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In this paper, we deal with the problem of monocular depth estimation for fisheye cameras in a self-supervised manner. A known issue of self-supervised depth estimation is that it suffers in low-light/over-exposure conditions and in large…

Computer Vision and Pattern Recognition · Computer Science 2022-05-09 Qingan Yan , Pan Ji , Nitin Bansal , Yuxin Ma , Yuan Tian , Yi Xu

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

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

Fisheye cameras are widely employed in automatic parking, and the video stream object detection (VSOD) of the fisheye camera is a fundamental perception function to ensure the safe operation of vehicles. In past research work, the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-30 Yixiong Yan , Liangzhu Cheng , Yongxu Li , Xinjuan Tuo

Edge detection is a fundamental technique in various computer vision tasks. Edges are indeed effectively delineated by pixel discontinuity and can offer reliable structural information even in textureless areas. State-of-the-art heavily…

Computer Vision and Pattern Recognition · Computer Science 2024-01-05 Leng Kai , Zhang Zhijie , Liu Jie , Zed Boukhers , Sui Wei , Cong Yang , Li Zhijun

A Manhattan world lying along cuboid buildings is useful for camera angle estimation. However, accurate and robust angle estimation from fisheye images in the Manhattan world has remained an open challenge because general scene images tend…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Nobuhiko Wakai , Satoshi Sato , Yasunori Ishii , Takayoshi Yamashita

Traffic near-crash events serve as critical data sources for various smart transportation applications, such as being surrogate safety measures for traffic safety research and corner case data for automated vehicle testing. However, there…

Robotics · Computer Science 2021-08-30 Ruimin Ke , Zhiyong Cui , Yanlong Chen , Meixin Zhu , Hao Yang , Yinhai Wang

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

Class-agnostic 3D instance segmentation tackles the challenging task of segmenting all object instances, including previously unseen ones, without semantic class reliance. Current methods struggle with generalization due to the scarce…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Shengchao Zhou , Jiehong Lin , Jiahui Liu , Shizhen Zhao , Chirui Chang , Xiaojuan Qi

Detecting and tracking objects is a crucial component of any autonomous navigation method. For the past decades, object detection has yielded promising results using neural networks on various datasets. While many methods focus on…

Computer Vision and Pattern Recognition · Computer Science 2025-05-02 Mathis Morales , Golnaz Habibi

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

The development in the field of autonomous driving goes hand in hand with ever new developments in the field of image processing and machine learning methods. In order to fully exploit the advantages of deep learning, it is necessary to…

Computer Vision and Pattern Recognition · Computer Science 2020-11-12 Tobias Scheck , Adarsh Mallandur , Christian Wiede , Gangolf Hirtz

In this paper, we present novel synthetic training data called self-blended images (SBIs) to detect deepfakes. SBIs are generated by blending pseudo source and target images from single pristine images, reproducing common forgery artifacts…

Computer Vision and Pattern Recognition · Computer Science 2022-04-19 Kaede Shiohara , Toshihiko Yamasaki

Many safety-critical applications, especially in autonomous driving, require reliable object detectors. They can be very effectively assisted by a method to search for and identify potential failures and systematic errors before these…

Computer Vision and Pattern Recognition · Computer Science 2024-04-11 Valentyn Boreiko , Matthias Hein , Jan Hendrik Metzen

Textureless object recognition has become a significant task in Computer Vision with the advent of Robotics and its applications in manufacturing sector. It has been challenging to obtain good accuracy in real time because of its lack of…

Computer Vision and Pattern Recognition · Computer Science 2024-08-31 Frincy Clement , Kirtan Shah , Dhara Pancholi , Gabriel Lugo Bustillo , Irene Cheng

This paper considers image change detection with only a small number of samples, which is a significant problem in terms of a few annotations available. A major impediment of image change detection task is the lack of large annotated…

Computer Vision and Pattern Recognition · Computer Science 2023-11-08 Ke Liu , Zhaoyi Song , Haoyue Bai

Deep vision models are now mature enough to be integrated in industrial and possibly critical applications such as autonomous navigation. Yet, data collection and labeling to train such models requires too much efforts and costs for a…

Machine Learning · Computer Science 2025-10-24 Estelle Chigot , Dennis G. Wilson , Meriem Ghrib , Fabrice Jimenez , Thomas Oberlin

In this paper, we present a novel paradigm to enhance the ability of object detector, e.g., expanding categories or improving detection performance, by training on synthetic dataset generated from diffusion models. Specifically, we…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Chengjian Feng , Yujie Zhong , Zequn Jie , Weidi Xie , Lin Ma

Collecting and annotating real-world data for the development of object detection models is a time-consuming and expensive process. In the military domain in particular, data collection can also be dangerous or infeasible. Training models…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Frank A. Ruis , Alma M. Liezenga , Friso G. Heslinga , Luca Ballan , Thijs A. Eker , Richard J. M. den Hollander , Martin C. van Leeuwen , Judith Dijk , Wyke Huizinga

Object detection is a mature problem in autonomous driving with pedestrian detection being one of the first deployed algorithms. It has been comprehensively studied in the literature. However, object detection is relatively less explored…

Computer Vision and Pattern Recognition · Computer Science 2024-04-30 Ganesh Sistu , Senthil Yogamani