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We introduce deep learning models to estimate the masses of the binary components of black hole mergers, $(m_1,m_2)$, and three astrophysical properties of the post-merger compact remnant, namely, the final spin, $a_f$, and the frequency…

广义相对论与量子宇宙学 · 物理学 2021-12-21 Hongyu Shen , E. A. Huerta , Eamonn O'Shea , Prayush Kumar , Zhizhen Zhao

We introduce TemplateGeNN, a fast stochastic template bank generation algorithm which uses Graphical Processing Units (GPUs) and a LearningMatch model (Siamese neural network). TemplateGeNN generated a binary black hole template bank (chirp…

广义相对论与量子宇宙学 · 物理学 2025-02-24 Susanna Green , Andrew Lundgren

Gravitational radiation from a slightly distorted black hole with ringdown waveform is well understood in general relativity. It provides a probe for direct observation of black holes and determination of their physical parameters, masses…

广义相对论与量子宇宙学 · 物理学 2009-10-09 Yoshiki Tsunesada , Nobuyuki Kanda , Hiroyuki Nakano , Daisuke Tatsumi , Masaki Ando , Misao Sasaki , Hideyuki Tagoshi , Hirotaka Takahashi

We introduce a convolutional recurrent neural network (CRNN) for music tagging. CRNNs take advantage of convolutional neural networks (CNNs) for local feature extraction and recurrent neural networks for temporal summarisation of the…

神经与进化计算 · 计算机科学 2016-12-22 Keunwoo Choi , George Fazekas , Mark Sandler , Kyunghyun Cho

In this work, we explore the intersection of sparse coding theory and deep learning to enhance our understanding of feature extraction capabilities in advanced neural network architectures. We begin by introducing a novel class of Deep…

机器学习 · 计算机科学 2025-12-05 Jianfei Li , Han Feng , Ding-Xuan Zhou

Deep learning has shown great potential for automated medical image segmentation to improve the precision and speed of disease diagnostics. However, the task presents significant difficulties due to variations in the scale, shape, texture,…

图像与视频处理 · 电气工程与系统科学 2024-09-06 Shahzaib Iqbal , Tariq M. Khan , Syed S. Naqvi , Asim Naveed , Erik Meijering

We present a prescription for computing gravitational waveforms for the inspiral, merger and ringdown of non-spinning eccentric binary black hole systems. The inspiral waveform is computed using the post-Newtonian expansion and the merger…

广义相对论与量子宇宙学 · 物理学 2018-08-15 Ian Hinder , Lawrence E. Kidder , Harald P. Pfeiffer

The detection and subsequent inference of binary black hole signals rely heavily on the accuracy of the waveform model employed. In the highly non-linear, dynamic, and strong-field regime near merger, these waveforms can only be accurately…

广义相对论与量子宇宙学 · 物理学 2025-06-02 Alireza Rashti , Rossella Gamba , Koustav Chandra , David Radice , Boris Daszuta , William Cook , Sebastiano Bernuzzi

Subjected to the tidal field of its companion, each component of a coalescing black hole binary suffers a slow change in its mass (tidal heating) and spin (tidal torquing) during the inspiral and merger. This effect modifies the phase and…

广义相对论与量子宇宙学 · 物理学 2024-12-13 Samanwaya Mukherjee , Khun Sang Phukon , Sayak Datta , Sukanta Bose

Binary black hole (BBH) mergers detected via gravitational waves are addressing key open questions in astrophysics, cosmology, and fundamental physics. Our scientific conclusions rely on extracting accurate source parameters, for which we…

广义相对论与量子宇宙学 · 物理学 2026-03-30 Parthapratim Mahapatra , Jonathan E. Thompson , Edward Fauchon-Jones , Mark Hannam

We present new techniqes for evolving binary black hole systems which allow the accurate determination of gravitational waveforms directly from the wave zone region of the numerical simulations. Rather than excising the black hole…

广义相对论与量子宇宙学 · 物理学 2008-11-26 John G. Baker , Joan Centrella , Dae-Il Choi , Michael Koppitz , James van Meter

We demonstrate Bayesian analyses of the complete gravitational-wave spectrum of binary neutron star mergers events with the next-generation detector Einstein Telescope. Our mock analyses are performed for 20 different signals using the…

广义相对论与量子宇宙学 · 物理学 2026-02-12 Giulia Huez , Sebastiano Bernuzzi , Matteo Breschi , Rossella Gamba

Overlapping signals represent one of the major data analysis challenges in next-generation gravitational wave detectors. We leverage Transformers and Normalizing Flows, state-of-the-art machine learning algorithms, to address the parameter…

广义相对论与量子宇宙学 · 物理学 2025-05-06 Lucia Papalini , Federico De Santi , Massimiliano Razzano , Ik Siong Heng , Elena Cuoco

Convolutional Neural Networks (CNNs) excel at extracting local features hierarchically, but their performance in capturing complex correlations hinges heavily on deep architectures, which are usually computationally demanding and difficult…

计算机视觉与模式识别 · 计算机科学 2026-04-10 Chia-Wei Hsing , Wei-Lin Tu

Convolutional Neural Networks (CNNs) specialize in feature extraction rather than function mapping. In doing so they form complex internal hierarchical feature representations, the complexity of which gradually increases with a…

神经与进化计算 · 计算机科学 2021-05-11 Nidhi Gowdra , Roopak Sinha , Stephen MacDonell

Temporal Graph Neural Networks (TGNNs) are powerful models to capture temporal, structural, and contextual information on temporal graphs. The generated temporal node embeddings outperform other methods in many downstream tasks. Real-world…

硬件体系结构 · 计算机科学 2022-03-11 Hongkuan Zhou , Bingyi Zhang , Rajgopal Kannan , Viktor Prasanna , Carl Busart

Gravitational wave detection requires an in-depth understanding of the physical properties of gravitational wave signals, and the noise from which they are extracted. Understanding the statistical properties of noise is a complex endeavor,…

广义相对论与量子宇宙学 · 物理学 2019-12-05 Wei Wei , E. A. Huerta

Convolutional neural network (CNN) modules are widely being used to build high-end speech enhancement neural models. However, the feature extraction power of vanilla CNN modules has been limited by the dimensionality constraint of the…

音频与语音处理 · 电气工程与系统科学 2021-06-07 Muhammed PV Shifas , Santelli Claudio , Vassilis Tsiaras , Yannis Stylianou

We present a novel machine-learning approach to estimate selection effects in gravitational-wave observations. Using techniques similar to those commonly employed in image classification and pattern recognition, we train a series of…

高能天体物理现象 · 物理学 2020-11-18 Davide Gerosa , Geraint Pratten , Alberto Vecchio

Current fake audio detection relies on hand-crafted features, which lose information during extraction. To overcome this, recent studies use direct feature extraction from raw audio signals. For example, RawNet is one of the representative…

声音 · 计算机科学 2023-05-24 Chenglong Wang , Jiangyan Yi , Jianhua Tao , Chuyuan Zhang , Shuai Zhang , Ruibo Fu , Xun Chen