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Feature selection is essential for high-dimensional biomedical data, enabling stronger predictive performance, reduced computational cost, and improved interpretability in precision medicine applications. Existing approaches face notable…

Machine Learning · Computer Science 2026-01-07 Xiaoyan Sun , Qingyu Meng , Yalu Wen

The use of engineered nanoscale magnetic materials in healthcare and biomedical technologies is rapidly growing. Two examples which have recently attracted significant attention are magnetic particle imaging (MPI) for biological monitoring,…

The temporal shape of a pulse in transcranial magnetic stimulation (TMS) influences which neuron populations are activated preferentially as well as the strength and even direction of neuromodulation effects. Furthermore, various pulse…

Medical Physics · Physics 2022-02-15 Z. Li , J. Zhang , A. V. Peterchev , S. M. Goetz

This paper investigates the performance of the adaptive matched filtering (AMF) in cluttered environments, particularly when operating with superimposed signals. Since the instantaneous signal-to-clutter-plus-noise ratio (SCNR) is a random…

Information Theory · Computer Science 2025-12-10 Lei Xie , Hengtao He , Yifeng Xiong , Fan Liu , Shi Jin

Millimeter-wave and terahertz communications face a fundamental challenge: overcoming severe path loss without sacrificing spectral efficiency. Pinching antenna systems (PASS) address this by bringing radiators physically close to users,…

Information Theory · Computer Science 2026-04-03 Dengke Wei , Runxin Zhang , Yulin Shao , Fen Hou , Shaodan Ma

Recently, Multi-Contrast MR Reconstruction (MCMR) has emerged as a hot research topic that leverages high-quality auxiliary modalities to reconstruct undersampled target modalities of interest. However, existing methods often struggle to…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Jialin Li , Yiwei Ren , Kai Pan , Dong Wei , Pujin Cheng , Xian Wu , Xiaoying Tang

We develop a multiscale scanning method to find anomalies in a $d$-dimensional random field in the presence of nuisance parameters. This covers the common situation that either the baseline-level or additional parameters such as the…

Applications · Statistics 2024-09-20 Claudia König , Axel Munk , Frank Werner

Magnetic Resonance Fingerprinting (MRF) is a method to extract quantitative tissue properties such as T1 and T2 relaxation rates from arbitrary pulse sequences using conventional magnetic resonance imaging hardware. MRF pulse sequences have…

Magnetic nanoparticle (MNP) has attracted interest in various research fields due to its special superparamagnetic and strong magneto-optical effects, especially as contrast agents to enhance the contrast of medical imaging. By introducing…

Optics · Physics 2023-08-01 Xinchao Cui , Feidi Xiang , Chong Lu , Chunping Liu , Wenzhong Liu

Nanoparticles (NPs) are widely used in diverse application areas, such as medicine, engineering, and cosmetics. The size (or volume) of NPs is one of the most important parameters for their successful application. It is relatively…

Mesoscale and Nanoscale Physics · Physics 2016-06-06 Ravi Kiran Attota

Weighing particles above MegaDalton mass range has been a persistent challenge in commercial mass spectrometry. Recently, nanoelectromechanical systems-based mass spectrometry (NEMS-MS) has shown remarkable performance in this mass range,…

Applied Physics · Physics 2023-06-26 Batuhan E. Kaynak , Mohammed Alkhaled , Enise Kartal , Cenk Yanik , M. Selim Hanay

In Magnetic Particle Imaging (MPI), the distribution of magnetic nanoparticles (MNPs) is imaged by moving a field free point (FFP) in space. All MNPs in close vicinity of the FFP contribute to the signal induced on the receive coil. The…

Signal Processing · Electrical Eng. & Systems 2021-12-02 Atakan Topcu , Asli Alpman , Mustafa Utkur , Emine Ulku Saritas

A novel approach for measuring the electrical resistivity of non-magnetic materials using magnetic force microscopy (MFM) is discussed. In this method, MFM detects magnetic fields generated by eddy currents induced by the oscillation of a…

In the event-related functional magnetic resonance imaging (fMRI) data analysis, there is an extensive interest in accurately and robustly estimating the hemodynamic response function (HRF) and its associated statistics (e.g., the magnitude…

Applications · Statistics 2013-12-23 Jiaping Wang , Hongtu Zhu , Jianqing Fan , Kelly Giovanello , Weili Lin

Angle-Resolved Photoemission Spectroscopy (ARPES) is a premier technique for understanding the electronic excitations in conductive, crystalline matter, in which the induced photocurrent is collected and dispersed in energy and angle of…

Strongly Correlated Electrons · Physics 2023-07-11 Sae Hee Ryu , Garett Reichenbach , Chris M. Jozwiak , Aaron Bostwick , Peter Richter , Thomas Seyller , Eli Rotenberg

Directional scanning sounding (DSS) has become widely adopted for high-frequency channel measurements because it effectively compensates for severe path loss. However, the resolution of existing multipath component (MPC) angle estimation…

Signal Processing · Electrical Eng. & Systems 2025-04-18 Huixin Xu , Jianhua Zhang , Pan Tang , Hongbo Xing , Lei Tian , Qixing Wang

One of the challenges in hyperspectral data analysis is the presence of mixed pixels. Mixed pixels are the result of low spatial resolution of hyperspectral sensors. Spectral unmixing methods decompose a mixed pixel into a set of endmembers…

Computer Vision and Pattern Recognition · Computer Science 2015-06-05 Roozbeh Rajabi , Hassan Ghassemian

Random pulse width modulation techniques are used in AC motors powered by two-level three-phase inverters, which cause a broadband spectrum of voltage, current, and electromagnetic force. The voltage distribution across a wide range of…

Systems and Control · Electrical Eng. & Systems 2024-06-07 Jian Wen , Xiaobin Cheng , Peifeng Ji , Jun Yang , Feng Zhao

We experimentally demonstrate single-spin magnetometry with multi-pulse sensing sequences. The use of multi-pulse sequences can greatly increase the sensing time per measurement shot, resulting in enhanced ac magnetic field sensitivity. We…

Mesoscale and Nanoscale Physics · Physics 2011-03-16 G. de Lange , D. Ristè , V. V. Dobrovitski , R. Hanson

We theoretically and experimentally demonstrate a multifrequency excitation and detection scheme in apertureless near field optical microscopy, that exceeds current state of the art sensitivity and background suppression. By exciting the…

Optics · Physics 2018-01-30 H. Greener , M. Mrejen , U. Arieli , H. Suchowski