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A probability density function (pdf) encodes the entire stochastic knowledge about data distribution, where data may represent stochastic observations in robotics, transition state pairs in reinforcement learning or any other empirically…

机器学习 · 计算机科学 2018-09-18 Dmitry Kopitkov , Vadim Indelman

Automatic skin lesion segmentation on dermoscopic images is an essential component in computer-aided diagnosis of melanoma. Recently, many fully supervised deep learning based methods have been proposed for automatic skin lesion…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Xiaomeng Li , Lequan Yu , Hao Chen , Chi-Wing Fu , Pheng-Ann Heng

Semi-supervised learning has attracted much attention in medical image segmentation due to challenges in acquiring pixel-wise image annotations, which is a crucial step for building high-performance deep learning methods. Most existing…

计算机视觉与模式识别 · 计算机科学 2020-10-22 Shuailin Li , Chuyu Zhang , Xuming He

In recent years, significant advancements have been made in computational methods for analyzing masonry structures. Within the Finite Element Method, two primary approaches have gained traction: Micro and Macro Scale modeling, and their…

计算工程、金融与科学 · 计算机科学 2024-09-02 Alejandro Cornejo , Philip Kalkbrenner , Riccardo Rossi , Luca Pelà

Recently, advances in deep learning have been observed in various fields, including computer vision, natural language processing, and cybersecurity. Machine learning (ML) has demonstrated its ability as a potential tool for anomaly…

Within a structural health monitoring (SHM) framework, we propose a simulation-based classification strategy to move towards online damage localization. The procedure combines parametric Model Order Reduction (MOR) techniques and Fully…

机器学习 · 计算机科学 2021-03-29 Luca Rosafalco , Matteo Torzoni , Andrea Manzoni , Stefano Mariani , Alberto Corigliano

The gap between our ability to collect interesting data and our ability to analyze these data is growing at an unprecedented rate. Recent algorithmic attempts to fill this gap have employed unsupervised tools to discover structure in data.…

机器学习 · 计算机科学 2018-01-23 Genevieve Flaspohler , Nicholas Roy , Yogesh Girdhar

Computer vision for detecting building pathologies has interested researchers for quite some time. Vision-based crack detection is a non-destructive assessment technique, which can be useful especially for Cultural Heritage (CH) where…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Panagiotis Agrafiotis , Anastastios Doulamis , Andreas Georgopoulos

Semi-supervised learning (SSL) has been extensively studied to improve the generalization ability of deep neural networks for visual recognition. To involve the unlabelled data, most existing SSL methods are based on common density-based…

计算机视觉与模式识别 · 计算机科学 2020-03-31 Suichan Li , Bin Liu , Dongdong Chen , Qi Chu , Lu Yuan , Nenghai Yu

Quantitative susceptibility mapping (QSM) is a useful magnetic resonance imaging (MRI) technique which provides spatial distribution of magnetic susceptibility values of tissues. QSMs can be obtained by deconvolving the dipole kernel from…

计算机视觉与模式识别 · 计算机科学 2020-12-08 Gyutaek Oh , Hyokyoung Bae , Hyun-Seo Ahn , Sung-Hong Park , Jong Chul Ye

Change detection in heterogeneous multitemporal satellite images is an emerging and challenging topic in remote sensing. In particular, one of the main challenges is to tackle the problem in an unsupervised manner. In this paper we propose…

计算机视觉与模式识别 · 计算机科学 2020-01-08 Luigi T. Luppino , Filippo M. Bianchi , Gabriele Moser , Stian N. Anfinsen

Self-training based semi-supervised learning algorithms have enabled the learning of highly accurate deep neural networks, using only a fraction of labeled data. However, the majority of work on self-training has focused on the objective of…

Unsupervised machine learning methods are used to identify structural changes using the melting point transition in classical molecular dynamics simulations as an example application of the approach. Dimensionality reduction and clustering…

计算物理 · 物理学 2018-12-06 Nicholas Walker , Ka-Ming Tam , Brian Novak , M. Jarrell

Guided wave-based techniques have been used extensively in Structural Health Monitoring (SHM). Models using guided waves can provide information from both time and frequency domains to make themselves accurate and robust. Probabilistic SHM…

信号处理 · 电气工程与系统科学 2025-05-06 Yiming Fan , Fotis Kopsaftopoulos

We propose a method for nonparametric density estimation that exhibits robustness to contamination of the training sample. This method achieves robustness by combining a traditional kernel density estimator (KDE) with ideas from classical…

机器学习 · 统计学 2011-09-07 JooSeuk Kim , Clayton D. Scott

Self-supervised monocular depth estimation (SSMDE) has gained attention in the field of deep learning as it estimates depth without requiring ground truth depth maps. This approach typically uses a photometric consistency loss between a…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Wonhyeok Choi , Kyumin Hwang , Minwoo Choi , Kiljoon Han , Wonjoon Choi , Mingyu Shin , Sunghoon Im

There is a rising interest in further exploring the zero-shot learning potential of large pre-trained language models (PLMs). A new paradigm called data-generation-based zero-shot learning has achieved impressive success. In this paradigm,…

计算与语言 · 计算机科学 2023-02-28 Jiahui Gao , Renjie Pi , Yong Lin , Hang Xu , Jiacheng Ye , Zhiyong Wu , Weizhong Zhang , Xiaodan Liang , Zhenguo Li , Lingpeng Kong

In recent years, deep hashing methods have been proved to be efficient since it employs convolutional neural network to learn features and hashing codes simultaneously. However, these methods are mostly supervised. In real-world…

计算机视觉与模式识别 · 计算机科学 2018-03-20 Sheng Jin

This paper introduces a novel learning-based Stochastic Hybrid System (LSHS) approach for detecting and classifying various contingencies in modern power systems. Specifically, the proposed method is capable of identifying hidden…

系统与控制 · 电气工程与系统科学 2025-01-24 Erfan Mehdipour Abadi , Hamid Varmazyari , Masoud H. Nazari

Zero-Shot Learning (ZSL) targets at recognizing unseen categories by leveraging auxiliary information, such as attribute embedding. Despite the encouraging results achieved, prior ZSL approaches focus on improving the discriminant power of…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Lianbo Zhang , Shaoli Huang , Xinchao Wang , Wei Liu , Dacheng Tao
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