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This work addresses the inverse identification of apparent elastic properties of random heterogeneous materials using machine learning based on artificial neural networks. The proposed neural network-based identification method requires the…

机器学习 · 计算机科学 2021-02-12 Florent Pled , Christophe Desceliers , Tianyu Zhang

In differentiable neural architecture search (NAS) algorithms like DARTS, the training set used to update model weight and the validation set used to update model architectures are sampled from the same data distribution. Thus, the uncommon…

机器学习 · 计算机科学 2021-12-02 Ruisi Zhang , Youwei Liang , Sai Ashish Somayajula , Pengtao Xie

The inference of networks of dependencies by Gaussian Graphical models on high-throughput data is an open issue in modern molecular biology. In this paper we provide a comparative study of three methods to obtain small sample and high…

分子网络 · 定量生物学 2022-03-02 P. F. Stifanelli , T. M. Creanza , R. Anglani , V. C. Liuzzi , S. Mukherjee , N. Ancona

Non-target screening consists in searching a sample for all present substances, suspected or unknown, with very little prior knowledge about the sample. This approach has been introduced more than a decade ago in the field of water…

Background/Aim. This study aims to predict Amyloid Positron Emission Tomography (AmyloidPET) status with multimodal retinal imaging and convolutional neural networks (CNNs) and to improve the performance through pretraining with synthetic…

Breast cancer classification remains a challenging task due to inter-class ambiguity and intra-class variability. Existing deep learning-based methods try to confront this challenge by utilizing complex nonlinear projections. However, these…

计算机视觉与模式识别 · 计算机科学 2020-10-08 Xiao Kang , Xingbo Liu , Xiushan Nie , Xiaoming Xi , Yilong Yin

We propose a higher-level associative memory for learning adversarial networks. Generative adversarial network (GAN) framework has a discriminator and a generator network. The generator (G) maps white noise (z) to data samples while the…

机器学习 · 计算机科学 2016-11-23 Tarik Arici , Asli Celikyilmaz

There is a common belief that the successful training of deep neural networks requires many annotated training samples, which are often expensive and difficult to obtain especially in the biomedical imaging field. While it is often easy for…

计算机视觉与模式识别 · 计算机科学 2019-12-11 Tony C. W Mok , Albert C. S Chung

Differentiable Architecture Search (DARTS) provides a baseline for searching effective network architectures based gradient, but it is accompanied by huge computational overhead in searching and training network architecture. Recently, many…

机器学习 · 计算机科学 2020-10-19 Zhaowen Wang , Wei Zhang , Zhiming Wang

Low-loss electron energy loss spectroscopy (EELS) has emerged as a technique of choice for exploring the localization of plasmonic phenomena at the nanometer level, necessitating analysis of physical behaviors from 3D spectral data sets.…

Bayesian inference promises to ground and improve the performance of deep neural networks. It promises to be robust to overfitting, to simplify the training procedure and the space of hyperparameters, and to provide a calibrated measure of…

机器学习 · 计算机科学 2019-08-12 Jonathan Heek , Nal Kalchbrenner

Purpose: To propose an alternating learning approach to learn the sampling pattern (SP) and the parameters of variational networks (VN) in accelerated parallel magnetic resonance imaging (MRI). Methods: The approach alternates between…

图像与视频处理 · 电气工程与系统科学 2021-10-29 Marcelo V. W. Zibetti , Florian Knoll , Ravinder R. Regatte

The unbounded permutations of biological molecules, including proteins and their constituent peptides, presents a dilemma in identifying the components of complex biosamples. Sequence search algorithms used to identify peptide spectra can…

定量方法 · 定量生物学 2023-05-17 Lewis Y. Geer , Joel Lapin , Douglas J. Slotta , Tytus D. Mak , Stephen E. Stein

This paper introduces BRIES, a novel compound AI architecture designed to detect and measure the effectiveness of persuasion attacks across information environments. We present a system with specialized agents: a Twister that generates…

计算与语言 · 计算机科学 2025-12-01 Svitlana Volkova , Will Dupree , Hsien-Te Kao , Peter Bautista , Gabe Ganberg , Jeff Beaubien , Laura Cassani

Aspect-based sentiment analysis predicts sentiment polarity with fine granularity. While graph convolutional networks (GCNs) are widely utilized for sentimental feature extraction, their naive application for syntactic feature extraction…

计算与语言 · 计算机科学 2024-09-10 Chen Li , Huidong Tang , Jinli Zhang , Xiujing Guo , Debo Cheng , Yasuhiko Morimoto

Currently, the methods called Iterative Ensemble Smoothers, especially the method called Ensemble Smoother with Multiple Data Assimilation (ESMDA) can be considered state-of-the-art for history matching in petroleum reservoir simulation.…

机器学习 · 计算机科学 2026-05-26 M. A. Sampaio , P. H. Ranazzi , M. J. Blunt

Spectrogram classification plays an important role in analyzing gravitational wave data. In this paper, we propose a framework to improve the classification performance by using Generative Adversarial Networks (GANs). As substantial efforts…

高能天体物理现象 · 物理学 2022-08-03 Jianqi Yan , Alex P. Leung , David C. Y. Hui

The particle filter is one of the most successful methods for state inference and identification of general non-linear and non-Gaussian models. However, standard particle filters suffer from degeneracy of the particle weights, in particular…

统计计算 · 统计学 2022-10-27 Anna Wigren , Lawrence Murray , Fredrik Lindsten

Analog Ising machines (AIMs) have emerged as a promising paradigm for combinatorial optimization, utilizing physical dynamics to solve Ising problems with high energy efficiency. However, the performance of traditional optimization and…

机器学习 · 计算机科学 2026-02-11 Aditya Choudhary , Saaketh Desai , Prasad Iyer

Application of the so called mxing-roughness-information depth (MRI)-model to the quantitative reconstruction of the in-depth distribution of composition is demonstrated by comparing SIMS and AES depth profiles. A GaAs/AlAs reference sample…

材料科学 · 物理学 2007-05-23 S. Hofmann , A. Rar , D. W. Moon , K. Yoshihara