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We investigate synthesis of a large effective aperture using a sparse array of subarrays. We employ a multi-objective optimization framework for placement of subarrays within a prescribed area dictated by form factor constraints, trading…

Signal Processing · Electrical Eng. & Systems 2019-12-17 Anant Gupta , Upamanyu Madhow , Amin Arbabian , Ali Sadri

Type A Aortic Dissection (TAAD) is a life-threatening cardiovascular emergency that demands rapid and precise preoperative evaluation. While key anatomical and pathological features are decisive for surgical planning, current research…

Computer Vision and Pattern Recognition · Computer Science 2026-03-30 Mengdi Liu , Qiang Li , Weizhi Nie , Shaopeng Zhang , Yuting Su

The design of an interferometric array should allow optimal instrumental response regarding all possible source positions, times of integration and scientific goals. It should also take into account constraints such as forbidden regions on…

Astrophysics · Physics 2009-11-07 F. Boone

Unsupervised Anomaly Detection (UAD) aims to identify abnormal regions by establishing correspondences between test images and normal templates. Existing methods primarily rely on image reconstruction or template retrieval but face a…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Mingxiu Cai , Zhe Zhang , Gaochang Wu , Tianyou Chai , Xiatian Zhu

We propose a tensor-based domain alignment (DA) algorithm designed to align source and target tensors within an invariant subspace through the use of alignment matrices. These matrices along with the subspace undergo iterative optimization…

Machine Learning · Computer Science 2026-01-27 Chong Hyun Lee , Kibae Lee , Hyun Hee Yim

Estimating the direction of arrival (DOA) of sources is an important problem in aerospace and vehicular communication, localization and radar. In this paper, we consider a challenging multi-source DOA estimation task, where the receiving…

Signal Processing · Electrical Eng. & Systems 2022-02-17 Tom Tirer , Oded Bialer

Recent 3D molecular generation methods primarily use asynchronous auto-regressive or synchronous diffusion models. While auto-regressive models build molecules sequentially, they're limited by a short horizon and a discrepancy between…

Machine Learning · Computer Science 2026-04-27 Junyi An , Chao Qu , Yun-Fei Shi , Zhijian Zhou , Fenglei Cao , Yuan Qi

A fundamental problem arising in dense wireless networks is the high co-channel interference. Interference alignment (IA) was recently proposed as an effective way to combat interference in wireless networks. The concept of IA, though, is…

Networking and Internet Architecture · Computer Science 2017-12-12 Konstantinos Dovelos , Boris Bellalta

The recent trends of densification and centralized signal processing in radio access networks suggest that future networks may comprise ubiquitous antennas coordinated to form a network-wide gigantic array, referred to as the ubiquitous…

Information Theory · Computer Science 2015-04-01 Kaibin Huang , Jiayi Chen , Vincent K. N. Lau

Tomographic image reconstruction with deep learning is an emerging field, but a recent landmark study reveals that several deep reconstruction networks are unstable for computed tomography (CT) and magnetic resonance imaging (MRI).…

Image and Video Processing · Electrical Eng. & Systems 2021-09-14 Weiwen Wu , Dianlin Hu , Wenxiang Cong , Hongming Shan , Shaoyu Wang , Chuang Niu , Pingkun Yan , Hengyong Yu , Varut Vardhanabhuti , Ge Wang

The FR3 band has emerged as the major focus of 6G wireless research. FR3 cellular operation presents the challenge of extreme bandwidth combined with physically large antenna arrays. In this regime, conventional phase-shift beamforming…

Signal Processing · Electrical Eng. & Systems 2026-04-24 Tyler Ikehara , Ibrahim Pehlivan , Danijela Cabric , Thomas L. Marzetta

This paper demonstrates the advantages of aperiodic arrays in multi-user multiple-input multiple-output systems for future mobile communication applications. We propose a novel aperiodic array synthesis method which account for the…

Signal Processing · Electrical Eng. & Systems 2018-08-28 C. Bencivenni , A. A. Glazunov , R. Maaskant , M. V. Ivashina

Diffusion models have achieved remarkable success in image generation, with applications broadening across various domains. Inpainting is one such application that can benefit significantly from diffusion models. Existing methods either…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Sora Kim , Sungho Suh , Minsik Lee

The goal of this paper is to extend independent subspace analysis (ISA) to the case of (i) nonparametric, not strictly stationary source dynamics and (ii) unknown source component dimensions. We make use of functional autoregressive (fAR)…

Methodology · Statistics 2012-01-04 Zoltan Szabo

The family of temporal difference (TD) methods span a spectrum from computationally frugal linear methods like TD({\lambda}) to data efficient least squares methods. Least square methods make the best use of available data directly…

Artificial Intelligence · Computer Science 2017-03-13 Yangchen Pan , Adam White , Martha White

The long-standing paradox of the linear polarization signal of the Na i D1 line was recently resolved by accounting for the atom's hyperfine structure and the detailed spectral structure of the incident radiation field. That modeling relied…

Solar and Stellar Astrophysics · Physics 2023-09-25 Gioele Janett , Ernest Alsina Ballester , Luca Belluzzi , Tanausú del Pino Alemán , Javier Trujillo Bueno

In time series forecasting, effectively disentangling intricate temporal patterns is crucial. While recent works endeavor to combine decomposition techniques with deep learning, multiple frequencies may still be mixed in the decomposed…

Artificial Intelligence · Computer Science 2024-03-27 Xiaobing Yuan , Ling Chen

Integrated sensing and communication (ISAC) is a key technology for enabling a wide range of applications in future wireless systems. However, the sensing performance is often degraded by model mismatches caused by geometric errors (e.g.,…

Signal Processing · Electrical Eng. & Systems 2026-02-03 Hui Chen , Mengting Li , Alireza Pourafzal , Huiping Huang , Yu Ge , Sigurd Sandor Petersen , Ming Shen , George C. Alexandropoulos , Henk Wymeersch

Despite a lack of theoretical understanding, deep neural networks have achieved unparalleled performance in a wide range of applications. On the other hand, shallow representation learning with component analysis is associated with rich…

Machine Learning · Computer Science 2018-03-20 Calvin Murdock , Ming-Fang Chang , Simon Lucey

This paper delivers the first report of a mid-infrared (MIR) waveguide array design that employs complementary and asymmetric tapered Euler-shaped bends. These provide greater fabrication flexibility to achieve subwavelength-pitch…

Mesoscale and Nanoscale Physics · Physics 2025-11-11 Humaira Zafar , Mauro Fernandes Pereira
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