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The Gemini Planet (GPI) imager is an "extreme" adaptive optics system being designed and built for the Gemini Observatory. GPI combines precise and accurate wavefront control, diffraction suppression, and a speckle-suppressing science…

INAF Trieste Astronomical Observatory (OATs) has a long tradition in information technology applied to Astronomical and Astrophysical use cases, particularly for what regards computing for data reduction, analysis and simulations; data and…

Instrumentation and Methods for Astrophysics · Physics 2019-12-12 S. Bertocco , D. Goz , L. Tornatore , A. Ragagnin , G. Maggio , F. Gasparo , C. Vuerli , G. Taffoni , M. Molinaro

In this paper, we present a novel algorithm for point cloud registration for range sensors capable of measuring per-return instantaneous radial velocity: Doppler ICP. Existing variants of ICP that solely rely on geometry or other features…

Robotics · Computer Science 2022-06-01 Bruno Hexsel , Heethesh Vhavle , Yi Chen

In this paper, we propose a novel probabilistic variant of iterative closest point (ICP) dubbed as CoBigICP. The method leverages both local geometrical information and global noise characteristics. Locally, the 3D structure of both target…

Robotics · Computer Science 2023-01-24 Pengyu Yin , Di Wang , Shaoyi Du , Shihui Ying , Yue Gao , Nanning Zheng

Astronomy is experiencing a rapid growth in data size and complexity. This change fosters the development of data-driven science as a useful companion to the common model-driven data analysis paradigm, where astronomers develop automatic…

Instrumentation and Methods for Astrophysics · Physics 2019-04-17 Dalya Baron

This paper presents a novel method for assessing the resilience of the ICP algorithm via learning-based, worst-case attacks on lidar point clouds. For safety-critical applications such as autonomous navigation, ensuring the resilience of…

Robotics · Computer Science 2025-09-10 Ziyu Zhang , Johann Laconte , Daniil Lisus , Timothy D. Barfoot

Underwater gliders are widely utilized for ocean sampling, surveillance, and other various oceanic applications. In the context of complex ocean environments, gliders may yield poor navigation performance due to strong ocean currents, thus…

Robotics · Computer Science 2023-12-21 Ruochu Yang , Mengxue Hou , Chad Lembke , Catherine Edwards , Fumin Zhang

A scientific instrument comprised of a global network of millions of independent, connected, remote devices presents unique data acquisition challenges. We describe the software design of a mobile application which collects data from…

Instrumentation and Methods for Astrophysics · Physics 2021-08-11 Jeff Swaney , Chase Shimmin , Daniel Whiteson

We propose a one-class neural network (OC-NN) model to detect anomalies in complex data sets. OC-NN combines the ability of deep networks to extract a progressively rich representation of data with the one-class objective of creating a…

Machine Learning · Computer Science 2019-01-14 Raghavendra Chalapathy , Aditya Krishna Menon , Sanjay Chawla

The Gemini Planet Imager (GPI) has been designed for the direct detection and characterization of exoplanets and circumstellar disks. GPI is equipped with a dual channel polarimetry mode designed to take advantage of the inherently…

The second observational campaign of gravitational waves organized by the LIGO/Virgo Collaborations has led to several breakthroughs such as the detection of gravitational wave signals from merger systems involving black holes or neutrons…

With the increasing use of Machine Learning (ML) algorithms in scientific research comes the need for reliable uncertainty quantification. When taking a measurement it is not enough to provide the result, we also have to declare how…

General Relativity and Quantum Cosmology · Physics 2025-05-09 Ann-Kristin Malz , Gregory Ashton , Nicolo Colombo

We present DeepICP - a novel end-to-end learning-based 3D point cloud registration framework that achieves comparable registration accuracy to prior state-of-the-art geometric methods. Different from other keypoint based methods where a…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Weixin Lu , Guowei Wan , Yao Zhou , Xiangyu Fu , Pengfei Yuan , Shiyu Song

Existing work on object detection often relies on a single form of annotation: the model is trained using either accurate yet costly bounding boxes or cheaper but less expressive image-level tags. However, real-world annotations are often…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Zhongzheng Ren , Zhiding Yu , Xiaodong Yang , Ming-Yu Liu , Alexander G. Schwing , Jan Kautz

Deployment, operation and maintenance of large IT systems becomes increasingly complex and puts human experts under extreme stress when problems occur. Therefore, utilization of machine learning (ML) and artificial intelligence (AI) is…

Machine Learning · Computer Science 2021-07-30 Dominik Scheinert , Alexander Acker

This paper presents OCTOPUS, a relativistic ray-tracing algorithm developed within a Fortran-based, OpenMP-accelerated framework, designed for asymptotically flat, spherically symmetric curved spacetimes. The code efficiently and accurately…

General Relativity and Quantum Cosmology · Physics 2025-10-15 Shiyang Hu , Shijie Tan , Dan Li , Lina Zhang , Chen Deng , Wenfu Cao

The number of satellites, especially those operating in low-earth orbit (LEO), is exploding in recent years. Additionally, the use of COTS hardware into those satellites enables a new paradigm of computing: orbital edge computing (OEC). OEC…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-07-11 Changhao Wu , Yuanchun Li , Mengwei Xu , Chongbin Guo , Zengshan Yin , Weiwei Gao , Chuanxiu Chi

This study concerns with the diagnosis of aerospace structure defects by applying a HPC parallel implementation of a novel learning algorithm, named U-BRAIN. The Soft Computing approach allows advanced multi-parameter data processing in…

Artificial Intelligence · Computer Science 2016-10-19 Gianni D'Angelo , Salvatore Rampone

One of the products of the National Solar Observatory's Integrated Synoptic Program (NISP) is the farside seismic map which shows the magnetic activity on the unobserved side of the Sun. The production of these rudimentary maps began in…

Solar and Stellar Astrophysics · Physics 2024-02-27 Mitchell Creelman , Kiran Jain , Niles Oien , Thomas M. Wentzel

In this paper we approach the astronomy teaching process for the students in computer sciences through the controlled investigation method on real astronomical data, using data reduction and quality control of the astrometry of near-Earth…

Instrumentation and Methods for Astrophysics · Physics 2018-02-26 A. L. Boldea , O. Vaduvescu