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360{\deg} cameras have gained popularity over the last few years. In this paper, we propose two fundamental techniques -- Field-of-View IoU (FoV-IoU) and 360Augmentation for object detection in 360{\deg} images. Although most object…

Computer Vision and Pattern Recognition · Computer Science 2022-09-26 Miao Cao , Satoshi Ikehata , Kiyoharu Aizawa

Intelligent Transportation Systems (ITS) can benefit from roadside 4D mmWave radar sensors for large-scale traffic monitoring due to their weatherproof functionality, long sensing range and low manufacturing cost. However, the localization…

Robotics · Computer Science 2024-07-04 Longfei Han , Qiuyu Xu , Klaus Kefferpütz , Gordon Elger , Jürgen Beyerer

LLM-based universal information extraction (UIE) methods often rely on additional information beyond the original training data, which increases training complexity yet often yields limited gains. To address this, we propose ProUIE, a…

Computation and Language · Computer Science 2026-04-14 Wenda Liu , Zhigang Song , Shuai Nie , Guangyao Liu , Lisung Chen , Binyu Yang , Yaran Chen , Peng Zhou , Hongzhen Wang , Yuchen Liu , Wenyue Hu , Jiaming Xu , Runyu Shi , Ying Huang

Neural surrogates for stiff differential-algebraic equations (DAEs) face two barriers: soft-constraint methods leave algebraic residuals that stiffness amplifies into errors, and hard-constraint methods require trajectory data from stiff…

Machine Learning · Computer Science 2026-04-28 Huy Hoang Le , Haoguang Wang , Christian Moya , Marcos Netto , Guang Lin

Visual-inertial SLAM systems often exhibit suboptimal performance due to multiple confounding factors including imperfect sensor calibration, noisy measurements, rapid motion dynamics, low illumination, and the inherent limitations of…

Robotics · Computer Science 2025-12-02 Tali Orlev Shapira , Itzik Klein

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

In recent years there have been excellent results in Visual-Inertial Odometry techniques, which aim to compute the incremental motion of the sensor with high accuracy and robustness. However these approaches lack the capability to close…

Robotics · Computer Science 2017-01-18 Raul Mur-Artal , Juan D. Tardos

Relative State Estimation perform mutually localization between two mobile agents undergoing six-degree-of-freedom motion. Based on the principle of circular motion, the estimation accuracy is sensitive to nonlinear rotations of the…

Robotics · Computer Science 2025-11-27 Ruican Xia , Hailong Pei

We study the overparametrization bounds required for the global convergence of stochastic gradient descent algorithm for a class of one hidden layer feed-forward neural networks, considering most of the activation functions used in…

Machine Learning · Computer Science 2022-11-17 Bartłomiej Polaczyk , Jacek Cyranka

Nowadays, Semi-Supervised Object Detection (SSOD) is a hot topic, since, while it is rather easy to collect images for creating a new dataset, labeling them is still an expensive and time-consuming task. One of the successful methods to…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Leonardo Rossi , Akbar Karimi , Andrea Prati

Orthogonality constraints naturally appear in many machine learning problems, from principal component analysis to robust neural network training. They are usually solved using Riemannian optimization algorithms, which minimize the…

Machine Learning · Statistics 2025-08-08 Pierre Ablin , Simon Vary , Bin Gao , P. -A. Absil

Fish tracking plays a vital role in understanding fish behavior and ecology. However, existing tracking methods face challenges in accuracy and robustness dues to morphological change of fish, occlusion and complex environment. This paper…

Computer Vision and Pattern Recognition · Computer Science 2023-09-25 Shuo Liu , Lulu Han , Xiaoyang Liu , Junli Ren , Fang Wang , YingLiu , Yuanshan Lin

In recent years, many semantic segmentation methods have been proposed to predict label of pixels in the scene. In general, we measure area prediction errors or boundary prediction errors for comparing methods. However, there is no…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Yeong-Jun Cho

Segmentation evaluation metrics traditionally rely on binary decision logic: predictions are either correct or incorrect, based on rigid IoU thresholds. Detection--based metrics such as F1 and mAP determine correctness at the object level…

Computer Vision and Pattern Recognition · Computer Science 2025-05-28 Ranit Karmakar , Simon F. Nørrelykke

We study the problem of minimizing a $m$-weakly convex and possibly nonsmooth function. Weak convexity provides a broad framework that subsumes convex, smooth, and many composite nonconvex functions. In this work, we propose a…

Optimization and Control · Mathematics 2025-09-04 Feng-Yi Liao , Yang Zheng

Robotic applications are continuously striving towards higher levels of autonomy. To achieve that goal, a highly robust and accurate state estimation is indispensable. Combining visual and inertial sensor modalities has proven to yield…

Robotics · Computer Science 2022-08-02 Simon Boche , Xingxing Zuo , Simon Schaefer , Stefan Leutenegger

Positioning is a prominent field of study, notably focusing on Visual Inertial Odometry (VIO) and Simultaneous Localization and Mapping (SLAM) methods. Despite their advancements, these methods often encounter dead-reckoning errors that…

Robotics · Computer Science 2024-08-13 Pouyan Navard , Alper Yilmaz

Drone-based target detection presents inherent challenges, such as the high density and overlap of targets in drone-based images, as well as the blurriness of targets under varying lighting conditions, which complicates identification.…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Yuchen Zheng , Yuxin Jing , Jufeng Zhao , Guangmang Cui

Direct methods for event-based visual odometry solve the mapping and camera pose tracking sub-problems by establishing implicit data association in a way that the generative model of events is exploited. The main bottlenecks faced by…

Robotics · Computer Science 2024-05-08 Junkai Niu , Sheng Zhong , Yi Zhou

We consider the problem of relative pose regression in visual relocalization. Recently, several promising approaches have emerged in this area. We claim that even though they demonstrate on the same datasets using the same split to train…

Computer Vision and Pattern Recognition · Computer Science 2020-09-25 Amir Shalev , Omer Achrack , Brian Fulkerson , Ben-Zion Bobrovsky