理学论坛第一百八十一次学术活动(曾铁勇报告)

发布时间:2021-04-28浏览次数:112

报告题目:The Artificial Trust Region Method for Image Recovery

报告人:曾铁勇 教授

报告人单位:香港中文大学 数学系

时间:202142916:00

地点:教2-314

主办单位:理学院

报告内容In mathematical optimization, a trust region is the subset of the region of the objective function that is approximated using a model function (often a quadratic). If an adequate model of the objective function is found within the trust region, then the region is expanded; conversely, if the approximation is poor, then the region is contracted. Trust-region methods are also known as restricted-step methods. In this talk, we illustrate how to use a fixed trust region method for image recovery.

报告人简介:曾铁勇,博士,香港中文大学数学人工智能中心主任,于2000年本科毕业于北京大学,2007年巴黎第十三大学获得博士学位。主要研究领域包括数据科学,优化理论,图像处理,反问题等。在优化、图像处理、反问题的国际一流杂志SIAM Journal on Imaging Sciences, SIAM Journal on Scientific Computing, International Journal of Computer Vision, Journal of Scientific ComputingIEEE PAMI, IEEE TNNLS, IEEE Transactions on Image ProcessingPattern RecognitionJournal of Mathematical Imaging and Vision等发表过近八十篇SCI论文。

 


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