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Nowadays, analyzing and reducing the ever larger astronomical datasets is becoming a crucial challenge, especially for long cumulated observation times. The INTEGRAL/SPI X-gamma-ray spectrometer is an instrument for which it is essential to…

Instrumentation and Methods for Astrophysics · Physics 2013-05-27 L. Bouchet , P. Amestoy , A. Buttari , F. -H. Rouet , M. Chauvin

The development of large-area homogeneous photo-detectors with sub-millimeter path lengths for direct Cherenkov light and for secondary-electrons opens the possibility of large time-of-flight systems for relativistic particles with…

Instrumentation and Detectors · Physics 2009-08-05 Jean-Francois Genat , Gary Varner , Fukun Tang , Henry Frisch

Despite noise suppression being a mature area in signal processing, it remains highly dependent on fine tuning of estimator algorithms and parameters. In this paper, we demonstrate a hybrid DSP/deep learning approach to noise suppression. A…

Sound · Computer Science 2018-06-04 Jean-Marc Valin

Deep learning-based super-resolution (SR) is challenging to implement in resource-constrained edge devices for resolutions beyond full HD due to its high computational complexity and memory bandwidth requirements. This paper introduces an…

Hardware Architecture · Computer Science 2026-05-01 Chih-Chia Hsu , Tian-Sheuan Chang

Energy detection is widely used for spectrum sensing, but accurately localizing the time and frequency occupation of signals in real-time for efficient spectrum sharing remains challenging. To address this challenge, we present RISE, a…

Networking and Internet Architecture · Computer Science 2026-03-24 Chung-Hsuan Tung , Zhenzhou Qi , Tingjun Chen

Embedded systems continue to rapidly proliferate in diverse fields, including medical devices, autonomous vehicles, and more generally, the Internet of Things (IoT). Many embedded systems require application-specific hardware components to…

Hardware Architecture · Computer Science 2024-04-24 Yuchao Liao , Tosiron Adegbija , Roman Lysecky

Airborne 3D imaging using ultrasound is a promising sensing modality for robotic applications in harsh environments. Over the last decade, several high-performance systems have been proposed in the literature. Most of these sensors use a…

Signal Processing · Electrical Eng. & Systems 2024-02-21 Dennis Laurijssen , Walter Daems , Jan Steckel

Detection and identification of lipids are highly coveted for the interrogation of chronic diseases such as atherosclerosis and myocardial infarction. Intravascular photoacoustic imaging (IVPA) and deep tissue imaging are modern techniques,…

Hyperspectral imaging is gathering significant attention due to its potential in various domains such as geology, agriculture, ecology, and surveillance. However, the associated processing algorithms, which are essential for enhancing…

Signal Processing · Electrical Eng. & Systems 2023-10-04 El Mehdi Abdali , Daniele Picone , Mauro Dalla-Mura , Stéphane Mancini

Hyperspectral/multispectral imaging (HSI/MSI) contains rich information clinical applications, such as 1) narrow band imaging for vascular visualisation; 2) oxygen saturation for intraoperative perfusion monitoring and clinical decision…

Computer Vision and Pattern Recognition · Computer Science 2017-07-13 Jianyu Lin , Neil T. Clancy , Daniel S. Elson

The paper describes highly-sensitive passive electric potential sensors (EPS) for non-contact detection of multiple biophysical signals, including electrocardiogram (ECG), respiration cycle (RC), and electroencephalogram (EEG). The proposed…

Signal Processing · Electrical Eng. & Systems 2021-10-26 Xinyao Tang , Wangbo Chen , Soumyajit Mandal , Kevin Bi , Tayfun Ozdemir

In this paper we propose an efficient deep learning encoder-decoder network for performing Harmonic-Percussive Source Separation (HPSS). It is shown that we are able to greatly reduce the number of model trainable parameters by using a…

Sound · Computer Science 2019-07-31 Carlos Lordelo , Emmanouil Benetos , Simon Dixon , Sven Ahlbäck

Burst super-resolution (BurstSR) aims at reconstructing a high-resolution (HR) image from a sequence of low-resolution (LR) and noisy images, which is conducive to enhancing the imaging effects of smartphones with limited sensors. The main…

Computer Vision and Pattern Recognition · Computer Science 2023-09-01 Renlong Wu , Zhilu Zhang , Shuohao Zhang , Hongzhi Zhang , Wangmeng Zuo

An FPGA based digital signal processing (DSP) system for biasing and reading out multiplexed bolometric detectors for mm-wavelength telescopes is presented. This readout system is being deployed for balloon-borne and ground based cosmology…

Instrumentation and Detectors · Physics 2009-05-13 Matt Dobbs , Eric Bissonnette , Helmuth Spieler

The incoherent scatter radar (ISR) technique is a powerful remote sensing tool for ionosphere and thermosphere dynamics in the near-Earth space environment. Weak ISR scatter from naturally occurring Langmuir oscillations, or plasma lines,…

Data Analysis, Statistics and Probability · Physics 2023-12-01 Natalie Hilliard , Juha Vierinen , Philip J. Erickson

This paper discusses the overall quality of IUE high resolution data processed with the NEWSIPS software in terms of flux and wavelength accuracy. It also describes the processing of NEWSIPS high resolution spectra within the framework of…

Astrophysics · Physics 2007-05-23 R. Gonzalez-Riestra , A. Cassatella , E. Solano , A. Altamore , W. Wamsteker

Software defined radio (SDR) allows unprecedented levels of flexibility by transitioning the radio communication system from a rigid hardware platform to a more user-controlled software paradigm. However, it can still be time consuming to…

Networking and Internet Architecture · Computer Science 2016-04-28 Ramanathan Subramanian , Benjamin Drozdenko , Eric Doyle , Rameez Ahmed , Miriam Leeser , Kaushik R. Chowdhury

Pulsar data analysis pipelines have historically been comprised of bespoke software systems, supporting the off-line analysis of data. However modern data acquisition systems are making off-line analyses impractical. They often output…

Instrumentation and Methods for Astrophysics · Physics 2018-10-16 R. J. Lyon , B. W. Stappers , L. Levin , M. B. Mickaliger , A. Scaife

Photoplethysmography (PPG) is an attractive method to acquire vital signs such as heart rate and blood oxygenation and is frequently used in clinical and at-home settings. Continuous operation of health monitoring devices demands a low…

Systems and Control · Electrical Eng. & Systems 2022-08-16 Sina Faraji Alamouti , Jasmine Jan , Cem Yalcin , Jonathan Ting , Ana Claudia Arias , Rikky Muller

Hyperpolarization methods in magnetic resonance overcome sensitivity limitations, especially for low-{\gamma} nuclei such as 13C and 15N. Signal Amplification By Reversible Exchange (SABRE) and extended SABRE (X-SABRE) are efficient and…

Chemical Physics · Physics 2022-04-06 Jacob R. Lindale , Shannon L. Eriksson , Warren S. Warren
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