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相关论文: A Performance Investigation of Receive Beamforming…

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This paper studies a multi-antenna network integrated sensing and communication (ISAC) system, in which a set of multi-antenna base stations (BSs) employ the coordinated transmit beamforming to serve their respectively associated…

信息论 · 计算机科学 2022-11-03 Gaoyuan Cheng , Jie Xu

This paper proposes a novel approach to spectral computed tomography (CT) material decomposition that uses the recent advances in generative diffusion models (DMs) for inverse problems. Spectral CT and more particularly photon-counting CT…

We present a detection scheme for diffusing wave spectroscopy (DWS) based on a two cell geometry that allows efficient ensemble averaging. This is achieved by putting a fast rotating diffuser in the optical path between laser and sample. We…

软凝聚态物质 · 物理学 2009-11-11 P. Zakharov , F. Cardinaux , F. Scheffold

In this paper, we perform receiver design for a diffusive molecular communication environment. Our model includes flow in any direction, sources of information molecules in addition to the transmitter, and enzymes in the propagation…

信息论 · 计算机科学 2014-10-17 Adam Noel , Karen C. Cheung , Robert Schober

Accelerating compute intensive non-real-time beam-forming algorithms in ultrasound imaging using deep learning architectures has been gaining momentum in the recent past. Nonetheless, the complexity of the state-of-the-art deep learning…

图像与视频处理 · 电气工程与系统科学 2024-01-17 Abdul Rahoof , Vivek Chaturvedi , Mahesh Raveendranatha Panicker , Muhammad Shafique

Spectral Doppler ultrasound imaging allows visualizing blood flow by estimating its velocity distribution over time. Duplex ultrasound is a modality in which an ultrasound system is used for displaying simultaneously both B-mode images and…

信息论 · 计算机科学 2018-08-03 Regev Cohen , Yonina C. Eldar

In radio astronomy, the science output of a telescope is often limited by computational resources. This is especially true for transient and technosignature surveys that need to search high-resolution data across a large parameter space.…

天体物理仪器与方法 · 物理学 2024-04-11 Danny C. Price

Specular reflections pose a significant challenge for object segmentation, as their sharp intensity transitions often mislead both conventional algorithms and deep learning based methods. However, as the specular reflection must lie on the…

图像与视频处理 · 电气工程与系统科学 2026-02-26 Katja Kossira , Yunxuan Zhu , Jürgen Seiler , André Kaup

This study proposes an anomaly-detection framework for monitoring exposure-length variations in submarine free-span cables using Distributed Acoustic Sensing (DAS), which is one of the distributed fiber-optic sensing technologies. To…

信号处理 · 电气工程与系统科学 2026-04-29 Sakiko Mishima , Yoshiyuki Yajima , Noriyuki Tonami , Tomoyuki Hino , Shugo Aibe , Junichiro Saikawa , Koji Mizuguchi

Optoacoustic tomography image reconstruction has been a problem of interest in recent years. By exploiting the exceptional generative power of the recently proposed diffusion models we consider a scheme which is based on a conditional…

图像与视频处理 · 电气工程与系统科学 2024-11-26 Martin G. Gonzalez , Matias Vera , Leonardo Rey Vega

In this paper, we have evaluated various methods of time-frequency-selective fading channels estimation in OFDM system and some of them improved under time varying conditions. So, these different techniques will be studied through different…

其他计算机科学 · 计算机科学 2012-05-16 Zaier Aida , Ridha Bouallegue

This paper studies the transmit beamforming in a downlink integrated sensing and communication (ISAC) system, where a base station (BS) equipped with a uniform linear array (ULA) sends combined information-bearing and dedicated radar…

信息论 · 计算机科学 2023-03-28 Haocheng Hua , Jie Xu , Tony Xiao Han

In ultrasound beamforming, focusing time delays are typically computed with a spatially constant speed-of-sound (SoS) assumption. A mismatch between beamforming and true medium SoS then leads to aberration artifacts. Other imaging…

图像与视频处理 · 电气工程与系统科学 2021-09-27 Xenia Augustin , Lin Zhang , Orcun Goksel

A versatile X-ray/neutron reflectivity (specular) simulator using LabVIEW(National Instruments Corp.) for structural study of a multi-layer thin film having any combination, including the repetitions, of nano-scale layers of different…

介观与纳米尺度物理 · 物理学 2013-09-27 Sirshendu Gayen

This paper presents a new method for determining the diffusive properties of diffuse body waves, specifically diffusivity and dissipation, in concrete with multiple planar boundaries. Instead of relying on the analytical solution to the…

经典物理 · 物理学 2025-04-02 Hao Cheng , Katrin Löer , Max A. N. Hendriks , Yuguang Yang

Understanding the morphological structure of medical images and precisely segmenting the region of interest or abnormality is an important task that can assist in diagnosis. However, the unique properties of medical imaging make clear…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Sungmin Kang , Jaeha Song , Jihie Kim

Photoacoustic imaging (PAI), is a promising medical imaging technique that provides the high contrast of the optical imaging and the resolution of ultrasound (US) imaging. Among all the methods, Three-dimensional (3D) PAI provides a high…

信号处理 · 电气工程与系统科学 2018-02-27 Roya Paridar , Moein Mozaffarzadeh , Ali Mahloojifar , Mohammadreza Nasiriavanaki , Mahdi Orooji

Mass spectrometry, especially so-called tandem mass spectrometry, is commonly used to assess the chemical diversity of samples. The resulting mass fragmentation spectra are representations of molecules of which the structure may have not…

机器学习 · 计算机科学 2025-02-18 Niek de Jonge , Justin J. J. van der Hooft , Daniel Probst

1. Parameter inference from distorted measurements is discussed. 2. Smeared measurements are unfolded without explicit regularization. The corresponding results are unbiased and permit to fit parameters and to apply quantitative…

数据分析、统计与概率 · 物理学 2016-07-26 Guenter Zech

We present an inverse image-formation module that can enhance the robustness of existing visual SLAM pipelines for casually captured scenarios. Casual video captures often suffer from motion blur and varying appearances, which degrade the…

计算机视觉与模式识别 · 计算机科学 2024-07-17 Gwangtak Bae , Changwoon Choi , Hyeongjun Heo , Sang Min Kim , Young Min Kim