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Acoustic source localization has been applied in different fields, such as aeronautics and ocean science, generally using multiple microphones array data to reconstruct the source location. However, the model-based beamforming methods fail…

声音 · 计算机科学 2022-04-01 Guanxing Zhou , Hao Liang , Xinghao Ding , Yue Huang , Xiaotong Tu , Saqlain Abbas

In machine learning, the term active learning regroups techniques that aim at selecting the most useful data to label from a large pool of unlabelled examples. While supervised deep learning techniques have shown to be increasingly…

计算机视觉与模式识别 · 计算机科学 2021-01-08 Alex Goupilleau , Tugdual Ceillier , Marie-Caroline Corbineau

The detection of gravitational waves has inaugurated the era of gravitational astronomy and opened new avenues for the multimessenger study of cosmic sources. Thanks to their sensitivity, the Advanced LIGO and Advanced Virgo interferometers…

广义相对论与量子宇宙学 · 物理学 2018-04-05 Massimiliano Razzano , Elena Cuoco

This work proposes a saliency-based attribution framework to evaluate and compare 10 state-of-the-art explainability methods for deep learning models in astronomy, focusing on the classification of radio galaxy images. While previous work…

天体物理仪器与方法 · 物理学 2025-02-25 M. T. Atemkeng , C. Chuma , S. Zaza , C. D. Nunhokee , O. M. Smirnov

We apply a new deep learning technique to detect, classify, and deblend sources in multi-band astronomical images. We train and evaluate the performance of an artificial neural network built on the Mask R-CNN image processing framework, a…

天体物理仪器与方法 · 物理学 2019-11-22 Colin J. Burke , Patrick D. Aleo , Yu-Ching Chen , Xin Liu , John R. Peterson , Glenn H. Sembroski , Joshua Yao-Yu Lin

The potential of deep learning, especially in medical imaging, initiated astonishing results and improved the methodologies after every passing day. Deep learning in radiology provides the opportunity to classify, detect and segment…

计算机视觉与模式识别 · 计算机科学 2022-03-28 Shaheer Khan , Azib Farooq , Israr Khan , Muhammad Gulraiz Khan , Abdul Razzaq

Deep learning methods can be found in many medical imaging applications. Recently, those methods were applied directly to the RF ultrasound multi-channel data to enhance the quality of the reconstructed images. In this paper, we apply a…

信号处理 · 电气工程与系统科学 2020-11-23 Nissim Peretz , Arie Feuer

Ongoing or upcoming surveys such as Gaia, ZTF, or LSST will observe light-curves of billons or more astronomical sources. This presents new challenges for identifying interesting and important types of variability. Collecting a sufficient…

天体物理仪器与方法 · 物理学 2021-09-08 Dae-Won Kim , Doyeob Yeo , Coryn A. L. Bailer-Jones , Giyoung Lee

Deep Learning approaches for real, large, and complex scientific data sets can be very challenging to design. In this work, we present a complete search for a finely-tuned and efficiently scaled deep learning classifier to identify usable…

机器学习 · 计算机科学 2020-10-16 Vincent Dumont , Verónica Rodríguez Tribaldos , Jonathan Ajo-Franklin , Kesheng Wu

Audio classification can distinguish different kinds of sounds, which is helpful for intelligent applications in daily life. However, it remains a challenging task since the sound events in an audio clip is probably multiple, even…

音频与语音处理 · 电气工程与系统科学 2019-11-22 Jiaxu Chen , Jing Hao , Kai Chen , Di Xie , Shicai Yang , Shiliang Pu

Underwater target detection using active sonar constitutes a critical research area in marine sciences and engineering. However, traditional signal processing methods face significant challenges in complex underwater environments due to…

信号处理 · 电气工程与系统科学 2025-07-29 Jichao Zhang , Xiao-Lei Zhang , Kunde Yang

In this paper, we propose an approach that exploits object segmentation in order to improve the accuracy of object detection. We frame the problem as inference in a Markov Random Field, in which each detection hypothesis scores object…

计算机视觉与模式识别 · 计算机科学 2015-02-17 Yukun Zhu , Raquel Urtasun , Ruslan Salakhutdinov , Sanja Fidler

Methods for source detection in high noise environments are important for single-photon emission computed tomography (SPECT) medical imaging and especially crucial for homeland security applications, which is our main interest. In the…

仪器与探测器 · 物理学 2020-10-28 Weston Baines , Peter Kuchment , Jean Ragusa

We present the application of deep machine learning technique to classify radio images of extended sources on a morphological basis using convolutional neural networks. In this study, we have taken the case of Fanaroff-Riley (FR) class of…

天体物理仪器与方法 · 物理学 2017-06-28 Arun Aniyan , Kshitij Thorat

Machine learning has shown promising results for communications system problems. We present results on the use of deep auto-encoders in order to learn a transceiver for the multiuser degraded broadcast channel, and see that the auto encoder…

信息论 · 计算机科学 2019-03-21 Erik Stauffer , Andy Wang , Nihar Jindal

The faint radio-source population includes sources dominated both by star formation and active galactic nuclei (AGN), encoding the evolution of activity in the Universe. To investigate its nature, we probabilistically classified 4,471 radio…

The radio astronomy community is rapidly adopting deep learning techniques to deal with the huge data volumes expected from the next generation of radio observatories. Bayesian neural networks (BNNs) provide a principled way to model…

机器学习 · 计算机科学 2024-05-29 Devina Mohan , Anna M. M. Scaife

We apply classical machine vision and machine deep learning methods to prototype signal classifiers for the search for extraterrestrial intelligence. Our novel approach uses two-dimensional spectrograms of measured and simulated radio…

We tackle the problem of audiovisual scene analysis for weakly-labeled data. To this end, we build upon our previous audiovisual representation learning framework to perform object classification in noisy acoustic environments and integrate…

计算机视觉与模式识别 · 计算机科学 2018-11-12 Sanjeel Parekh , Alexey Ozerov , Slim Essid , Ngoc Duong , Patrick Pérez , Gaël Richard

This work focuses on reliable detection of bird sound emissions as recorded in the open field. Acoustic detection of avian sounds can be used for the automatized monitoring of multiple bird taxa and querying in long-term recordings for…

声音 · 计算机科学 2016-09-28 Ilyas Potamitis