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This paper provides a comprehensive guide to gravitational wave data processing, with a particular focus on signal generation, noise modeling, and optimization techniques. Beginning with an introduction to gravitational waves and the…

Instrumentation and Methods for Astrophysics · Physics 2024-10-17 Jingxu Wu , YuWei Yin , Chenjia Li , Yan Wang

This work describes a template-free method to search gravitational waves (GW) using data from the LIGO observatories simultaneously. The basic idea of this method is that a GW signal is present in a short-duration data segment if the…

General Relativity and Quantum Cosmology · Physics 2021-05-07 Javier M. Antelis , Claudia Moreno

Space objects in Geostationary Earth Orbit (GEO) present significant detection challenges in optical imaging due to weak signals, complex stellar backgrounds, and environmental interference. In this paper, we enhance high-frequency features…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Xiaoqing Lan , Biqiao Xin , Bingshu Wang , Han Zhang , Rui Zhu , Laixian Zhang

Twenty years ago, construction began on the Laser Interferometer Gravitational-wave Observatory (LIGO). Advanced LIGO, with a factor of ten better design sensitivity than Initial LIGO, will begin taking data this year, and should soon make…

Instrumentation and Methods for Astrophysics · Physics 2015-05-15 Sheila E. Dwyer , Daniel Sigg , Stefan Ballmer , Lisa Barsotti , Nergis Mavalvala , Matthew Evans

The gravitational-wave (GW) detector data are affected by short-lived instrumental or terrestrial transients, called glitches, which can simulate GW signals. Mitigation of glitches is particularly difficult for algorithms which target…

General Relativity and Quantum Cosmology · Physics 2023-06-21 Sophie Bini , Gabriele Vedovato , Marco Drago , Francesco Salemi , Giovanni Andrea Prodi

We propose a data processing technique that allows searches for a stochastic background of gravitational radiation with data from a single detector. Our technique exploits the difference between the coherence time of the gravitational wave…

General Relativity and Quantum Cosmology · Physics 2012-05-22 Massimo Tinto , J. W. Armstrong

We show that the Laser Interferometer Gravitational Wave Observatory (LIGO) is a powerful instrument in the Search for Extraterrestrial Intelligence (SETI). LIGO's ability to detect gravitational waves (GWs) from astrophysical sources, such…

Instrumentation and Methods for Astrophysics · Physics 2022-12-27 Luke Sellers , Alexey Bobrick , Gianni Martire , Michael Andrews , Manfred Paulini

Gravitational wave emission is expected to arise from a variety of astrophysical phenomena. A new generation of detectors with sensitivity consistent with expectation from such sources is being developed. The Laser Interferometer…

General Relativity and Quantum Cosmology · Physics 2007-05-23 Barry C. Barish

Gravitational wave echoes have been proposed as a smoking-gun signature of exotic compact objects with near-horizon structure. Recently there have been observational claims that echoes are indeed present in stretches of data from Advanced…

General Relativity and Quantum Cosmology · Physics 2020-03-11 Ka Wa Tsang , Archisman Ghosh , Anuradha Samajdar , Katerina Chatziioannou , Simone Mastrogiovanni , Michalis Agathos , Chris Van Den Broeck

Object detection plays a crucial role in the field of computer vision by autonomously locating and identifying objects of interest. The You Only Look Once (YOLO) model is an effective single-shot detector. However, YOLO faces challenges in…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Yash Zambre , Ekdev Rajkitkul , Akshatha Mohan , Joshua Peeples

Many continuous gravitational wave searches are affected by instrumental spectral lines that could be confused with a continuous astrophysical signal. Several techniques have been developed to limit the effect of these lines by penalising…

Instrumentation and Methods for Astrophysics · Physics 2020-10-28 Joseph Bayley , Chris Messenger , Graham Woan

The noise of gravitational-wave (GW) interferometers limits their sensitivity and impacts the data quality, hindering the detection of GW signals from astrophysical sources. For transient searches, the most problematic are transient noise…

Instrumentation and Methods for Astrophysics · Physics 2022-08-17 Melissa Lopez , Vincent Boudart , Kerwin Buijsman , Amit Reza , Sarah Caudill

Since the first detection of gravitational waves in 2015, gravitational-wave astronomy has emerged as a rapidly advancing field that holds great potential for studying the cosmos, from probing the properties of black holes to testing the…

General Relativity and Quantum Cosmology · Physics 2023-05-17 Anna Liu , Isaac C. F. Wong , Samson H. W. Leong , Anupreeta More , Otto A. Hannuksela , Tjonnie G. F. Li

With the continuous advancement of industrial automation, product quality inspection has become increasingly important in the manufacturing process. Traditional inspection methods, which often rely on manual checks or simple machine vision…

Computer Vision and Pattern Recognition · Computer Science 2024-12-24 Zhen Qi , Liwei Ding , Xiangtian Li , Jiacheng Hu , Bin Lyu , Ao Xiang

The recent discovery of gravitational waves (GW) by LIGO has impressively launched the novel field of gravitational astronomy and it allowed us to glimpse at exciting objects we could so far only speculate about. Further sensitivity…

Gravitational-wave detectors are exquisitely sensitive instruments and routinely enable ground-breaking observations of novel astronomical phenomena. However, they also witness non-stationary, non-Gaussian noise that can be mistaken for…

Instrumentation and Methods for Astrophysics · Physics 2020-05-27 Reed Essick , Patrick Godwin , Chad Hanna , Lindy Blackburn , Erik Katsavounidis

Compact object mergers which produce both detectable gravitational waves and electromagnetic emission can provide valuable insights into the neutron star equation of state, the tension in the Hubble constant, and the origin of the r-process…

Instrumentation and Methods for Astrophysics · Physics 2022-03-30 Thomas C. Abbott , Eitan Buffaz , Nicholas Vieira , Miriam Cabero , Daryl Haggard , Ashish Mahabal , Jess McIver

Gravitational waves (GWs) are unique messengers as they travel through the Universe without alteration except for gravitational lensing. Their long wavelengths make them susceptible to diffraction by cosmic structures, providing an…

General Relativity and Quantum Cosmology · Physics 2026-03-12 Juno C. L. Chan , Jose María Ezquiaga , Rico K. L. Lo , Joey Bowman , Lorena Magaña Zertuche , Luka Vujeva

We introduce a novel methodology for the operation of an early %warning alert system for gravitational waves. It is based on short convolutional neural networks. We focus on compact binary coalescences, for light, intermediate and heavy…

General Relativity and Quantum Cosmology · Physics 2021-05-31 Grégory Baltus , Justin Janquart , Melissa Lopez , Amit Reza , Sarah Caudill , Jean-René Cudell

As two neutron stars merge, they emit gravitational waves that can potentially be detected by earth bound detectors. Matched-filtering based algorithms have traditionally been used to extract quiet signals embedded in noise. We introduce a…

High Energy Astrophysical Phenomena · Physics 2020-09-29 Marlin B. Schäfer , Frank Ohme , Alexander H. Nitz