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We propose a lightweight deep convolutional neural network (lCNN) to estimate cosmological parameters from simulated three-dimensional dark matter (DM) halo distributions and associated statistics. The training dataset comprises 2000…

宇宙学与河外天体物理 · 物理学 2024-09-20 Zhiwei Min , Xu Xiao , Jiacheng Ding , Liang Xiao , Jie Jiang , Donglin Wu , Qiufan Lin , Yang Wang , Shuai Liu , Zhixin Chen , Xiangru Li , Jinqu Zhang , Le Zhang , Xiao-Dong Li

The customizable nature of deep learning models have allowed them to be successful predictors in various disciplines. These models are often trained with respect to thousands or millions of instances for complicated problems, but the…

机器学习 · 计算机科学 2019-12-24 Drimik Roy Chowdhury , Muhammad Firmansyah Kasim

Deep learning has established many new state of the art solutions in the last decade in areas such as object, scene and speech recognition. In particular Convolutional Neural Network (CNN) is a category of deep learning which obtains…

计算机视觉与模式识别 · 计算机科学 2016-09-26 Vincent Andrearczyk , Paul F. Whelan

In this work, we present a novel background subtraction system that uses a deep Convolutional Neural Network (CNN) to perform the segmentation. With this approach, feature engineering and parameter tuning become unnecessary since the…

计算机视觉与模式识别 · 计算机科学 2017-02-07 Mohammadreza Babaee , Duc Tung Dinh , Gerhard Rigoll

Machine Learning is an efficient method for analyzing and interpreting the increasing amount of astronomical data that is available. In this study, we show, a pedagogical approach that should benefit anyone willing to experiment with Deep…

天体物理仪器与方法 · 物理学 2022-02-01 Marwan Gebran , Kathleen Connick , Hikmat Farhat , Frédéric Paletou , Ian Bentley

Convolutional neural networks (CNNs) have massively impacted visual recognition in 2D images, and are now ubiquitous in state-of-the-art approaches. CNNs do not easily extend, however, to data that are not represented by regular grids, such…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Nitika Verma , Edmond Boyer , Jakob Verbeek

Traditional steganalysis methods generally include two steps: feature extraction and classification.A variety of steganalysis algorithms based on CNN (Convolutional Neural Network) have appeared in recent years. Among them, the…

密码学与安全 · 计算机科学 2020-10-21 Ru Zhang , Sheng Zou , Jianyi Liu , Bingjie Lin , Dazhuang Liu

For successful applications of machine learning in materials informatics, it is necessary to overcome the inaccuracy of predictions ascribed to insufficient amount of data. In this study, we propose a transfer learning using a crystal graph…

材料科学 · 物理学 2021-02-01 Joohwi Lee , Ryoji Asahi

Remote sensing image scene classification is a fundamental but challenging task in understanding remote sensing images. Recently, deep learning-based methods, especially convolutional neural network-based (CNN-based) methods have shown…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Jie Chen , Haozhe Huang , Jian Peng , Jiawei Zhu , Li Chen , Wenbo Li , Binyu Sun , Haifeng Li

Features play a crucial role in computer vision. Initially designed to detect salient elements by means of handcrafted algorithms, features are now often learned by different layers in Convolutional Neural Networks (CNNs). This paper…

计算机视觉与模式识别 · 计算机科学 2021-11-18 Loris Nanni , Stefano Ghidoni , Sheryl Brahnam

Developing accurate, transferable and computationally inexpensive machine learning models can rapidly accelerate the discovery and development of new materials. Some of the major challenges involved in developing such models are, (i)…

Motivated by the necessity for parameter efficiency in distributed machine learning and AI-enabled edge devices, we provide a general and easy to implement method for significantly reducing the number of parameters of Convolutional Neural…

机器学习 · 计算机科学 2019-08-13 Hamed Omidvar , Vahideh Akhlaghi , Massimo Franceschetti , Rajesh K. Gupta

Identifying species of trees in aerial images is essential for land-use classification, plantation monitoring, and impact assessment of natural disasters. The manual identification of trees in aerial images is tedious, costly, and…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Italos Estilon de Souza , Alexandre Xavier Falcão

Traditional geological mapping, based on field observations and rock sample analysis, is inefficient for continuous spatial mapping of features like alteration zones. Deep learning models, such as convolutional neural networks (CNNs), have…

计算机视觉与模式识别 · 计算机科学 2025-02-27 Ehsan Farahbakhsh , Dakshi Goel , Dhiraj Pimparkar , R. Dietmar Muller , Rohitash Chandra

In this paper we review the mathematical foundations of convolutional neural nets (CNNs) with the goals of: i) highlighting connections with techniques from statistics, signal processing, linear algebra, differential equations, and…

机器学习 · 计算机科学 2021-07-08 Shengli Jiang , Victor M. Zavala

Time-resolved scanning probe microscopy methods, like time-resolved electrostatic force microscopy (trEFM), enable imaging of dynamic processes ranging from ion motion in batteries to electronic dynamics in microstructured thin film…

材料科学 · 物理学 2025-02-07 Madeleine D. Breshears , Rajiv Giridharagopal , David S. Ginger

We describe the class of convexified convolutional neural networks (CCNNs), which capture the parameter sharing of convolutional neural networks in a convex manner. By representing the nonlinear convolutional filters as vectors in a…

机器学习 · 计算机科学 2016-09-06 Yuchen Zhang , Percy Liang , Martin J. Wainwright

Recently, outstanding identification rates in image classification tasks were achieved by convolutional neural networks (CNNs). to use such skills, selective CNNs trained on a dataset of well-known images of metal surface defects captured…

计算机视觉与模式识别 · 计算机科学 2024-06-24 Nadeem Jabbar Chaudhry , M. Bilal Khan , M. Javaid Iqbal , Siddiqui Muhammad Yasir

The recognition and classification of the diversity of materials that exist in the environment around us are a key visual competence that computer vision systems focus on in recent years. Understanding the identification of materials in…

计算机视觉与模式识别 · 计算机科学 2017-10-20 Anca Sticlaru

Observing 3D magnetic fields, including orientation and strength, within the interstellar medium is vital but notoriously difficult. However, recent advances in our understanding of anisotropic magnetohydrodynamic (MHD) turbulence…

星系天体物理 · 物理学 2023-12-06 Yue Hu , A. Lazarian , Yan Wu , Chengcheng Fu