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Unsupervised clustering of curves according to their shapes is an important problem with broad scientific applications. The existing model-based clustering techniques either rely on simple probability models (e.g., Gaussian) that are not…

机器学习 · 统计学 2015-04-03 Zhengwu Zhang , Debdeep Pati , Anuj Srivastava

Multi-Label Image Classification (MLIC) approaches usually exploit label correlations to achieve good performance. However, emphasizing correlation like co-occurrence may overlook discriminative features of the target itself and lead to…

计算机视觉与模式识别 · 计算机科学 2022-05-24 Jiazhi Xu , Sheng Huang , Fengtao Zhou , Luwen Huangfu , Daniel Zeng , Bo Liu

The extraordinary advancements in neuroscientific technology for brain recordings over the last decades have led to increasingly complex spatio-temporal datasets. To reduce oversimplifications, new models have been developed to be able to…

统计方法学 · 统计学 2020-09-22 Nicolo' Margaritella , Vanda Inacio , Ruth King

In this article, we consider a non-parametric Bayesian approach to multivariate quantile regression. The collection of related conditional distributions of a response vector Y given a univariate covariate X is modeled using a Dependent…

统计方法学 · 统计学 2020-07-03 Indrabati Bhattacharya , Subhashis Ghosal

In this paper, we investigate the use of an unsupervised label clustering technique and demonstrate that it enables substantial improvements in visual relationship prediction accuracy on the Person in Context (PIC) dataset. We propose to…

计算机视觉与模式识别 · 计算机科学 2018-09-11 Hsuan-Kung Yang , An-Chieh Cheng , Kuan-Wei Ho , Tsu-Jui Fu , Chun-Yi Lee

Clustering is a core task in machine learning with wide-ranging applications in data mining and pattern recognition. However, its unsupervised nature makes it inherently challenging. Many existing clustering algorithms suffer from critical…

机器学习 · 计算机科学 2025-07-29 Ahmed Shokry , Ayman Khalafallah

The use of external data in clinical trials offers numerous advantages, such as reducing the number of patients, increasing study power, and shortening trial durations. In Bayesian inference, information in external data can be transferred…

统计方法学 · 统计学 2025-09-17 Xuetao Lu , J. Jack Lee

In the era of Big Data, scalable and accurate clustering algorithms for high-dimensional data are essential. We present new Bayesian Distance Clustering (BDC) models and inference algorithms with improved scalability while maintaining the…

统计方法学 · 统计学 2024-09-02 Rafael Cabral , Maria de Iorio , Andrew Harris

Multiple clustering aims at exploring alternative clusterings to organize the data into meaningful groups from different perspectives. Existing multiple clustering algorithms are designed for single-view data. We assume that the…

机器学习 · 计算机科学 2019-05-16 Shixing Yao , Guoxian Yu , Jun Wang , Carlotta Domeniconi , Xiangliang Zhang

The rapid advancement of generative models has increased the demand for generated image detectors capable of generalizing across diverse and evolving generation techniques. However, existing methods, including those leveraging pre-trained…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Bo Liu , Qiao Qin , Qinghui He

Dirichlet process mixtures are flexible non-parametric models, particularly suited to density estimation and probabilistic clustering. In this work we study the posterior distribution induced by Dirichlet process mixtures as the sample size…

统计理论 · 数学 2022-11-29 Filippo Ascolani , Antonio Lijoi , Giovanni Rebaudo , Giacomo Zanella

Due to large number of entities in biomedical knowledge bases, only a small fraction of entities have corresponding labelled training data. This necessitates entity linking models which are able to link mentions of unseen entities using…

计算与语言 · 计算机科学 2021-04-12 Rico Angell , Nicholas Monath , Sunil Mohan , Nishant Yadav , Andrew McCallum

Multi-view clustering aims at integrating complementary information from multiple heterogeneous views to improve clustering results. Existing multi-view clustering solutions can only output a single clustering of the data. Due to their…

机器学习 · 计算机科学 2019-11-27 Shaowei Wei , Jun Wang , Guoxian Yu , Carlotta , Xiangliang Zhang

Multi-view clustering, a long-standing and important research problem, focuses on mining complementary information from diverse views. However, existing works often fuse multiple views' representations or handle clustering in a common…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Jie Xu , Yazhou Ren , Huayi Tang , Xiaorong Pu , Xiaofeng Zhu , Ming Zeng , Lifang He

In economic development, there are often regions that share similar economic characteristics, and economic models on such regions tend to have similar covariate effects. In this paper, we propose a Bayesian clustered regression for…

计量经济学 · 经济学 2020-06-30 Zhihua Ma , Yishu Xue , Guanyu Hu

In recent years, incomplete multi-view clustering, which studies the challenging multi-view clustering problem on missing views, has received growing research interests. Although a series of methods have been proposed to address this issue,…

计算机视觉与模式识别 · 计算机科学 2024-03-29 Jie Wen , Zheng Zhang , Yong Xu , Bob Zhang , Lunke Fei , Guo-Sen Xie

Technological advances facilitate the ability to acquire multimodal data, posing a challenge for recognition systems while also providing an opportunity to use the heterogeneous nature of the information to increase the generalization…

机器学习 · 计算机科学 2024-08-06 Paweł Zyblewski , Leandro L. Minku

In unsupervised feature learning, sample specificity based methods ignore the inter-class information, which deteriorates the discriminative capability of representation models. Clustering based methods are error-prone to explore the…

计算机视觉与模式识别 · 计算机科学 2020-07-16 Yifei Zhang , Chang Liu , Yu Zhou , Wei Wang , Weiping Wang , Qixiang Ye

Cluster analysis requires many decisions: the clustering method and the implied reference model, the number of clusters and, often, several hyper-parameters and algorithms' tunings. In practice, one produces several partitions, and a final…

机器学习 · 统计学 2023-08-14 Luca Coraggio , Pietro Coretto

Labelling tissue components in histology whole slide images (WSIs) is prohibitively labour-intensive: a single slide may contain tens of thousands of structures--cells, nuclei, and other morphologically distinct objects--each requiring…

定量方法 · 定量生物学 2026-04-13 Muhammad Haseeb Ahmad , Sharmila Rajendran , Damion Young , Jon Mason