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Optical neural networks are emerging as a promising type of machine learning hardware capable of energy-efficient, parallel computation. Today's optical neural networks are mainly developed to perform optical inference after in silico…

Machine Learning · Computer Science 2022-05-30 James Spall , Xianxin Guo , A. I. Lvovsky

The marriage of two vibrant fields---photonics and neuromorphic processing---is fundamentally enabled by the strong analogies within the underlying physics between the dynamics of biological neurons and lasers, both of which can be…

Neurons and Cognition · Quantitative Biology 2014-07-11 Bhavin J. Shastri , Alexander N. Tait , Mitchell A. Nahmias , Paul R. Prucnal

Ophthalmic image segmentation serves as a critical foundation for ocular disease diagnosis. Although fully convolutional neural networks (CNNs) are commonly employed for segmentation, they are constrained by inductive biases and face…

Computer Vision and Pattern Recognition · Computer Science 2024-08-19 Zunjie Xiao , Xiaoqing Zhang , Risa Higashita , Jiang Liu

An optical neural network is proposed and demonstrated with programmable matrix transformation and nonlinear activation function of photodetection (square-law detection). Based on discrete phase-coherent spatial modes, the dimensionality of…

Optics · Physics 2021-08-20 Shikang Li , Baohua Ni , Xue Feng , Kaiyu Cui , Fang Liu , Wei Zhang , Yidong Huang

Image classification is a difficult machine learning task, where Convolutional Neural Networks (CNNs) have been applied for over 20 years in order to solve the problem. In recent years, instead of the traditional way of only connecting the…

Computer Vision and Pattern Recognition · Computer Science 2019-03-12 Bin Wang , Yanan Sun , Bing Xue , Mengjie Zhang

Convolutional neural networks (CNNs) are one of the most popular models of Artificial Neural Networks (ANN)s in Computer Vision (CV). A variety of CNN-based structures were developed by researchers to solve problems like image…

Computer Vision and Pattern Recognition · Computer Science 2022-09-30 Bowen Qiu , Daniela Raicu , Jacob Furst , Roselyne Tchoua

Metasurfaces have become a promising means for manipulating optical wavefronts in flat and high-performance optical devices. Conventional metasurface device design relies on trial-and-error methods to obtain target electromagnetic (EM)…

Brain-inspired computing concepts like artificial neural networks have become promising alternatives to classical von Neumann computer architectures. Photonic neural networks target the realizations of neurons, network connections and…

Emerging Technologies · Computer Science 2020-11-24 T. Heuser , M. Pflüger , I. Fischer , J. A. Lott , D. Brunner , S. Reitzenstein

As we move towards an era of hundreds of cores, the research community has witnessed the emergence of opto-electronic network on-chip designs based on nanophotonics, in order to achieve higher network throughput, lower latencies, and lower…

Emerging Technologies · Computer Science 2017-09-14 Vikram K. Narayana , Shuai Sun , Armin Mehrabian , Volker J. Sorger , Tarek El-Ghazawi

We present a single neural network architecture composed of task-agnostic components (ViTs, convolutions, and LSTMs) that achieves state-of-art results on both the ImageNav ("go to location in <this picture>") and ObjectNav ("find a chair")…

Computer Vision and Pattern Recognition · Computer Science 2023-03-15 Karmesh Yadav , Arjun Majumdar , Ram Ramrakhya , Naoki Yokoyama , Alexei Baevski , Zsolt Kira , Oleksandr Maksymets , Dhruv Batra

Neural networks find widespread use in scientific and technological applications, yet their implementations in conventional computers have encountered bottlenecks due to ever-expanding computational needs. Photonic neuromorphic hardware,…

Modern deep learning relies nearly exclusively on dedicated electronic hardware accelerators. Photonic approaches, with low consumption and high operation speed, are increasingly considered for inference but, to date, remain mostly limited…

In this work, we propose a Neural Architecture Search (NAS) for retinal layer segmentation in Optical Coherence Tomography (OCT) scans. We incorporate the Unet architecture in the NAS framework as its backbone for the segmentation of the…

Image and Video Processing · Electrical Eng. & Systems 2020-07-30 Saba Heidari Gheshlaghi , Omid Dehzangi , Ali Dabouei , Annahita Amireskandari , Ali Rezai , Nasser M Nasrabadi

One of the most computationally intensive parts in modern recognition systems is an inference of deep neural networks that are used for image classification, segmentation, enhancement, and recognition. The growing popularity of edge…

Computer Vision and Pattern Recognition · Computer Science 2020-10-22 Elena Limonova , Daniil Alfonso , Dmitry Nikolaev , Vladimir V. Arlazarov

To design and construct hardware for general intelligence, we must consider principles of both neuroscience and very-large-scale integration. For large neural systems capable of general intelligence, the attributes of photonics for…

Emerging Technologies · Computer Science 2021-05-05 Jeffrey M. Shainline

Face Anti-spoofing gains increased attentions recently in both academic and industrial fields. With the emergence of various CNN based solutions, the multi-modal(RGB, depth and IR) methods based CNN showed better performance than single…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Peng Zhang , Fuhao Zou , Zhiwen Wu , Nengli Dai , Skarpness Mark , Michael Fu , Juan Zhao , Kai Li

Our visual perception of our surroundings is ultimately limited by the diffraction limit, which stipulates that optical information smaller than roughly half the illumination wavelength is not retrievable. Over the past decades, many…

In the last years, materializations of neuromorphic circuits based on nanophotonic arrangements have been proposed, which contain complete optical circuits, laser, photodetectors, photonic crystals, optical fibers, flat waveguides, and…

Emerging Technologies · Computer Science 2021-11-03 Konstantinos Demertzis , Georgios Papadopoulos , Lazaros Iliadis , Lykourgos Magafas

A neural network architecture is presented that exploits the multilevel properties of high-dimensional parameter-dependent partial differential equations, enabling an efficient approximation of parameter-to-solution maps, rivaling…

Machine Learning · Computer Science 2024-08-21 Janina Enrica Schütte , Martin Eigel

As convolutional neural networks (CNNs) enable state-of-the-art computer vision applications, their high energy consumption has emerged as a key impediment to their deployment on embedded and mobile devices. Towards efficient image…