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In many real-world applications, data are often unlabeled and comprised of different representations/views which often provide information complementary to each other. Although several multi-view clustering methods have been proposed, most…

Machine Learning · Computer Science 2018-10-19 Lifang He , Chun-ta Lu , Yong Chen , Jiawei Zhang , Linlin Shen , Philip S. Yu , Fei Wang

Subtype Discovery consists in finding interpretable and consistent sub-parts of a dataset, which are also relevant to a certain supervised task. From a mathematical point of view, this can be defined as a clustering task driven by…

Machine Learning · Statistics 2021-07-06 Robin Louiset , Pietro Gori , Benoit Dufumier , Josselin Houenou , Antoine Grigis , Edouard Duchesnay

We propose a training scheme to train neural network-based source separation algorithms from scratch when parallel clean data is unavailable. In particular, we demonstrate that an unsupervised spatial clustering algorithm is sufficient to…

Machine Learning · Computer Science 2019-04-03 Lukas Drude , Daniel Hasenklever , Reinhold Haeb-Umbach

Classification and clustering have been studied separately in machine learning and computer vision. Inspired by the recent success of deep learning models in solving various vision problems (e.g., object recognition, semantic segmentation)…

Machine Learning · Computer Science 2017-12-13 Ali Borji , Aysegul Dundar

Image clustering is one of the most important computer vision applications, which has been extensively studied in literature. However, current clustering methods mostly suffer from lack of efficiency and scalability when dealing with…

Machine Learning · Computer Science 2017-08-10 Kamran Ghasedi Dizaji , Amirhossein Herandi , Cheng Deng , Weidong Cai , Heng Huang

This paper presents CLUSTERFORMER, a universal vision model that is based on the CLUSTERing paradigm with TransFORMER. It comprises two novel designs: 1. recurrent cross-attention clustering, which reformulates the cross-attention mechanism…

Computer Vision and Pattern Recognition · Computer Science 2023-10-09 James C. Liang , Yiming Cui , Qifan Wang , Tong Geng , Wenguan Wang , Dongfang Liu

Face clustering is an essential task in computer vision due to the explosion of related applications such as augmented reality or photo album management. The main challenge of this task lies in the imperfectness of similarities among image…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Xiaotian Yu , Yifan Yang , Aibo Wang , Ling Xing , Hanling Yi , Guangming Lu , Xiaoyu Wang

Unsupervised Deep Distance Metric Learning (UDML) aims to learn sample similarities in the embedding space from an unlabeled dataset. Traditional UDML methods usually use the triplet loss or pairwise loss which requires the mining of…

Computer Vision and Pattern Recognition · Computer Science 2020-09-10 Binh X. Nguyen , Binh D. Nguyen , Gustavo Carneiro , Erman Tjiputra , Quang D. Tran , Thanh-Toan Do

We present an unsupervised data processing workflow that is specifically designed to obtain a fast conformational clustering of long molecular dynamics simulation trajectories. In this approach we combine two dimensionality reduction…

Chemical Physics · Physics 2023-08-09 Simon Hunkler , Kay Diederichs , Oleksandra Kukharenko , Christine Peter

End-to-end training from scratch of current deep architectures for new computer vision problems would require Imagenet-scale datasets, and this is not always possible. In this paper we present a method that is able to take advantage of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-25 Lluis Gomez , Yash Patel , Marçal Rusiñol , Dimosthenis Karatzas , C. V. Jawahar

Unsupervised text embedding has shown great power in a wide range of NLP tasks. While text embeddings are typically learned in the Euclidean space, directional similarity is often more effective in tasks such as word similarity and document…

Computation and Language · Computer Science 2019-11-05 Yu Meng , Jiaxin Huang , Guangyuan Wang , Chao Zhang , Honglei Zhuang , Lance Kaplan , Jiawei Han

Computer vision and machine learning tools offer an exciting new way for automatically analyzing and categorizing information from complex computer simulations. Here we design an ensemble machine learning framework that can independently…

Computer Vision and Pattern Recognition · Computer Science 2021-09-06 Maarja Bussov , Joonas Nättilä

Clustering is widely used in unsupervised learning method that deals with unlabeled data. Deep clustering has become a popular study area that relates clustering with Deep Neural Network (DNN) architecture. Deep clustering method…

Machine Learning · Computer Science 2020-07-14 Abu Quwsar Ohi , M. F. Mridha , Farisa Benta Safir , Md. Abdul Hamid , Muhammad Mostafa Monowar

In this thesis, we address the challenging problem of unpaired multi-view clustering (UMC), which aims to achieve effective joint clustering using unpaired samples observed across multiple views. Traditional incomplete multi-view clustering…

Computer Vision and Pattern Recognition · Computer Science 2025-10-17 Like Xin , Wanqi Yang , Lei Wang , Ming Yang

Nowadays, document clustering is considered as a data intensive task due to the dramatic, fast increase in the number of available documents. Nevertheless, the features that represent those documents are also too large. The most common…

Databases · Computer Science 2015-05-13 Abdelrahman Elsayed , Hoda M. O. Mokhtar , Osama Ismail

Unsupervised machine learning is one of the main techniques employed in artificial intelligence. We introduce an algorithm for quantum-assisted unsupervised data clustering using the self-organizing feature map, a type of artificial neural…

Quantum Physics · Physics 2025-01-13 Ilia D. Lazarev , Marek Narozniak , Tim Byrnes , Alexey N. Pyrkov

Multimodal search has revolutionized the fashion industry, providing a seamless and intuitive way for users to discover and explore fashion items. Based on their preferences, style, or specific attributes, users can search for products by…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Prithviraj Purushottam Naik , Rohit Agarwal

We conduct a systematic robustness analysis of the unsupervised machine learning module within the hybrid framework \texttt{USmorph}. This module automatically discovers morphological structures from large-scale galaxy images, forming the…

Astrophysics of Galaxies · Physics 2026-05-21 Guanwen Fang , Xiaolei Yin , Yirui Zheng , Zesen Lin , Shiwei Zhu , Jie Song , Chichun Zhou , Xu Kong

Analyzing and visualizing scientific ensemble datasets with high dimensionality and complexity poses significant challenges. Dimensionality reduction techniques and autoencoders are powerful tools for extracting features, but they often…

Machine Learning · Computer Science 2026-01-19 Hamid Gadirov , Lennard Manuel , Steffen Frey

Text classification of unseen classes is a challenging Natural Language Processing task and is mainly attempted using two different types of approaches. Similarity-based approaches attempt to classify instances based on similarities between…

Computation and Language · Computer Science 2023-07-25 Tim Schopf , Daniel Braun , Florian Matthes