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Efficient multi-dimensional template placement is crucial in computationally intensive matched-filtering searches for Gravitational Waves (GWs). Here, we implement the Neighboring Cell Algorithm (NCA) to improve the detection volume of an…

General Relativity and Quantum Cosmology · Physics 2018-06-13 Nathaniel Indik , Henning Fehrmann , Franz Harke , Badri Krishnan , Alex B. Nielsen

The most sensitive search pipelines for gravitational waves from compact binary mergers use matched filters to extract signals from the noisy data stream coming from gravitational wave detectors. Matched-filter searches require banks of…

We estimate the number of templates, computational power, and storage required for a one-step matched filtering search for gravitational waves from inspiraling compact binaries. These estimates should serve as benchmarks for the evaluation…

General Relativity and Quantum Cosmology · Physics 2009-12-30 Benjamin J. Owen , B. S. Sathyaprakash

We construct efficient banks of templates suitable for all-sky narrow-band searches of almost monochromatic gravitational waves originating from spinning neutron stars in our Galaxy in data collected by interferometric detectors. We…

General Relativity and Quantum Cosmology · Physics 2015-08-10 Andrzej Pisarski , Piotr Jaranowski

Random projection (RP) is a powerful dimension reduction technique widely used in the analysis of high dimensional data. We demonstrate how this technique can be used to improve the computational efficiency of gravitational wave searches…

General Relativity and Quantum Cosmology · Physics 2019-06-11 Sumeet Kulkarni , Khun Sang Phukon , Amit Reza , Sukanta Bose , Anirban Dasgupta , Dilip Krishnaswamy , Anand S. Sengupta

We present a novel gravitational wave detection algorithm that conducts a matched filter search stochastically across the compact binary parameter space rather than relying on a fixed bank of template waveforms. This technique is…

We construct efficient banks of templates suitable for directed searches of almost monochromatic gravitational waves originating from spinning nuetron stars in our Galaxy in data being collected by currently operating interferometric…

General Relativity and Quantum Cosmology · Physics 2011-02-15 Andrzej Pisarski , Piotr Jaranowski , Maciej Pietka

Matched filtering is a popular data analysis framework used to search for gravitational wave signals emitted by compact object binaries. The templates used in matched filtering searches are constructed predominantly from the quadrupolar…

General Relativity and Quantum Cosmology · Physics 2013-08-13 James Healy , Pablo Laguna , Larne Pekowsky , Deirdre Shoemaker

The prior knowledge of the gravitational waveform from compact binary systems makes matched filtering an attractive detection strategy. This detection method involves the filtering of the detector output with a set of theoretical waveforms…

General Relativity and Quantum Cosmology · Physics 2009-11-07 Edward K. Porter

Coalescence of two massive black holes is the strongest and most promising source for LISA. In fact, gravitational signal from the end of inspiral and merger will be detectable throughout the Universe. In this article we describe the first…

General Relativity and Quantum Cosmology · Physics 2008-11-26 Stanislav Babak

Efficient searches for gravitational waves from compact binary coalescence are crucial for gravitational wave observations. We present a proof-of-concept for a method that utilizes a neural network taking an SNR map, a stack of SNR time…

General Relativity and Quantum Cosmology · Physics 2025-12-16 Takahiro S. Yamamoto , Kipp Cannon , Hayato Motohashi , Hiroaki W. H. Tahara

Nearly all template-based gravitational wave (GW) searches only include the quasi-circular quadrupolar modes of the signals in their templates. Including additional degrees of freedom in the GW templates corresponding to higher-order…

General Relativity and Quantum Cosmology · Physics 2024-09-10 Digvijay Wadekar , Tejaswi Venumadhav , Javier Roulet , Ajit Kumar Mehta , Barak Zackay , Jonathan Mushkin , Matias Zaldarriaga

The detection of gravitational waves from binary neutron stars is a major goal of the gravitational-wave observatories Advanced LIGO and Advanced Virgo. Previous searches for binary neutron stars with LIGO and Virgo neglected the component…

General Relativity and Quantum Cosmology · Physics 2012-10-16 Duncan A. Brown , Ian Harry , Andrew Lundgren , Alexander H. Nitz

We study the effect of spins on searches for gravitational waves from compact binary coalescences in realistic simulated early advanced LIGO data. We construct a detection pipeline including matched filtering, signal-based vetoes, a…

Searches for gravitational waves (GWs) from binary black holes using interferometric GW detectors require the construction of template banks for performing matched filtering while analyzing the data. Placement of templates over the…

General Relativity and Quantum Cosmology · Physics 2015-06-24 Chinmay Kalaghatgi , Parameswaran Ajith , K. G. Arun

Gravitational waves (GW) from coalescing stellar-mass black hole binaries (BBH) are expected to be detected by the Advanced Laser Interferometer Gravitational-wave Observatory and Advanced Virgo. Detection searches operate by…

Matched filtering is a common method for detecting gravitational waves. However, the computational costs of searching large template banks limit the efficiency of classical algorithms when searching for massive black hole binary (MBHB)…

Instrumentation and Methods for Astrophysics · Physics 2025-10-20 Fangzhou Guo , Jibo He

The matched filtering paradigm is the mainstay of gravitational wave (GW) searches from astrophysical coalescing compact binaries. The compact binary coalescence (CBC) search pipelines perform the matched filter between the GW detector's…

General Relativity and Quantum Cosmology · Physics 2024-06-19 Chetan Verma , Amit Reza , Dilip Krishnaswamy , Sarah Caudill , Gurudatt Gaur

Coalescing binary black holes (BBHs) are among the most likely sources for the Laser Interferometer Gravitational-wave Observatory (LIGO) and its international partners Virgo and KAGRA. Optimal searches for BBHs require accurate waveforms…

General Relativity and Quantum Cosmology · Physics 2013-12-10 Duncan A. Brown , Prayush Kumar , Alexander H. Nitz

Current matched-filter searches for gravitational waves from binary black-hole mergers compare the calibrated detector data to waveform templates that omit the higher-order mode content of the signals predicted by General Relativity.…

General Relativity and Quantum Cosmology · Physics 2022-12-14 Koustav Chandra , Juan Calderón Bustillo , Archana Pai , Ian Harry