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To evaluate disentangled representations several metrics have been proposed. However, theoretical guarantees for conventional metrics of disentanglement are missing. Moreover, conventional metrics do not have a consistent correlation with…

机器学习 · 计算机科学 2021-03-25 Anna Sepliarskaia , Julia Kiseleva , Maarten de Rijke

Cluster analysis is a popular unsupervised learning tool used in many disciplines to identify heterogeneous sub-populations within a sample. However, validating cluster analysis results and determining the number of clusters in a data set…

机器学习 · 统计学 2024-04-26 Ali Turfah , Xiaoquan Wen

The measurement of dispersion is one of the most fundamental and ubiquitous statistical concepts, in both applied and theoretical contexts. For dispersion measures, such as the standard deviation, to effectively capture the variability of a…

统计方法学 · 统计学 2025-07-09 Andreas Eberl , Bernhard Klar

With the widespread use of online social media platforms, information diffusion has become a prevalent phenomenon, making Information Diffusion Prediction (IDP) increasingly important for various applications. Despite significant…

社会与信息网络 · 计算机科学 2024-11-01 Songbo Yang

Disentanglement is a highly desirable property of representation owing to its similarity to human understanding and reasoning. Many works achieve disentanglement upon information bottlenecks (IB). Despite their elegant mathematical…

机器学习 · 计算机科学 2022-04-26 Jiantao Wu , Lin Wang , Bo Yang , Fanqi Li , Chunxiuzi Liu , Jin Zhou

In this study, Disentanglement in Difference(DiD) is proposed to address the inherent inconsistency between the statistical independence of latent variables and the goal of semantic disentanglement in disentanglement representation…

机器学习 · 计算机科学 2025-04-04 Xingshen Zhang , Lin Wang , Shuangrong Liu , Xintao Lu , Chaoran Pang , Bo Yang

Spuriousness arises when there is an association between two or more variables in a dataset that are not causally related. In this work, we propose an explainability framework to preemptively disentangle the nature of such spurious…

机器学习 · 计算机科学 2025-11-17 Barproda Halder , Faisal Hamman , Pasan Dissanayake , Qiuyi Zhang , Ilia Sucholutsky , Sanghamitra Dutta

We propose a "decomposition method" to prove non-asymptotic bound for the convergence of empirical measures in various dual norms. The main point is to show that if one measures convergence in duality with sufficiently regular observables,…

概率论 · 数学 2018-02-13 Benoît Kloeckner

Knowledge distillation is widely adopted in semantic segmentation to reduce the computation cost.The previous knowledge distillation methods for semantic segmentation focus on pixel-wise feature alignment and intra-class feature variation…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Zhengbo Zhang , Chunluan Zhou , Zhigang Tu

Diffusion over a network refers to the phenomenon of a change of state of a cross-sectional unit in one period leading to a change of state of its neighbors in the network in the next period. One may estimate or test for diffusion by…

统计方法学 · 统计学 2022-05-17 Kyungchul Song

Divergence is not only an important mathematical concept in information theory, but also applied to machine learning problems such as low-dimensional embedding, manifold learning, clustering, classification, and anomaly detection. We…

统计计算 · 统计学 2016-11-22 Kun Yang , Hao Su , Wing Hung Wong

We develop a decentralized coloring approach to diversify the nodes in a complex network. The key is the introduction of a local conflict index that measures the color conflicts arising at each node which can be efficiently computed using…

社会与信息网络 · 计算机科学 2018-12-04 Richard Garcia-Lebron , David J. Myers , Shouhuai Xu , Jie Sun

To perform visual data exploration, many dimensionality reduction methods have been developed. These tools allow data analysts to represent multidimensional data in a 2D or 3D space, while preserving as much relevant information as…

计算机视觉与模式识别 · 计算机科学 2020-02-20 Benoît Colange , Laurent Vuillon , Sylvain Lespinats , Denys Dutykh

Integrated information theory is a mathematical, quantifiable theory of conscious experience. The linchpin of this theory, the $\phi$ measure, quantifies a system's irreducibility to disjoint parts. Purely as a measure of irreducibility, we…

信息论 · 计算机科学 2014-10-10 Virgil Griffith

Statistical divergence is widely applied in multimedia processing, basically due to regularity and interpretable features displayed in data. However, in a broader range of data realm, these advantages may no longer be feasible, and…

数据库 · 计算机科学 2020-11-20 Ruoyu Wang , Xiaobo Hu , Daniel Sun , Guoqiang Li , Raymond Wong , Shiping Chen , Jianquan Liu

The "curse of dimensionality" is a well-known problem in pattern recognition. A widely used approach to tackling the problem is a group of subspace methods, where the original features are projected onto a new space. The lower dimensional…

计算机视觉与模式识别 · 计算机科学 2019-12-13 Orod Razeghi , Guoping Qiu

This paper is devoted to the mathematical study of some divergences based on the mutual information well-suited to categorical random vectors. These divergences are generalizations of the "entropy distance" and "information distance". Their…

统计理论 · 数学 2016-08-16 Jean-François Coeurjolly , Rémy Drouilhet , Jean-François Robineau

A recent spate of state-of-the-art semi- and un-supervised solutions disentangle and encode image "content" into a spatial tensor and image appearance or "style" into a vector, to achieve good performance in spatially equivariant tasks…

计算机视觉与模式识别 · 计算机科学 2021-09-17 Xiao Liu , Spyridon Thermos , Gabriele Valvano , Agisilaos Chartsias , Alison O'Neil , Sotirios A. Tsaftaris

For distributions $\mathbb{P}$ and $\mathbb{Q}$ with different supports or undefined densities, the divergence $\textrm{D}(\mathbb{P}||\mathbb{Q})$ may not exist. We define a Spread Divergence $\tilde{\textrm{D}}(\mathbb{P}||\mathbb{Q})$ on…

机器学习 · 统计学 2022-12-06 Mingtian Zhang , Peter Hayes , Tom Bird , Raza Habib , David Barber

Past research relates design creativity to 'divergent thinking,' i.e., how well the concept space is explored during the early phase of design. Researchers have argued that generating several concepts would increase the chances of producing…

计算与语言 · 计算机科学 2024-08-02 Anubhab Majumder , Ujjwal Pal , Amaresh Chakrabarti