arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1701.08473cs.LGstat.ML
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基于模型的点模式数据分类与新颖性检测

Model-based Classification and Novelty Detection For Point Pattern Data

Curtin University(科廷大学);Deakin University(迪肯大学)

Ba-Ngu Vo, Quang N. Tran, Dinh Phung, Ba-Tuong Vo

摘要:

点模式是无序元素的集合或多集合,可以在许多数据源中找到。然而,在数据分析任务,如分类和新颖性检测,适当的点模式数据的统计模型没有得到太多的关注。提出了一种基于随机有限集的点模式数据建模方法。特别是,我们提出了适当的似然函数,并学习一个易于处理的家庭RFS模型的最大似然估计。在新颖性检测,我们提出了新的排名功能的基础上RFS模型,大大提高了性能。

英文摘要:

Point patterns are sets or multi-sets of unordered elements that can be found in numerous data sources. However, in data analysis tasks such as classification and novelty detection, appropriate statistical models for point pattern data have not received much attention. This paper proposes the modelling of point pattern data via random finite sets (RFS). In particular, we propose appropriate likelihood functions, and a maximum likelihood estimator for learning a tractable family of RFS models. In novelty detection, we propose novel ranking functions based on RFS models, which substantially improve performance.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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