurate ground truth are still missing. To address this, we introduce WideDepth - the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-26 Ilia Indyk , Ignat Penshin , Ivan Sosin , Maxim Monastyrny , Aleksei Valenkov , Ilya Makarov

There has been much recent interest in deep learning methods for monocular image based object pose estimation. While object pose estimation is an important problem for autonomous robot interaction with the physical world, and the…

Computer Vision and Pattern Recognition · Computer Science 2020-03-02 Gideon Billings , Matthew Johnson-Roberson

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

Near field depth estimation around a self driving car is an important function that can be achieved by four wide angle fisheye cameras having a field of view of over 180. Depth estimation based on convolutional neural networks (CNNs)…

Computer Vision and Pattern Recognition · Computer Science 2018-09-25 Varun Ravi Kumar , Stefan Milz , Martin Simon , Christian Witt , Karl Amende , Johannes Petzold , Senthil Yogamani , Timo Pech