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Insects are an integral part of our ecosystem. These often small and evasive animals have a big impact on their surroundings, providing a large part of the present biodiversity and pollination duties, forming the foundation of the food…

Sound · Computer Science 2022-11-18 Marius Faiß

Next-generation cellular concepts rely on the processing of large quantities of radio-frequency (RF) samples. This includes Radio Access Networks (RAN) connecting the cellular front-end based on software defined radios (SDRs) and a…

Machine Learning · Computer Science 2024-03-06 Armani Rodriguez , Yagna Kaasaragadda , Silvija Kokalj-Filipovic

While there has been much recent progress using deep learning techniques to separate speech and music audio signals, these systems typically require large collections of isolated sources during the training process. When extending audio…

Sound · Computer Science 2020-09-01 Fatemeh Pishdadian , Gordon Wichern , Jonathan Le Roux

Adapting pre-trained deep learning models to new and unknown environments remains a major challenge in underwater acoustic localization. We show that although the performance of pre-trained models suffers from mismatch between the training…

Sound · Computer Science 2025-10-14 Dariush Kari , Hari Vishnu , Andrew C. Singer

We conduct an in depth study on the performance of deep learning based radio signal classification for radio communications signals. We consider a rigorous baseline method using higher order moments and strong boosted gradient tree…

Machine Learning · Computer Science 2018-03-14 Timothy J. O'Shea , Tamoghna Roy , T. Charles Clancy

This paper presents a novel deep learning approach for analyzing massive underwater acoustic data by leveraging a model trained on a broad spectrum of non-underwater (aerial) sounds. Recognizing the challenge in labeling vast amounts of…

Sound · Computer Science 2024-02-22 Jeongsoo Park , Dong-Gyun Han , Hyoung Sul La , Sangmin Lee , Yoonchang Han , Eun-Jin Yang

Data lies at the core of modern deep learning. The impressive performance of supervised learning is built upon a base of massive accurately labeled data. However, in some real-world applications, accurate labeling might not be viable;…

We present a classification-based approach to identify quasi-stellar radio sources (quasars) in the Sloan Digital Sky Survey and evaluate its performance on a manually labeled training set. While reasonable results can already be obtained…

Instrumentation and Methods for Astrophysics · Physics 2016-11-18 Fabian Gieseke , Kai Lars Polsterer , Andreas Thom , Peter-Christian Zinn , Dominik Bomanns , Ralf-Jürgen Dettmar , Oliver Kramer , Jan Vahrenhold

The LOw Frequency ARray Two-metre Sky Survey second data release (LoTSS DR2) covers 27\% of the northern sky and contains around four million radio sources. The development of this catalogue involved a large citizen science project (Radio…

Astrophysics of Galaxies · Physics 2025-07-16 Maya Horton , Martin Hardcastle , George Miley , Cyril Tasse , Timothy Shimwell

This paper addresses a critical preliminary step in radar signal processing: detecting the presence of a radar signal and robustly estimating its bandwidth. Existing methods which are largely statistical feature-based approaches face…

Signal Processing · Electrical Eng. & Systems 2024-03-01 Akila Pemasiri , Zi Huang , Fraser Williams , Ethan Goan , Simon Denman , Terrence Martin , Clinton Fookes

Localizing a moving sound source in the real world involves determining its direction-of-arrival (DOA) and distance relative to a microphone. Advancements in DOA estimation have been facilitated by data-driven methods optimized with large…

Sound · Computer Science 2023-09-19 Saksham Singh Kushwaha , Iran R. Roman , Magdalena Fuentes , Juan Pablo Bello

The advent of next-generation telescope facilities brings with it an unprecedented amount of data, and the demand for effective tools to process and classify this information has become increasingly important. This work proposes a novel…

The outstanding pattern recognition performance of deep learning brings new vitality to the synthetic aperture radar (SAR) automatic target recognition (ATR). However, there is a limitation in current deep learning based ATR solution that…

Computer Vision and Pattern Recognition · Computer Science 2017-12-27 Fan Zhang , Chen Hu , Qiang Yin , Wei Li , Hengchao Li , Wen Hong

Hyperspectral imaging provides precise classification for land use and cover due to its exceptional spectral resolution. However, the challenges of high dimensionality and limited spatial resolution hinder its effectiveness. This study…

