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In this paper we study monitoring of real-time systems with respect to properties expressed either in Metric Interval Temporal Logic or as Timed B\"uchi Automata. We offer efficient symbolic online monitoring algorithms in a number of…

Formal Languages and Automata Theory · Computer Science 2025-09-30 Thomas Møller Grosen , Sean Kauffman , Kim Guldstrand Larsen , Martin Zimmermann

Using magnetic field maps acquired by the Helioseismic and Magnetic Imager on board the Solar Dynamics Observatory we measured rotation rates of 864 active and 322 ephemeral regions observed between 2010 and 2016. We found smaller magnetic…

Solar and Stellar Astrophysics · Physics 2020-11-25 Alexander S. Kutsenko

Unmanned and intelligent agricultural systems are crucial for enhancing agricultural efficiency and for helping mitigate the effect of labor shortage. However, unlike urban environments, agricultural fields impose distinct and unique…

Robotics · Computer Science 2024-12-05 Hanzhe Teng , Yipeng Wang , Dimitrios Chatziparaschis , Konstantinos Karydis

RGBT tracking has been widely used in various fields such as robotics, surveillance processing, and autonomous driving. Existing RGBT trackers fully explore the spatial information between the template and the search region and locate the…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Hongyu Wang , Xiaotao Liu , Yifan Li , Meng Sun , Dian Yuan , Jing Liu

The solar dipole moment at activity minimum is a good predictor of the strength of the subsequent solar cycle. Through a systematic analysis using a state-of-the-art 2$\times$2 D solar dynamo model, we found that bipolar magnetic regions…

Solar and Stellar Astrophysics · Physics 2019-09-18 Melinda Nagy , Alexandre Lemerle , Paul Charbonneau

Multi-modal object tracking has attracted considerable attention by integrating multiple complementary inputs (e.g., thermal, depth, and event data) to achieve outstanding performance. Although current general-purpose multi-modal trackers…

Computer Vision and Pattern Recognition · Computer Science 2026-01-22 Qihua Liang , Liang Chen , Yaozong Zheng , Jian Nong , Zhiyi Mo , Bineng Zhong

UK Biobank (UKB) conducts large-scale examinations of more than half a million volunteers, collecting health-related information on genetics, lifestyle, blood biochemistry, and more. Medical imaging of 100,000 subjects, with 70,000…

Image and Video Processing · Electrical Eng. & Systems 2021-09-15 Taro Langner , Andrés Martínez Mora , Robin Strand , Håkan Ahlström , Joel Kullberg

Magnetized stars exhibit periodic variations of their longitudinal global magnetic fields, $B_e$, owing to rotation. Here, we present the second catalog of averaged stellar magnetic rotational phase curves and their parameters derived from…

Solar and Stellar Astrophysics · Physics 2021-08-11 V. D. Bychkov , L. V. Bychkova , J. Madej

A new data product from the Helioseismic and Magnetic Imager (HMI) onboard the Solar Dynamics Observatory (SDO) called Space-weather HMI Active Region Patches (SHARPs) is now available. SDO/HMI is the first space-based instrument to map the…

Solar and Stellar Astrophysics · Physics 2014-04-08 Monica G. Bobra , Xudong Sun , J. Todd Hoeksema , Michael J. Turmon , Yang Liu , Keiji Hayashi , Graham Barnes , K. D. Leka

Adverse space weather effects can often be traced to solar flares, prediction of which has drawn significant research interests. The Helioseismic and Magnetic Imager (HMI) produces full-disk vector magnetograms with continuous high cadence,…

Solar and Stellar Astrophysics · Physics 2017-07-26 Chang Liu , Na Deng , Jason T. L. Wang , Haimin Wang

Mean motion resonances (MMR) are a frequent phenomenon among extrasolar planetary systems. Current observations indicate that many systems have planets that are close to or inside the 2:1 MMR, when the orbital period of one of the planets…

Earth and Planetary Astrophysics · Physics 2023-05-24 Cristian Giuppone , Adrián Rodríguez , Viviam Alencastro , Fernando Roig , Tabaré Gallardo

The statistical expectation values of the temperature fluctuations of cosmic microwave background (CMB) are assumed to be preserved under rotations of the sky. We investigate the statistical isotropy of the CMB anisotropy maps recently…

Astrophysics · Physics 2007-05-23 Tarun Souradeep , Amir Hajian

The DEEP-South photometric census of small Solar System bodies produces massive time-series data of variable, transient or moving objects as a by-product. To fully investigate unexplored variable phenomena, we present an application of…

Instrumentation and Methods for Astrophysics · Physics 2018-10-09 Seo-Won Chang , Yong-Ik Byun , Min-Su Shin , Hahn Yi , Myung-Jin Kim , Hong-Kyu Moon , Young-Jun Choi , Sang-Mok Cha , Yongseok Lee

Identification of solar coronal holes (CHs) provides information both for operational space weather forecasting and long-term investigation of solar activity. Source data for the first problem are typically most recent solar disk…

Solar and Stellar Astrophysics · Physics 2020-11-18 Egor Illarionov , Alexander Kosovichev , Andrey Tlatov

We present a novel dataset covering seasonal and challenging perceptual conditions for autonomous driving. Among others, it enables research on visual odometry, global place recognition, and map-based re-localization tracking. The data was…

Computer Vision and Pattern Recognition · Computer Science 2025-06-23 Patrick Wenzel , Rui Wang , Nan Yang , Qing Cheng , Qadeer Khan , Lukas von Stumberg , Niclas Zeller , Daniel Cremers

Predicting an individual's aging trajectory is a central challenge in preventative medicine and bioinformatics. While machine learning models can predict chronological age from biomarkers, they often fail to capture the dynamic,…

Machine Learning · Computer Science 2025-08-14 Nazira Dunbayeva , Yulong Li , Yutong Xie , Imran Razzak

Omni-directional mobile robot (OMR) systems have been very popular in academia and industry for their superb maneuverability and flexibility. Yet their potential has not been fully exploited, where the extra degree of freedom in OMR can…

Robotics · Computer Science 2021-08-03 Cheng Gong , Zirui Li , Xingyu Zhou , Jiachen Li , Jianwei Gong , Junhui Zhou

Manifestations of the solar magnetic activity through periodicities of about 11 and 2 years are now clearly seen in all solar activity indices.In this paper, we add information about the mechanism driving the 2 year period by studying the…

Solar and Stellar Astrophysics · Physics 2015-06-11 R. Simoniello , K. Jain , S. C. Tripathy , S. Turck-Chieze , C. Baldner , W. Finsterle , F. Hill , M. Roth

A deep learning network, Long-Short Term Memory (LSTM) network, is used in this work to predict whether the maximum flare class an active region (AR) will produce in the next 24 hours is class $\Gamma$. We considered $\Gamma$ are $\ge M$,…

Solar and Stellar Astrophysics · Physics 2020-05-27 Xiantong Wang , Yang Chen , Gabor Toth , Ward B. Manchester , Tamas I. Gombosi , Alfred O. Hero , Zhenbang Jiao , Hu Sun , Meng Jin , Yang Liu

Our binary evolutionary code predicted until now the position of both stars in the HRD, the characteristics of the accretion disk around the gainer in the case that there is enough space between both stars for this disk. Our code includes a…

Solar and Stellar Astrophysics · Physics 2020-10-28 Walter van Rensbergen , Jean Pierre de Greve