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Recent years have witnessed tremendous progress in numerical relativity and an ever improving performance of ground-based interferometric gravitational wave detectors. In preparation for Advanced LIGO and a new era in gravitational wave…

General Relativity and Quantum Cosmology · Physics 2011-02-18 Sebastian Fischetti , James Healy , Laura Cadonati , Lionel London , Satyanarayan R. P. Mohapatra , Deirdre Shoemaker

This paper presents an adaptive convolutional neural network (CNN) architecture that can automate diverse topology optimization (TO) problems having different underlying physics. The architecture uses the encoder-decoder networks with dense…

Computational Engineering, Finance, and Science · Computer Science 2025-09-10 Khaish Singh Chadha , Prabhat Kumar

Current searches for gravitational waves (GWs) from black hole binaries using the LIGO and Virgo observatories are limited to analytical models for systems with black hole spins aligned (or anti-aligned) with the orbital angular momentum of…

General Relativity and Quantum Cosmology · Physics 2024-07-26 Chetan Verma , Amit Reza , Gurudatt Gaur , Dilip Krishnaswamy , Sarah Caudill

We study the approximation properties of convolutional architectures applied to time series modelling, which can be formulated mathematically as a functional approximation problem. In the recurrent setting, recent results reveal an…

Machine Learning · Computer Science 2021-07-21 Haotian Jiang , Zhong Li , Qianxiao Li

Deep learning can be used to drastically decrease the processing time of parameter estimation for coalescing binaries of compact objects including black holes and neutron stars detected in gravitational waves (GWs). As a first step, we…

Instrumentation and Methods for Astrophysics · Physics 2022-01-28 Alistair McLeod , Daniel Jacobs , Chayan Chatterjee , Linqing Wen , Fiona Panther

A novel approach to binary black hole gravitational wave analysis improves the process of inferring black hole properties by selecting the most accurate waveform model for each region of the parameter space, resulting in tighter constraints…

General Relativity and Quantum Cosmology · Physics 2025-08-20 Zack Carson

We investigate the connections between neural networks and simple building blocks in kernel space. In particular, using well established feature space tools such as direct sum, averaging, and moment lifting, we present an algebra for…

Spiking neural networks (SNNs) can be used in low-power and embedded systems (such as emerging neuromorphic chips) due to their event-based nature. Also, they have the advantage of low computation cost in contrast to conventional artificial…

Computer Vision and Pattern Recognition · Computer Science 2021-01-20 Ali Samadzadeh , Fatemeh Sadat Tabatabaei Far , Ali Javadi , Ahmad Nickabadi , Morteza Haghir Chehreghani

Convolutional Neural Networks are extensively used in a wide range of applications, commonly including computer vision tasks like image and video classification, recognition, and segmentation. Recent research results demonstrate that…

Signal Processing · Electrical Eng. & Systems 2020-05-11 Marco Carreras , Gianfranco Deriu , Luigi Raffo , Luca Benini , Paolo Meloni

While deep learning has reduced the prevalence of manual feature extraction, transformation of data via feature engineering remains essential for improving model performance, particularly for underwater acoustic signals. The methods by…

Gravitational waves emitted by neutron star black hole mergers encode key properties of neutron stars - such as their size, maximum mass and spins - and black holes. However, the presence of matter and the high mass ratio makes generating…

General Relativity and Quantum Cosmology · Physics 2021-04-14 Yiwen Huang , Carl-Johan Haster , Salvatore Vitale , Vijay Varma , Francois Foucart , Sylvia Biscoveanu

Convolutional neural networks (CNNs) have become widely adopted in gravitational wave (GW) detection pipelines due to their ability to automatically learn hierarchical features from raw strain data. However, the physical meaning of these…

Machine Learning · Computer Science 2025-10-28 Jun Tian , He Wang , Jibo He , Yu Pan , Shuo Cao , Qingquan Jiang

We propose a novel approach to detecting the elusive gravitational-wave memory predicted by general relativity to accompany black hole mergers: direct measurement of the permanent space-time strain offset. Compared to previous techniques…

General Relativity and Quantum Cosmology · Physics 2024-01-09 Jeffrey D. Scargle , Zhoujian Cao , Zhi-Chao Zhao

Machine learning models differ in terms of accuracy, computational/memory complexity, training time, and adaptability among other characteristics. For example, neural networks (NNs) are well-known for their high accuracy due to the quality…

Machine Learning · Computer Science 2020-08-05 Mahdi Nazemi , Amirhossein Esmaili , Arash Fayyazi , Massoud Pedram

Neural Architecture Search (NAS) is quickly becoming the go-to approach to optimize the structure of Deep Learning (DL) models for complex tasks such as Image Classification or Object Detection. However, many other relevant applications of…

A long-standing proposition is that by emulating the operation of the brain's neocortex, a spiking neural network (SNN) can achieve similar desirable features: flexible learning, speed, and efficiency. Temporal neural networks (TNNs) are…

Neural and Evolutionary Computing · Computer Science 2021-02-24 James E. Smith

The measurement of multiple ringdown modes in gravitational waves from binary black hole mergers will allow for testing fundamental properties of black holes in General Relativity, and to constrain modified theories of gravity. To enhance…

General Relativity and Quantum Cosmology · Physics 2017-04-26 Huan Yang , Kent Yagi , Jonathan Blackman , Luis Lehner , Vasileios Paschalidis , Frans Pretorius , Nicolas Yunes

Network intrusion detection is critical for securing modern networks, yet the complexity of network traffic poses significant challenges to traditional methods. This study proposes a Temporal Convolutional Network(TCN) model featuring a…

Cryptography and Security · Computer Science 2025-02-11 Rukmini Nazre , Rujuta Budke , Omkar Oak , Suraj Sawant , Amit Joshi

The inspiral and merger of black-hole binary systems are a promising source of gravitational waves. The most effective method to look for a signal with a well understood waveform, such as the binary black hole signal, is matched filtering…

General Relativity and Quantum Cosmology · Physics 2014-05-15 Larne Pekowsky , James Healy , Deirdre Shoemaker , Pablo Laguna

Nowadays, we mainly use various convolution neural network (CNN) structures to extract features from radio data or spectrogram in AMR. Based on expert experience and spectrograms, they not only increase the difficulty of preprocessing, but…

Signal Processing · Electrical Eng. & Systems 2019-12-10 Miao Du , Qin Yu , Shaomin Fei , Chen Wang , Xiaofeng Gong , Ruisen Luo