Computer Vision and Pattern Recognition · Computer Science 2024-03-05 Shivam Pande

The objective of deep learning methods based on encoder-decoder architectures for music source separation is to approximate either ideal time-frequency masks or spectral representations of the target music source(s). The spectral…

In this data release from the LOFAR Two-metre Sky Survey (LoTSS) we present 120-168MHz images covering 27% of the northern sky. Our coverage is split into two regions centred at approximately 12h45m +44$^\circ$30' and 1h00m +28$^\circ$00'…

Astrophysics of Galaxies · Physics 2022-02-25 T. W. Shimwell , M. J. Hardcastle , C. Tasse , P. N. Best , H. J. A. Röttgering , W. L. Williams , A. Botteon , A. Drabent , A. Mechev , A. Shulevski , R. J. van Weeren , L. Bester , M. Brüggen , G. Brunetti , J. R. Callingham , K. T. Chyży , J. E. Conway , T. J. Dijkema , K. Duncan , F. de Gasperin , C. L. Hale , M. Haverkorn , B. Hugo , N. Jackson , M. Mevius , G. K. Miley , L. K. Morabito , R. Morganti , A. Offringa , J. B. R. Oonk , D. Rafferty , J. Sabater , D. J. B. Smith , D. J. Schwarz , O. Smirnov , S. P. O'Sullivan , H. Vedantham , G. J. White , J. G. Albert , L. Alegre , B. Asabere , D. J. Bacon , A. Bonafede , E. Bonnassieux , M. Brienza , M. Bilicki , M. Bonato , G. Calistro Rivera , R. Cassano , R. Cochrane , J. H. Croston , V. Cuciti , D. Dallacasa , A. Danezi , R. J. Dettmar , G. Di Gennaro , H. W. Edler , T. A. Enßlin , K. L. Emig , T. M. O. Franzen , C. García-Vergara , Y. G. Grange , G. Gürkan , M. Hajduk , G. Heald , V. Heesen , D. N. Hoang , M. Hoeft , C. Horellou , M. Iacobelli , M. Jamrozy , V. Jelić , R. Kondapally , P. Kukreti , M. Kunert-Bajraszewska , M. Magliocchetti , V. Mahatma , K. Małek , S. Mandal , F. Massaro , Z. Meyer-Zhao , B. Mingo , R. I. J. Mostert , D. G. Nair , S. J. Nakoneczny , B. Nikiel-Wroczyński , E. Orrú , U. Pajdosz-Śmierciak , T. Pasini , I. Prandoni , H. E. van Piggelen , K. Rajpurohit , E. Retana-Montenegro , C. J. Riseley , A. Rowlinson , A. Saxena , C. Schrijvers , F. Sweijen , T. M. Siewert , R. Timmerman , M. Vaccari , J. Vink , J. L. West , A. Wołowska , X. Zhang , J. Zheng

In environments where visual sensors falter, in-air sonar provides a reliable alternative for autonomous systems. While previous research has successfully classified individual acoustic landmarks, this paper takes a step towards increasing…

Signal Processing · Electrical Eng. & Systems 2025-10-23 Wouter Jansen , Jan Steckel

Magnetic resonance (MR) protocols rely on several sequences to assess pathology and organ status properly. Despite advances in image analysis, we tend to treat each sequence, here termed modality, in isolation. Taking advantage of the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-11 Agisilaos Chartsias , Giorgos Papanastasiou , Chengjia Wang , Scott Semple , David E. Newby , Rohan Dharmakumar , Sotirios A. Tsaftaris

The Low Frequency Array (LOFAR) is the only existing radio interferometer able to observe at ultra-low frequencies (<100 MHz) with high resolution (<15") and high sensitivity (<1 mJy/beam). To exploit these capabilities, the LOFAR Surveys…

This report presents the results of the DeepSolaris project that was carried out under the ESS action 'Merging Geostatistics and Geospatial Information in Member States'. During the project several deep learning algorithms were evaluated to…

Computer Vision and Pattern Recognition · Computer Science 2020-09-15 Tim De Jong , Stefano Bromuri , Xi Chang , Marc Debusschere , Natalie Rosenski , Clara Schartner , Katharina Strauch , Marion Boehmer , Lyana Curier
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