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Related papers: Radar-based Re-Entry Predictions with very limited…

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Unconstrained remote gaze estimation remains challenging mostly due to its vulnerability to the large variability in head-pose. Prior solutions struggle to maintain reliable accuracy in unconstrained remote gaze tracking. Among them,…

Computer Vision and Pattern Recognition · Computer Science 2020-04-09 Zhecan Wang , Jian Zhao , Cheng Lu , Han Huang , Fan Yang , Lianji Li , Yandong Guo

While building up a catalog of Earth orbiting objects, if the available optical observations are sparse, not deliberate follow ups of specific objects, no orbit determination is possible without previous correlation of observations obtained…

Space Physics · Physics 2015-05-20 A. Milani , G. Tommei , D. Farnocchia , A. Rossi , T. Schildknecht , R. Jehn

Unconstrained gaze estimation is the process of determining where a subject is directing their visual attention in uncontrolled environments. Gaze estimation systems are important for a myriad of tasks such as driver distraction monitoring,…

Computer Vision and Pattern Recognition · Computer Science 2026-03-06 Franko Šikić , Donik Vršnak , Sven Lončarić

It is known that sparse recovery by measurements from random circulant matrices provides good recovery bounds. We generalize this to measurements that arise as a random orbit of a group representation for some finite group G. We derive…

Information Theory · Computer Science 2025-09-17 Hartmut Führ , Timm Gilles

Resilient state recovery of cyber-physical systems has attracted much research attention due to the unique challenges posed by the tight coupling between communication, computation, and the underlying physics of such systems. By modeling…

Optimization and Control · Mathematics 2025-07-31 Yu Zheng , Olugbenga Moses Anubi , Warren E. Dixon

The eROSITA X-ray telescope, launched in 2019, is predicted to observe roughly 100,000 galaxy clusters. Follow-up observations of these clusters from Chandra, for example, will be needed to resolve outstanding questions about galaxy cluster…

Cosmology and Nongalactic Astrophysics · Physics 2022-11-22 John Soltis , Michelle Ntampaka , John Wu , John ZuHone , August Evrard , Arya Farahi , Matthew Ho , Daisuke Nagai

The increase in space activities has increased the risks of space debris generation, affecting space safety and sustainability. Traditional space situational awareness (SSA) relies on single star trackers and ground-based tracking…

Systems and Control · Electrical Eng. & Systems 2026-05-05 Dianle Gong , Peng Hu

The Radiation Assessment Detector (RAD) instrument onboard the Mars Science Laboratory (MSL) mission's Curiosity rover has been measuring galactic cosmic rays (GCR) as well as solar energetic particles (SEP) on the surface of Mars for more…

As the density of spacecraft in Earth's orbit increases, their recognition, pose and trajectory identification becomes crucial for averting potential collisions and executing debris removal operations. However, training models able to…

Computer Vision and Pattern Recognition · Computer Science 2025-01-23 Louis Aberdeen , Mark Hansen , Melvyn L. Smith , Lyndon Smith

The forecast on a time scale of 1 or 2 hours is crucial for all kind of new generation facilities (ELTs) instrumentation supported by the adaptive optics that will be mainly operated in Service Mode. In a recent study (Masciadri et al.…

Instrumentation and Methods for Astrophysics · Physics 2023-08-08 Elena Masciadri , Alessio Turchi , Luca Fini

Initializing the state of a sensorized platform can be challenging, as a limited set of measurements often provide low-informative constraints that are in addition highly non-linear. This may lead to poor initial estimates that may converge…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Samuel Cerezo , Javier Civera

Inertial localisation is an important technique as it enables ego-motion estimation in conditions where external observers are unavailable. However, low-cost inertial sensors are inherently corrupted by bias and noise, which lead to unbound…

Robotics · Computer Science 2023-03-06 James Brotchie , Wenchao Li , Andrew D. Greentree , Allison Kealy

We introduce ICE-TIDE, a method for cryogenic electron tomography (cryo-ET) that simultaneously aligns observations and reconstructs a high-resolution volume. The alignment of tilt series in cryo-ET is a major problem limiting the…

Image and Video Processing · Electrical Eng. & Systems 2024-12-16 Valentin Debarnot , Vinith Kishore , Ricardo D. Righetto , Ivan Dokmanić

We describe systematic ranging, an orbit determination technique especially suitable to assess the near-term Earth impact hazard posed by newly discovered asteroids. For these late warning cases, the time interval covered by the…

Earth and Planetary Astrophysics · Physics 2015-07-15 D. Farnocchia , S. R. Chesley , M. Micheli

We present a forecast for the upcoming Einstein Telescope (ET) interferometer with two new methods to infer cosmological parameters. We consider the emission of Gravitational Waves (GWs) from compact binary coalescences, whose…

Cosmology and Nongalactic Astrophysics · Physics 2024-05-15 Giovanni Antinozzi , Matteo Martinelli , Roberto Maoli

Imitation learning is promising for robotic manipulation, but \emph{precise insertion} in the real world remains difficult due to contact-rich dynamics, tight clearances, and limited demonstrations. Many existing visuomotor policies depend…

Robotics · Computer Science 2026-03-25 Han Sun , Sheng Liu , Yizhao Wang , Zhenning Zhou , Shuai Wang , Haibo Yang , Jingyuan Sun , Qixin Cao

Conventional Feedback-Linearization-based controller, applied to the tilt-rotor (eight inputs), results in the extensive changes in the tilting angles, which are not expected in practice. To solve this problem, we introduce the novel…

Robotics · Computer Science 2022-02-14 Zhe Shen , Takeshi Tsuchiya

When quantifying the time spent in the transient of a complex dynamical system, the fundamental problem is that for a large class of systems the actual time for reaching an attractor is infinite. Common methods for dealing with this problem…

Chaotic Dynamics · Physics 2017-09-13 Tim Kittel , Jobst Heitzig , Kevin Webster , Juergen Kurths

The persistent lack of spatially complete Antarctic sea ice thickness (SIT) data at sub-monthly resolution has fundamentally constrained the quantitative understanding of large-scale sea ice mass balance processes. In this study, a…

Geophysics · Physics 2025-05-13 Ziqi Ma , Qinghua Yang , Yue Xu , Wen Shi , Xiaoran Dong , Qian Shi , Hao Luo , Jiping Liu , Petteri Uotila , Yafei Nie

When new objects are detected in the sky, an orbit determination needs to be performed immediately to find out their origin, to determine the probability of an Earth impact and possibly also to estimate the impact region on Earth. ESA's…

Earth and Planetary Astrophysics · Physics 2019-03-21 Michael Frühauf , Marco Micheli , Toni Santana-Ros , Rüdiger Jehn , Detlef Koschny , Olga Ramirez Torralba
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