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Neural networks are one of the first major milestones in developing artificial intelligence systems. The utilisation of integrated photonics in neural networks offers a promising alternative approach to microelectronic and hybrid…

We introduce a deep residual recurrent neural network (DR-RNN) as an efficient model reduction technique for nonlinear dynamical systems. The developed DR-RNN is inspired by the iterative steps of line search methods in finding the residual…

Computational Engineering, Finance, and Science · Computer Science 2017-09-05 J. Nagoor Kani , Ahmed H. Elsheikh

Accurate 3D reconstruction of hands and instruments is critical for vision-based analysis of ophthalmic microsurgery, yet progress has been hampered by the lack of realistic, large-scale datasets and reliable annotation tools. In this work,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Ming Hu , Zhengdi Yu , Feilong Tang , Kaiwen Chen , Yulong Li , Imran Razzak , Junjun He , Tolga Birdal , Kaijing Zhou , Zongyuan Ge

Deep neural networks (DNNs) enhance the accuracy and efficiency of reconstructing key parameters from time-resolved photon arrival signals recorded by single-photon detectors. However, the performance of conventional backpropagation-based…

Machine Learning · Computer Science 2025-04-15 Zhenya Zang , Xingda Li , David Day Uei Li

Optical artificial neural networks (ONNs) have significant potential for ultra-high computing speed and energy efficiency. We report a new approach to ONNs based on integrated Kerr micro-combs that is programmable, highly scalable and…

Applied Physics · Physics 2021-04-02 Xingyuan Xu , Mengxi Tan , David J. Moss

Transferring optical information through random diffusers is a critical yet challenging task. In this work, we introduce a cascaded diffractive optical network for information transfer through random and unknown diffusers, achieved through…

Optics · Physics 2026-03-10 Yuhang Li , Yiyang Wu , Shiqi Chen , Xilin Yang , Aydogan Ozcan

3D engineering of matter has opened up new avenues for designing systems that can perform various computational tasks through light-matter interaction. Here, we demonstrate the design of optical networks in the form of multiple diffractive…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Jingxi Li , Deniz Mengu , Nezih T. Yardimci , Yi Luo , Xurong Li , Muhammed Veli , Yair Rivenson , Mona Jarrahi , Aydogan Ozcan

Spiking recurrent neural networks (RNNs) are a promising tool for solving a wide variety of complex cognitive and motor tasks, due to their rich temporal dynamics and sparse processing. However training spiking RNNs on dedicated…

Neural and Evolutionary Computing · Computer Science 2021-09-28 Yigit Demirag , Charlotte Frenkel , Melika Payvand , Giacomo Indiveri

Convolutional neural networks (CNNs) are representative models of artificial neural networks (ANNs). However, the considerable power consumption and limited computing speed of electrical computing platforms restrict further CNN development…

Convolutional neural networks (CNNs) depend on deep network architectures to extract accurate information for image super-resolution. However, obtained information of these CNNs cannot completely express predicted high-quality images for…

Image and Video Processing · Electrical Eng. & Systems 2024-03-25 Chunwei Tian , Xuanyu Zhang , Qi Zhang , Mingming Yang , Zhaojie Ju

Digital holography is one of the most widely used label-free microscopy techniques in biomedical imaging. Recovery of the missing phase information of a hologram is an important step in holographic image reconstruction. Here we demonstrate…

Image and Video Processing · Electrical Eng. & Systems 2021-05-28 Luzhe Huang , Tairan Liu , Xilin Yang , Yi Luo , Yair Rivenson , Aydogan Ozcan

Magnetic resonance (MR) image acquisition is an inherently prolonged process, whose acceleration has long been the subject of research. This is commonly achieved by obtaining multiple undersampled images, simultaneously, through parallel…

Image and Video Processing · Electrical Eng. & Systems 2021-06-15 Chun-Mei Feng , Zhanyuan Yang , Huazhu Fu , Yong Xu , Jian Yang , Ling Shao

Predicting physical response of an artificially structured material is of particular interest for scientific and engineering applications. Here we use deep learning to predict optical response of artificially engineered nanophotonic…

The neural Ordinary Differential Equation (ODE) model has shown success in learning complex continuous-time processes from observations on discrete time stamps. In this work, we consider the modeling and forecasting of time series data that…

Machine Learning · Statistics 2023-06-05 Yixuan Tan , Liyan Xie , Xiuyuan Cheng

Neuromorphic hardware as a non-Von Neumann architecture has better energy efficiency and parallelism than the conventional computer. Here, with numerical modeling spin-orbit torque (SOT) device using current-induced SOT and Joule heating…

Applied Physics · Physics 2023-04-19 Haotian Li , Liyuan Li , Kaiyuan Zhou , Chunjie Yan , Zhenyu Gao , Zishuang Li , Ronghua Liu

Real-world blind denoising poses a unique image restoration challenge due to the non-deterministic nature of the underlying noise distribution. Prevalent discriminative networks trained on synthetic noise models have been shown to…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Junaid Malik , Serkan Kiranyaz , Mehmet Yamac , Esin Guldogan , Moncef Gabbouj

Mainstream video analytics uses a pre-trained DNN model with an assumption that inference input and training data follow the same probability distribution. However, this assumption does not always hold in the wild: autonomous vehicles may…

Computer Vision and Pattern Recognition · Computer Science 2020-03-16 Xiufeng Xie , Kyu-Han Kim

As the advancements in the field of artificial intelligence and nonlinear optics continues new methods can be used to better describe and determine nonlinear optical phenomena. In this research we aimed to analyze the diffraction patterns…

Data Analysis, Statistics and Probability · Physics 2023-02-17 Behnam Pishnamazi , Ehsan Koushki

Due to their high degree of parallelism, fast processing speeds and low power consumption, analog optical functional elements offer interesting routes for realizing neuro-morphic computer hardware. For instance, convolutional neural…

All-optical switches are introduced which are based on deoxyribonucleic acid (DNA) in the form of electrospun fibers, where DNA is semi-intercalated with a push-pull, luminescent nonlinear pyrazoline derivative. Optical birefringence is…

Applied Physics · Physics 2018-12-18 Adam Szukalski , Maria Moffa , Andrea Camposeo , Dario Pisignano , Jaroslaw Mysliwiec
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