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Radio waves, perhaps because they are uniquely transparent in our terrestrial atmosphere, as well as the cosmos beyond, or perhaps because they are macroscopic, so the basic instruments of detection (antennas) are easily constructable,…

天体物理仪器与方法 · 物理学 2019-03-28 Tim Huege , Dave Besson

Computed tomography (CT) is widely used in screening, diagnosis, and image-guided therapy for both clinical and research purposes. Since CT involves ionizing radiation, an overarching thrust of related technical research is development of…

图像与视频处理 · 电气工程与系统科学 2019-06-25 Chenyu You , Guang Li , Yi Zhang , Xiaoliu Zhang , Hongming Shan , Shenghong Ju , Zhen Zhao , Zhuiyang Zhang , Wenxiang Cong , Michael W. Vannier , Punam K. Saha , Ge Wang

As we enter the era of large imaging surveys such as $\textit{Roman}$, Rubin, and $\textit{Euclid}$, a deeper understanding of potential biases and selection effects in optical astronomical catalogs created with the use of ML-based methods…

The scientific interest in studying high-energy transient phenomena in the Universe has largely grown for the last decade. Now, multiple ground-based survey projects have emerged to continuously monitor the optical (and multi-messenger)…

天体物理仪器与方法 · 物理学 2022-08-10 K. Makhlouf , D. Turpin , D. Corre , S. Karpov , D. A. Kann , A. Klotz

Gamma-ray bursts (GRBs) detected at high redshift can be used to trace the cosmic expansion history. However, the calibration of their luminosity distances is not an easy task in comparison to Type Ia Supernovae (SNeIa). To calibrate these…

宇宙学与河外天体物理 · 物理学 2022-04-20 Celia Escamilla-Rivera , Maryi Carvajal , Cristian Zamora , Martin Hendry

This study evaluates the use of Quantum Convolutional Neural Networks (QCNNs) for identifying signals resembling Gamma-Ray Bursts (GRBs) within simulated astrophysical datasets in the form of light curves. The task addressed here focuses on…

Deep learning using Convolutional Neural Networks (CNNs) has been shown to significantly out-performed many conventional vision algorithms. Despite efforts to increase the CNN efficiency both algorithmically and with specialized hardware,…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Carlos Mauricio Villegas Burgos , Tianqi Yang , Nick Vamivakas , Yuhao Zhu

We train deep learning models on thousands of galaxy catalogues from the state-of-the-art hydrodynamic simulations of the CAMELS project to perform regression and inference. We employ Graph Neural Networks (GNNs), architectures designed to…

宇宙学与河外天体物理 · 物理学 2023-02-10 Pablo Villanueva-Domingo , Francisco Villaescusa-Navarro

Convolutional Neural Networks (CNNs) constitute a class of Deep Learning models which have been used in the recent past to resolve many problems in computer vision, in particular optical flow estimation. Measuring displacement and strain…

图像与视频处理 · 电气工程与系统科学 2020-09-10 S. Boukhtache , K. Abdelouahab , F. Berry , B. Blaysat , M. Grediac , F. Sur

Star trackers are one of the most accurate celestial sensors used for absolute attitude determination. The devices detect stars in captured images and accurately compute their projected centroids on an imaging focal plane with subpixel…

计算机视觉与模式识别 · 计算机科学 2025-03-10 Hongrui Zhao , Michael F. Lembeck , Adrian Zhuang , Riya Shah , Jesse Wei

Several ongoing and upcoming radio telescopes aim to detect either the global 21 cm signal or the 21 cm power spectrum. The extragalactic radio background, as detected by ARCADE-2 and LWA-1, suggests a strong radio background from cosmic…

宇宙学与河外天体物理 · 物理学 2025-10-24 Sudipta Sikder , Anastasia Fialkov , Rennan Barkana

Cosmic rays are a known problem in astronomy, causing both loss of data and data inaccuracy. The problem becomes even more extreme when considering data from a high-radiation environment, such as in orbit around Earth or outside the Earth's…

天体物理仪器与方法 · 物理学 2015-05-30 Rachel E. Anderson , Karl D. Gordon

Change detection (CD) is an important yet challenging task in the Earth observation field for monitoring Earth surface dynamics. The advent of deep learning techniques has recently propelled automatic CD into a technological revolution.…

计算机视觉与模式识别 · 计算机科学 2023-07-25 Haonan Guo , Bo Du , Chen Wu , Chengxi Han , Liangpei Zhang

Current neural networks-based object detection approaches processing LiDAR point clouds are generally trained from one kind of LiDAR sensors. However, their performances decrease when they are tested with data coming from a different LiDAR…

计算机视觉与模式识别 · 计算机科学 2020-12-11 Ruddy Théodose , Dieumet Denis , Thierry Chateau , Vincent Frémont , Paul Checchin

Ultra-high-energy neutrinos and cosmic rays are excellent probes of astroparticle physics phenomena. For astroparticle physics analyses, robust and accurate reconstruction of signal parameters such as arrival direction and energy is…

天体物理仪器与方法 · 物理学 2025-10-28 Martin Ravn , Christian Glaser , Thorsten Glüsenkamp , Ayca Öcelikkale , Alan Coleman

Deep convolutional neural networks (DCNNs) have substantially advanced object detection capabilities, particularly in remote sensing imagery. However, challenges persist, especially in detecting small objects where the high resolution of…

计算机视觉与模式识别 · 计算机科学 2025-12-04 Jiahao Zhang , Xiao Zhao , Guangyu Gao

Speech enhancement has benefited from the success of deep learning in terms of intelligibility and perceptual quality. Conventional time-frequency (TF) domain methods focus on predicting TF-masks or speech spectrum, via a naive convolution…

音频与语音处理 · 电气工程与系统科学 2020-09-24 Yanxin Hu , Yun Liu , Shubo Lv , Mengtao Xing , Shimin Zhang , Yihui Fu , Jian Wu , Bihong Zhang , Lei Xie

Deep Convolutional Neural Networks (CNNs) have demonstrated excellent performance in image classification, but still show room for improvement in object-detection tasks with many categories, in particular for cluttered scenes and occlusion.…

计算机视觉与模式识别 · 计算机科学 2015-03-24 Nikolaos Karianakis , Thomas J. Fuchs , Stefano Soatto

Deep convolutional neural networks (DCNNs) are an influential tool for solving various problems in the machine learning and computer vision fields. In this paper, we introduce a new deep learning model called an Inception- Recurrent…

计算机视觉与模式识别 · 计算机科学 2017-04-26 Md Zahangir Alom , Mahmudul Hasan , Chris Yakopcic , Tarek M. Taha

The use of convolutional neural networks (CNNs) in seismic interpretation tasks, like facies classification, has garnered a lot of attention for its high accuracy. However, its drawback is usually poor generalization when trained with…

地球物理 · 物理学 2023-08-11 Fu Wang , Tariq Alkhalifah
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