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We describe a global optimization technique using `basin-hopping' in which the potential energy surface is transformed into a collection of interpenetrating staircases. This method has been designed to exploit the features which recent work…

Condensed Matter · Physics 2007-05-23 David Wales , Jonathan Doye

Current neural architecture search (NAS) strategies focus only on finding a single, good, architecture. They offer little insight into why a specific network is performing well, or how we should modify the architecture if we want further…

Machine Learning · Computer Science 2021-02-22 Binxin Ru , Xingchen Wan , Xiaowen Dong , Michael Osborne

Despite the empirical success of neural architecture search (NAS) in deep learning applications, the optimality, reproducibility and cost of NAS schemes remain hard to assess. In this paper, we propose Generative Adversarial NAS (GA-NAS)…

Machine Learning · Computer Science 2021-06-24 Seyed Saeed Changiz Rezaei , Fred X. Han , Di Niu , Mohammad Salameh , Keith Mills , Shuo Lian , Wei Lu , Shangling Jui

Despite remarkable progress achieved, most neural architecture search (NAS) methods focus on searching for one single accurate and robust architecture. To further build models with better generalization capability and performance, model…

Computer Vision and Pattern Recognition · Computer Science 2021-07-19 Minghao Chen , Houwen Peng , Jianlong Fu , Haibin Ling

Global optimization of atomistic structure rely on the generation of new candidate structures in order to drive the exploration of the potential energy surface (PES) in search for the global minimum energy (GM) structure. In this work, we…

Chemical Physics · Physics 2024-02-29 Andreas Møller Slavensky , Mads-Peter V. Christensen , Bjørk Hammer

The efficient, automated search for well-performing neural architectures (NAS) has drawn increasing attention in the recent past. Thereby, the predominant research objective is to reduce the necessity of costly evaluations of neural…

Machine Learning · Computer Science 2022-08-02 Jovita Lukasik , Steffen Jung , Margret Keuper

The recent progress of deep convolutional neural networks has enabled great success in single image super-resolution (SISR) and many other vision tasks. Their performances are also being increased by deepening the networks and developing…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Joon Young Ahn , Nam Ik Cho

A new strategy for global geometry optimization of clusters is presented. Important features are a restriction of search space to favorable nearest-neighbor distance ranges, a suitable cluster growth representation with diminished…

chem-ph · Physics 2009-10-28 Bernd Hartke

The optimization of atomic structures plays a pivotal role in understanding and designing materials with desired properties. However, conventional computational methods often struggle with the formidable task of navigating the vast…

Materials Science · Physics 2024-11-19 Peder Lyngby , Casper Larsen , Karsten Wedel Jacobsen

We introduce an atomistic classifier based on a combination of spectral graph theory and a Voronoi tessellation method. This classifier allows for the discrimination between structures from different minima of a potential energy surface,…

Chemical Physics · Physics 2024-07-19 Andreas Møller Slavensky , Bjørk Hammer

Neural architecture search (NAS) is a recent methodology for automating the design of neural network architectures. Differentiable neural architecture search (DARTS) is a promising NAS approach that dramatically increases search efficiency.…

Machine Learning · Computer Science 2021-04-22 Erik Bodin , Federico Tomasi , Zhenwen Dai

We present a new global optimization algorithm in which the influence of the leaders in social groups is used as an inspiration for the evolutionary technique which is designed into a group architecture. To demonstrate the efficiency of the…

Neural and Evolutionary Computing · Computer Science 2015-03-14 Anmer Daskin , Sabre Kais

Neural Architecture Search (NAS) aims to automatically excavate the optimal network architecture with superior test performance. Recent neural architecture search (NAS) approaches rely on validation loss or accuracy to find the superior…

Computer Vision and Pattern Recognition · Computer Science 2023-05-19 Joonhyun Jeong , Joonsang Yu , Geondo Park , Dongyoon Han , YoungJoon Yoo

A first-principles based methodology for efficiently and accurately finding thermodynamically stable and metastable atomic structures is introduced and benchmarked. The approach is demonstrated for gas-phase metal-oxide clusters in…

Fast and accurate prediction of optimal crystal structure, topology, and microstructures is important for accelerating the design and discovery of new materials. A challenge lies in the exorbitantly large structural and compositional space…

Tensor network structure search (TN-SS) aims to automatically discover optimal network topologies and rank configurations for efficient tensor decomposition in high-dimensional data representation. Despite recent advances, existing TN-SS…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Maolin Wang , Bowen Yu , Sheng Zhang , Linjie Mi , Wanyu Wang , Yiqi Wang , Pengyue Jia , Xuetao Wei , Zenglin Xu , Ruocheng Guo , Xiangyu Zhao

Modern Neural Architecture Search methods have repeatedly broken state-of-the-art results for several disciplines. The super-network, a central component of many such methods, enables quick estimates of accuracy or loss statistics for any…

Machine Learning · Computer Science 2021-12-16 Kevin Alexander Laube , Andreas Zell

Neural architecture search (NAS) has attracted a lot of attention and has been illustrated to bring tangible benefits in a large number of applications in the past few years. Architecture topology and architecture size have been regarded as…

Machine Learning · Computer Science 2021-01-27 Xuanyi Dong , Lu Liu , Katarzyna Musial , Bogdan Gabrys

The implementation of adaptive genetic algorithms (AGA) for optimization problems has proven to be superior than many other methods due to its nature of producing more robust and high quality solutions. Considering the complexity involved…

Computational Physics · Physics 2024-11-28 Brandon Willnecker , Mervlyn Moodley

We introduce the first Neural Architecture Search (NAS) method to find a better transformer architecture for image recognition. Recently, transformers without CNN-based backbones are found to achieve impressive performance for image…

Computer Vision and Pattern Recognition · Computer Science 2021-08-18 Boyu Chen , Peixia Li , Chuming Li , Baopu Li , Lei Bai , Chen Lin , Ming Sun , Junjie yan , Wanli Ouyang