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Finding an interpretable non-redundant representation of real-world data is one of the key problems in Machine Learning. Biological neural networks are known to solve this problem quite well in unsupervised manner, yet unsupervised…

机器学习 · 计算机科学 2020-10-13 Denis Kuzminykh , Laida Kushnareva , Timofey Grigoryev , Alexander Zatolokin

Extracting large amounts of data from biological samples is not feasible due to radiation issues, and image processing in the small-data regime is one of the critical challenges when working with a limited amount of data. In this work, we…

机器学习 · 计算机科学 2020-07-21 Varun Mannam , Arman Kazemi

We address the challenge of training Vision Transformers (ViTs) when labeled data is scarce but unlabeled data is abundant. We propose Semi-Supervised Masked Autoencoder (SSMAE), a framework that jointly optimizes masked image…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Atik Faysal , Mohammad Rostami , Reihaneh Gh. Roshan , Nikhil Muralidhar , Huaxia Wang

The proliferation of optical, electron, and scanning probe microscopies gives rise to large volumes of imaging data of objects as diversified as cells, bacteria, pollen, to nanoparticles and atoms and molecules. In most cases, the…

机器学习 · 计算机科学 2021-05-26 Maxim Ziatdinov , Muammer Yusuf Yaman , Yongtao Liu , David Ginger , Sergei V. Kalinin

Density estimation, compression and data generation are crucial tasks in artificial intelligence. Variational Auto-Encoders (VAEs) constitute a single framework to achieve these goals. Here, we present a novel class of generative models,…

机器学习 · 统计学 2021-07-07 Ioannis Gatopoulos , Jakub M. Tomczak

We present the development of a semi-supervised regression method using variational autoencoders (VAE), which is customized for use in soft sensing applications. We motivate the use of semi-supervised learning considering the fact that…

机器学习 · 计算机科学 2022-12-12 Yilin Zhuang , Zhuobin Zhou , Burak Alakent , Mehmet Mercangöz

In this paper we propose Structuring AutoEncoders (SAE). SAEs are neural networks which learn a low dimensional representation of data which are additionally enriched with a desired structure in this low dimensional space. While traditional…

机器学习 · 计算机科学 2019-08-20 Marco Rudolph , Bastian Wandt , Bodo Rosenhahn

Unsupervised representation learning holds the promise of exploiting large amounts of unlabeled data to learn general representations. A promising technique for unsupervised learning is the framework of Variational Auto-encoders (VAEs).…

计算机视觉与模式识别 · 计算机科学 2020-04-09 Kamal Gupta , Saurabh Singh , Abhinav Shrivastava

Data-driven fault diagnostics of safety-critical systems often faces the challenge of a complete lack of labeled data associated with faulty system conditions (i.e., fault types) at training time. Since an unknown number and nature of fault…

机器学习 · 计算机科学 2020-10-01 Manuel Arias Chao , Bryan T. Adey , Olga Fink

We introduce the concept of a Modular Autoencoder (MAE), capable of learning a set of diverse but complementary representations from unlabelled data, that can later be used for supervised tasks. The learning of the representations is…

机器学习 · 计算机科学 2015-11-24 Henry W J Reeve , Gavin Brown

With the increasing number of deep multi-wavelength galaxy surveys, the spectral energy distribution (SED) of galaxies has become an invaluable tool for studying the formation of their structures and their evolution. In this context,…

天体物理仪器与方法 · 物理学 2017-07-12 Joana Frontera-Pons , Florent Sureau , Jerome Bobin , Emeric Le Floc'h

Graph representation learning is a fundamental research issue in various domains of applications, of which the inductive learning problem is particularly challenging as it requires models to generalize to unseen graph structures during…

机器学习 · 计算机科学 2024-03-27 Hanxuan Yang , Zhaoxin Yu , Qingchao Kong , Wei Liu , Wenji Mao

Machine learning techniques have shown remarkable accuracy in localization tasks, but their dependency on vast amounts of labeled data, particularly Channel State Information (CSI) and corresponding coordinates, remains a bottleneck.…

信号处理 · 电气工程与系统科学 2024-04-25 Ankan Dash , Jingyi Gu , Guiling Wang , Nirwan Ansari

Galaxy morphology offers significant insights into the evolutionary pathways and underlying physics of galaxies. As astronomical data grows with surveys such as Euclid and Vera C. Rubin , there is a need for tools to classify and analyze…

天体物理仪器与方法 · 物理学 2024-01-18 I. Kolesnikov , V. M. Sampaio , R. R. de Carvalho , C. Conselice , S. B. Rembold , C. L. Mendes , R. R. Rosa

We propose a new semi-supervised learning method of Variational AutoEncoder (VAE) which yields a customized and explainable latent space by EXplainable encoder Network (EXoN). Customization means a manual design of latent space layout for…

机器学习 · 统计学 2022-10-18 SeungHwan An , Hosik Choi , Jong-June Jeon

Lensed quasars are key to many areas of study in astronomy, offering a unique probe into the intermediate and far universe. However, finding lensed quasars has proved difficult despite significant efforts from large collaborations. These…

A feature learning task involves training models that are capable of inferring good representations (transformations of the original space) from input data alone. When working with limited or unlabelled data, and also when multiple visual…

计算机视觉与模式识别 · 计算机科学 2018-11-02 Gabriel B. Cavallari , Leonardo Sampaio Ferraz Ribeiro , Moacir Antonelli Ponti

In this work, we update the unsupervised machine learning (UML) step by proposing an algorithm based on ConvNeXt large model coding to improve the efficiency of unlabeled galaxy morphology classifications. The method can be summarized into…

星系天体物理 · 物理学 2025-01-03 Guanwen Fang , Yao Dai , Zesen Lin , Chichun Zhou , Jie Song , Yizhou Gu , Xiaotong Guo , Anqi Mao , Xu Kong

Variational Auto-Encoder (VAE) has been widely applied as a fundamental generative model in machine learning. For complex samples like imagery objects or scenes, however, VAE suffers from the dimensional dilemma between reconstruction…

机器学习 · 计算机科学 2020-02-18 Deli Zhao , Jiapeng Zhu , Bo Zhang

To achieve high-levels of autonomy, modern robots require the ability to detect and recover from anomalies and failures with minimal human supervision. Multi-modal sensor signals could provide more information for such anomaly detection…

机器人学 · 计算机科学 2020-12-17 Tianchen Ji , Sri Theja Vuppala , Girish Chowdhary , Katherine Driggs-Campbell