5月15日史晓平(Thompson Rivers University)报告

发布者:系统管理员发布时间:2018-05-09浏览次数:112


  

  

  

学术报告

  

  

  

报告题目:Modeling high-dimensional time series

报 告 人:史晓平 博士

          Thompson Rivers University

时 间:515(星期二)上午10:00

地 点:统计研究院431教室

摘 要: Modeling high-dimensional time series is necessary in many fields such as neuroscience, signal processing, network evolution, text analysis, and image analysis. Such a time series may contain unknown multiple change-points. For example, the time of cell divisions can be accessed using an automatic embryo monitoring system by a time-lapse observation. When a cell divides at some time point, the distribution of pixel values in the corresponding frame will change, and hence the detection of cell divisions can be formulated as a multiple change-point problem. In this talk, a powerful graph-based change-point detection is introduced.





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