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Unsupervised image clustering methods often introduce alternative objectives to indirectly train the model and are subject to faulty predictions and overconfident results. To overcome these challenges, the current research proposes an…

Computer Vision and Pattern Recognition · Computer Science 2021-03-30 Sungwon Park , Sungwon Han , Sundong Kim , Danu Kim , Sungkyu Park , Seunghoon Hong , Meeyoung Cha

Multi-task clustering (MTC) has attracted a lot of research attentions in machine learning due to its ability in utilizing the relationship among different tasks. Despite the success of traditional MTC models, they are either easy to stuck…

Machine Learning · Computer Science 2018-08-27 Yazhou Ren , Xiaofan Que , Dezhong Yao , Zenglin Xu

Clustering has been a major research topic in the field of machine learning, one to which Deep Learning has recently been applied with significant success. However, an aspect of clustering that is not addressed by existing deep clustering…

Computer Vision and Pattern Recognition · Computer Science 2023-04-04 Ioannis Maniadis Metaxas , Georgios Tzimiropoulos , Ioannis Patras

In this paper, we describe a dataset relating to cellular and physical conditions of patients who are operated upon to remove colorectal tumours. This data provides a unique insight into immunological status at the point of tumour removal,…

Machine Learning · Computer Science 2013-07-08 Chris Roadknight , Uwe Aickelin , Alex Ladas , Daniele Soria , John Scholefield , Lindy Durrant

Clustering in education, particularly in large-scale online environments like MOOCs, is essential for understanding and adapting to diverse student needs. However, the effectiveness of clustering depends on its interpretability, which…

Human-Computer Interaction · Computer Science 2024-07-18 Isadora Salles , Paola Mejia-Domenzain , Vinitra Swamy , Julian Blackwell , Tanja Käser

Multilayer graphs are commonly used for representing different relations between entities and handling heterogeneous data processing tasks. Non-standard multilayer graph clustering methods are needed for assigning clusters to a common…

Machine Learning · Statistics 2017-08-10 Pin-Yu Chen , Alfred O. Hero

Count data is becoming more and more ubiquitous in a wide range of applications, with datasets growing both in size and in dimension. In this context, an increasing amount of work is dedicated to the construction of statistical models…

Subspace clustering aims to group data points that lie in a union of low-dimensional subspaces and finds wide application in computer vision, hyperspectral imaging, and recommendation systems. However, most existing methods assume fully…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Huanran Li , Daniel Pimentel-Alarcón

Clustering is a concept used in a huge variety of applications. We review a conceptually very simple algorithm for hierarchical clustering called in the following the {\it mutual information clustering} (MIC) algorithm. It uses mutual…

Quantitative Methods · Quantitative Biology 2008-09-10 Alexander Kraskov , Peter Grassberger

In this paper, we initiate a rigorous theoretical study of clustering with noisy queries (or a faulty oracle). Given a set of $n$ elements, our goal is to recover the true clustering by asking minimum number of pairwise queries to an…

Machine Learning · Statistics 2017-06-26 Arya Mazumdar , Barna Saha

We study the problem of clustering ranking vectors, where each vector represents preferences as an ordered list of distinct integers. Specifically, we focus on the k-centroids ranking vectors clustering problem (KRC), which aims to…

Machine Learning · Computer Science 2025-07-18 Ali Fattahi , Ali Eshragh , Babak Aslani , Meysam Rabiee

The success of contrastive language-image pretraining (CLIP) relies on the supervision from the pairing between images and captions, which tends to be noisy in web-crawled data. We present Mixture of Data Experts (MoDE) and learn a system…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Jiawei Ma , Po-Yao Huang , Saining Xie , Shang-Wen Li , Luke Zettlemoyer , Shih-Fu Chang , Wen-Tau Yih , Hu Xu

Kernel methods are popular in clustering due to their generality and discriminating power. However, we show that many kernel clustering criteria have density biases theoretically explaining some practically significant artifacts empirically…

Machine Learning · Statistics 2017-12-11 Dmitrii Marin , Meng Tang , Ismail Ben Ayed , Yuri Boykov

In collaborative learning, learners coordinate to enhance each of their learning performances. From the perspective of any learner, a critical challenge is to filter out unqualified collaborators. We propose a framework named meta…

Machine Learning · Computer Science 2022-09-29 Chenglong Ye , Reza Ghanadan , Jie Ding

Unsupervised clustering algorithms for vectors has been widely used in the area of machine learning. Many applications, including the biological data we studied in this paper, contain some boundary datapoints which show combination…

Machine Learning · Computer Science 2022-05-23 Yingcong Li , Chandra Sekhar Mukherjee , Jiapeng Zhang

Dual-energy computed tomography (DECT) is an advanced CT scanning technique enabling material characterization not possible with conventional CT scans. It allows the reconstruction of energy decay curves at each 3D image voxel, representing…

Image and Video Processing · Electrical Eng. & Systems 2022-02-01 Segolene Brivet , Faicel Chamroukhi , Mark Coates , Reza Forghani , Peter Savadjiev

The objectives of this paper are to explore ways to analyze breast cancer dataset in the context of unsupervised learning without prior training model. The paper investigates different ways of clustering techniques as well as preprocessing.…

Machine Learning · Computer Science 2021-09-06 Somenath Chakraborty , Beddhu Murali

Multi-contrast magnetic resonance imaging (MRI) plays a vital role in brain tumor segmentation and diagnosis by leveraging complementary information from different contrasts. Each contrast highlights specific tumor characteristics, enabling…

Image and Video Processing · Electrical Eng. & Systems 2025-03-10 Zhenxuan Zhang , Hongjie Wu , Jiahao Huang , Baihong Xie , Zhifan Gao , Junxian Du , Pete Lally , Guang Yang

The molecular characterization of tumor samples by multiple omics data sets of different types or modalities (e.g. gene expression, mutation, CpG methylation) has become an invaluable source of information for assessing the expected…

Applications · Statistics 2022-08-26 The Tien Mai , Leiv Rønneberg , Zhi Zhao , Manuela Zucknick , Jukka Corander

Multiple instance learning (MIL) is a powerful tool to solve the weakly supervised classification in whole slide image (WSI) based pathology diagnosis. However, the current MIL methods are usually based on independent and identical…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Zhuchen Shao , Hao Bian , Yang Chen , Yifeng Wang , Jian Zhang , Xiangyang Ji , Yongbing Zhang