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On-chip integration of highly anisotropic two-dimensional (2D) materials offers new opportunities for realizing high performance polarization selective devices. Obtaining optimized designs for such devices requires extensively sweeping…

Artificial neural networks (ANNs), inspired by the interconnection of real neurons, have achieved unprecedented success in various fields such as computer vision and natural language processing. Recently, a novel mathematical ANN model,…

Neural and Evolutionary Computing · Computer Science 2023-09-15 Yu Ding , Jun Yu , Chunzhi Gu , Shangce Gao , Chao Zhang

Multi-Task Learning (MTL) is a foundational machine learning problem that has seen extensive development over the past decade. Recently, various optimization-based MTL approaches have been proposed to learn multiple tasks simultaneously by…

Machine Learning · Computer Science 2026-04-13 Zhipeng Zhou , Linxiao Cao , Pengcheng Wu , Peilin Zhao , Chunyan Miao

Latency in the control loop of adaptive optics (AO) systems can severely limit performance. Under the frozen flow hypothesis linear predictive control techniques can overcome this, however identification and tracking of relevant turbulent…

Instrumentation and Methods for Astrophysics · Physics 2020-06-10 Xuewen Liu , Tim Morris , Chris Saunter , Francisco Javier de Cos Juez , Carlos González-Gutiérrez , Lisa Bardou

This paper explores multi-task learning (MTL) for face recognition. We answer the questions of how and why MTL can improve the face recognition performance. First, we propose a multi-task Convolutional Neural Network (CNN) for face…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Xi Yin , Xiaoming Liu

Multimodal sensors provide complementary information to develop accurate machine-learning methods for human activity recognition (HAR), but introduce significantly higher computational load, which reduces efficiency. This paper proposes an…

Computer Vision and Pattern Recognition · Computer Science 2023-10-13 Ziqi Gao , Yuntao Wang , Jianguo Chen , Junliang Xing , Shwetak Patel , Xin Liu , Yuanchun Shi

The ever-increasing data demand craves advancements in high-speed and energy-efficient computing hardware. Analog optical neural network (ONN) processors have emerged as a promising solution, offering benefits in bandwidth and energy…

Optics · Physics 2026-04-07 Chao Luan , Ronald Davis , Zaijun Chen , Dirk Englund , Ryan Hamerly

Modern adaptive optics (AO) systems for large telescopes require tomographic techniques to reconstruct the phase aberrations induced by the turbulent atmosphere along a line of sight to a target which is angularly separated from the guide…

Instrumentation and Methods for Astrophysics · Physics 2015-06-03 James Osborn , Francisco Javier De Cos Juez , Dani Guzman , Timothy Butterley , Richard Myers , Andres Guesalaga , Jesus Laine

Multi-task learning (MTL) is frequently used in settings where a target task has to be learnt based on limited training data, but knowledge can be leveraged from related auxiliary tasks. While MTL can improve task performance overall…

Machine Learning · Computer Science 2020-12-18 Rafael Peres da Silva , Chayaporn Suphavilai , Niranjan Nagarajan

Wireless signal recognition is becoming increasingly more significant for spectrum monitoring, spectrum management, and secure communications. Consequently, it will become a key enabler with the emerging fifth-generation (5G) and beyond 5G…

Machine Learning · Computer Science 2021-02-23 Anu Jagannath , Jithin Jagannath

In this paper, we reveal that artificial neural network (ANN) assisted multiple-input multiple-output (MIMO) signal detection can be modeled as ANN-assisted lossy vector quantization (VQ), named MIMO-VQ, which is basically a joint…

Signal Processing · Electrical Eng. & Systems 2020-04-02 Songyan Xue , Yi Ma , Na Yi , Terence E. Dodgson

Photonic neural networks are brain-inspired information processing technology using photons instead of electrons to perform artificial intelligence (AI) tasks. However, existing architectures are designed for a single task but fail to…

Machine Learning · Computer Science 2022-12-02 Zhengyang Duan , Hang Chen , Xing Lin

We demonstrate a machine learning-based optical network monitoring system which can integrate fiber monitoring, predictive maintenance of optical hardware, and security information management in a single solution.

Networking and Internet Architecture · Computer Science 2022-03-28 Joo Yeon Cho , Jose-Juan Pedreno-Manresa , Sai Kireet Patri , Khouloud Abdelli , Carsten Tropschug , Jim Zou , Piotr Rydlichowski

The adoption of intelligent systems with Artificial Neural Networks (ANNs) embedded in hardware for real-time applications currently faces a growing demand in fields like the Internet of Things (IoT) and Machine to Machine (M2M). However,…

Signal Processing · Electrical Eng. & Systems 2020-10-01 Caio J. B. V. Guimarães , Marcelo A. C. Fernandes

Underwater Sound Speed Profile (SSP) distribution has great influence on the propagation mode of acoustic signal, thus the fast and accurate estimation of SSP is of great importance in building underwater observation systems. The…

Audio and Speech Processing · Electrical Eng. & Systems 2025-03-31 Wei Huang , Fan Gao , Junting Wang , Hao Zhang

Recent years have seen a considerable surge of research on developing heuristic approaches to realize analog computing using physical waves. Among these, neuromorphic computing using light waves is envisioned to feature performance metrics…

Optics · Physics 2022-10-18 Cheng-Chia Tsai , Xiaoyan Huang , Zhicheng Wu , Zongfu Yu , Nanfang Yu

Light's ability to perform massive linear operations parallelly has recently inspired numerous demonstrations of optics-assisted artificial neural networks (ANN). However, a clear advantage of optics over purely digital ANN in a…

With the increasing use of nonlinear devices in both generation and consumption of power, it is essential that we develop accurate and quick control for active filters to suppress harmonics. Time delays between input and output are…

Systems and Control · Electrical Eng. & Systems 2024-10-04 Dixant Bikal Sapkota , Puskar Neupane , Kajal Pokharel , Shahabuddin Khan

Opto-electronic computing combines the complementary strengths of photonics and electronics to deliver ultrahigh computational throughput with high energy efficiency. However, its practical deployment for real-world applications has been…

In this paper we investigate the usage of machine learning for interpreting measured sensor values in sensor modules. In particular we analyze the potential of artificial neural networks (ANNs) on low-cost micro-controllers with a few…

Machine Learning · Computer Science 2020-12-16 Marcus Venzke , Daniel Klisch , Philipp Kubik , Asad Ali , Jesper Dell Missier , Volker Turau