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Machine learning (ML) has greatly advanced data-driven channel modeling and resource optimization in wireless communication systems. However, most existing ML-based methods rely on large, accurately labeled datasets with location…

信号处理 · 电气工程与系统科学 2025-11-24 Wangqian Chen , Junting Chen , Shuguang Cui

In previous works, we proposed to estimate cosmological parameters with the artificial neural network (ANN) and the mixture density network (MDN). In this work, we propose an improved method called the mixture neural network (MNN) to…

宇宙学与河外天体物理 · 物理学 2023-08-23 Guo-Jian Wang , Cheng Cheng , Yin-Zhe Ma , Jun-Qing Xia , Amare Abebe , Aroonkumar Beesham

This paper presents a novel mutual information (MI) matrix based method for fault detection. Given a $m$-dimensional fault process, the MI matrix is a $m \times m$ matrix in which the $(i,j)$-th entry measures the MI values between the…

信号处理 · 电气工程与系统科学 2021-02-19 Feiya Lv , Shujian Yu , Chenglin Wen , Jose C. Principe

A multi-layer perceptron (MLP) is a type of neural networks which has a long history of research and has been studied actively recently in computer vision and graphics fields. One of the well-known problems of an MLP is the capability of…

图形学 · 计算机科学 2023-10-31 Shin Fujieda , Atsushi Yoshimura , Takahiro Harada

This paper introduces a new approach for simulating magnetic properties of nanocomposites comprising magnetic particles embedded in a non-magnetic matrix, taking into account the 3D structure of the system in which particles' positions…

介观与纳米尺度物理 · 物理学 2014-10-22 R. F. Neumann , M. Bahiana , L. G. Paterno , M. A. G. Soler , J. P. Sinnecker , J. G. Wen , P. C. Morais

Novel radio map estimation in optical wireless communications is proposed based on ML prediction rather than simulation techniques. ML training is performed on simulation and experimentally generated synthetic data and in both cases,…

信号处理 · 电气工程与系统科学 2026-01-05 Helena Serpi , Christina , Politi

Magnetic Resonance Force Microscopy (MRFM) enables three-dimensional imaging of nuclear spin densities in nanoscale objects. Based on numerical simulations, we evaluate the performance of strained SiN resonators as force sensors and show…

应用物理 · 物理学 2026-04-15 Nils Prumbaum , Christian L. Degen , Alexander Eichler

Neural implicit fields, such as the neural signed distance field (SDF) of a shape, have emerged as a powerful representation for many applications, e.g., encoding a 3D shape and performing collision detection. Typically, implicit fields are…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Guying Lin , Lei Yang , Yuan Liu , Congyi Zhang , Junhui Hou , Xiaogang Jin , Taku Komura , John Keyser , Wenping Wang

This paper presents the design and implementation of a magnetic signal scanning and imaging system based on the giant magnetoimpedance (GMI) effect. The system employs a pair of performance-matched GMI sensing elements configured as a…

仪器与探测器 · 物理学 2025-11-20 Tao Yang , Zhoulu Yu , Xuekui Xi , Changjun Jiang , Guozhi Chai

Accurate diagnosis of psychiatric disorders plays a critical role in improving the quality of life for patients and potentially supports the development of new treatments. Many studies have been conducted on machine learning techniques that…

机器学习 · 统计学 2019-04-15 Takashi Matsubara , Tetsuo Tashiro , Kuniaki Uehara

Microfading Spectrometry (MFS) is a method for assessing light sensitivity color (spectral) variations of cultural heritage objects. Each measured point on the surface gives rise to a time-series of stochastic observations that represents…

Resting State Networks (RSNs) of the brain extracted from Resting State functional Magnetic Resonance Imaging (RS-fMRI) are used in the pre-surgical planning to guide the neurosurgeon. This is difficult, though, as expert knowledge is…

Portable low-cost MRI systems have the potential to enable point-of-care and timely MRI diagnosis, and to make this imaging modality available to routine scans and to underdeveloped areas. With simplicity, no maintenance, no power…

医学物理 · 物理学 2018-12-31 Shao Ying Huang , Zhi Hua Ren , Sergei Obruchkov , Jia Gong , Robin Dykstra , Wenwei Yu

A common issue faced by magnetic particle-based Lab-on-a-chip systems, e.g, for medical diagnostics, is the intrinsic fabrication-related polydispersity in particle sizes and magnetic properties. Therefore, to reduce this variation, it is…

应用物理 · 物理学 2026-02-16 Rico Huhnstock , Lukas Paetzold , Piotr Kuswik , Arno Ehresmann

In recent interactive segmentation algorithms, previous probability maps are used as network input to help predictions in the current segmentation round. However, despite the utilization of previous masks, useful information contained in…

计算机视觉与模式识别 · 计算机科学 2024-05-13 Chaewon Lee , Seon-Ho Lee , Chang-Su Kim

Primordial magnetic fields (PMFs) can enhance matter power spectrum on small scales ($\lesssim$ Mpc) and still agree with bounds from cosmic microwave background (CMB) and Faraday rotation measurements. As modes on scales smaller than Mpc…

宇宙学与河外天体物理 · 物理学 2024-07-19 Pranjal Ralegankar , Mak Pavičević , Matteo Viel

One of the major problems in modeling natural signals is that signals with very similar structure may locally have completely different measurements, e.g., images taken under different illumination conditions, or the speech signal captured…

计算机视觉与模式识别 · 计算机科学 2012-07-19 Nebojsa Jojic , Yaron Caspi , Manuel Reyes-Gomez

This paper proposes a novel analytical framework, termed the Multiport Analytical Pixel Electromagnetic Simulator (MAPES). MAPES enables efficient and accurate prediction of the electromagnetic (EM) performance of arbitrary pixel-based…

信号处理 · 电气工程与系统科学 2025-12-15 Junhui Rao , Yi Liu , Jichen Zhang , Zhaoyang Ming , Tianrui Qiao , Yujie Zhang , Chi Yuk Chiu , Hua Wang , Ross Murch

Spatial Transcriptomics (ST) enables the measurement of gene expression while preserving spatial information, offering critical insights into tissue architecture and disease pathology. Recent developments have explored the use of…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Hai Dang Nguyen , Nguyen Dang Huy Pham , The Minh Duc Nguyen , Dac Thai Nguyen , Hang Thi Nguyen , Duong M. Nguyen

In Magnetic Resonance Imaging (MRI) data samples are collected in the spatial frequency domain (k-space), typically by time-consuming line-by-line scanning on a Cartesian grid. Scans can be accelerated by simultaneous acquisition of data…

医学物理 · 物理学 2015-03-24 Vivek Athalye , Michael Lustig , Martin Uecker