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The inverse design of optical metasurfaces is a rapidly emerging field that has already shown great promise in miniaturizing conventional optics as well as developing completely new optical functionalities. Such a design process relies on…

光学 · 物理学 2020-08-26 Maksym V. Zhelyeznyakov , Steven L. Brunton , Arka Majumdar

In recent years some researchers have explored the use of reinforcement learning (RL) algorithms as key components in the solution of various natural language processing tasks. For instance, some of these algorithms leveraging deep neural…

Offline reinforcement learning can enable policy learning from pre-collected, sub-optimal datasets without online interactions. This makes it ideal for real-world robots and safety-critical scenarios, where collecting online data or expert…

机器人学 · 计算机科学 2025-08-07 Sreyas Venkataraman , Yufei Wang , Ziyu Wang , Navin Sriram Ravie , Zackory Erickson , David Held

Thin-film solar cells are predominately designed similar to a stacked structure. Optimizing the layer thicknesses in this stack structure is crucial to extract the best efficiency of the solar cell. The commonplace method used in…

神经与进化计算 · 计算机科学 2020-04-08 Premkumar Vincent , Gwenaelle Cunha Sergio , Jaewon Jang , In Man Kang , Jaehoon Park , Hyeok Kim , Minho Lee , Jin-Hyuk Bae

Deep model-based reinforcement learning methods offer a conceptually simple approach to the decision-making and control problem: use learning for the purpose of estimating an approximate dynamics model, and offload the rest of the work to…

机器学习 · 计算机科学 2023-07-13 Michael Janner

Precise spatial manipulation of particles via optical forces is essential in many research areas, ranging from biophysics to atomic physics. Central to this effort is the challenge of designing optical systems that are optimized for…

Optical satellite-to-ground communication (OSGC) has the potential to improve access to fast and affordable Internet in remote regions. Atmospheric turbulence, however, distorts the optical beam, eroding the data rate potential when…

机器学习 · 计算机科学 2023-03-15 Payam Parvizi , Runnan Zou , Colin Bellinger , Ross Cheriton , Davide Spinello

This work deals with the inverse design in the field of photonic crystal based devices. Here an inverse method containing a fast and accurate simulation method integrated with a competent optimization method is presented. Two designs…

其他凝聚态物理 · 物理学 2007-05-23 Andreas Hakansson , Jose Sanchez-Dehesa , Lorenzo Sanchis

A self-learning optimal control algorithm for episodic fixed-horizon manufacturing processes with time-discrete control actions is proposed and evaluated on a simulated deep drawing process. The control model is built during consecutive…

系统与控制 · 计算机科学 2020-01-07 Johannes Dornheim , Norbert Link , Peter Gumbsch

The inverse approach is computationally efficient in aerodynamic design as the desired target performance distribution is prespecified. However, it has some significant limitations that prevent it from achieving full efficiency. First, the…

机器学习 · 计算机科学 2022-03-10 Sunwoong Yang , Sanga Lee , Kwanjung Yee

The crucial components of a conventional image registration method are the choice of the right feature representations and similarity measures. These two components, although elaborately designed, are somewhat handcrafted using human…

计算机视觉与模式识别 · 计算机科学 2020-02-11 Shanhui Sun , Jing Hu , Mingqing Yao , Jinrong Hu , Xiaodong Yang , Qi Song , Xi Wu

Materials-by-design has been historically challenging due to complex process-microstructure-property relations. Conventional analytical or simulation-based approaches suffer from low accuracy or long computational time and poor…

材料科学 · 物理学 2023-10-24 Xiao Shang , Zhiying Liu , Jiahui Zhang , Tianyi Lyu , Yu Zou

In addition to the forward inference of materials properties using machine learning, generative deep learning techniques applied on materials science allow the inverse design of materials, i.e., assessing the…

材料科学 · 物理学 2024-10-01 Teng Long , Yixuan Zhang , Hongbin Zhang

Over the past decade, artificially engineered optical materials and nanostructured thin films have revolutionized the area of photonics by employing novel concepts of metamaterials and metasurfaces where spatially varying structures yield…

In this paper we present an end-to-end meta-learned system for image compression. Traditional machine learning based approaches to image compression train one or more neural network for generalization performance. However, at inference…

图像与视频处理 · 电气工程与系统科学 2021-05-04 Nannan Zou , Honglei Zhang , Francesco Cricri , Hamed R. Tavakoli , Jani Lainema , Miska Hannuksela , Emre Aksu , Esa Rahtu

Offline reinforcement learning (RL) enables learning control policies by utilizing only prior experience, without any online interaction. This can allow robots to acquire generalizable skills from large and diverse datasets, without any…

机器学习 · 计算机科学 2021-09-24 Aviral Kumar , Anikait Singh , Stephen Tian , Chelsea Finn , Sergey Levine

Robotic systems that rely primarily on self-supervised learning have the potential to decrease the amount of human annotation and engineering effort required to learn control strategies. In the same way that prior robotic systems have…

This paper proposes inverse feature learning as a novel supervised feature learning technique that learns a set of high-level features for classification based on an error representation approach. The key contribution of this method is to…

机器学习 · 计算机科学 2020-03-10 Behzad Ghazanfari , Fatemeh Afghah , MohammadTaghi Hajiaghayi

We show that several major algorithms of reinforcement learning (RL) fit into the framework of categorical cybernetics, that is to say, parametrised bidirectional processes. We build on our previous work in which we show that value…

机器学习 · 计算机科学 2025-09-26 Jules Hedges , Riu Rodríguez Sakamoto

The conventional approach to nanophotonic metasurface design and optimization for a targeted electromagnetic response involves exploring large geometry and material spaces, which is computationally costly, time consuming and a highly…

光学 · 物理学 2020-05-27 Abhishek Mall , Abhijeet Patil , Amit Sethi , Anshuman Kumar