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奥地利格拉茨理工大学助理教授刘健学术报告

发布时间:2017-10-18 编辑: 来源:

时间:10月18日上午09:30--10:20

地点:青岛校区N3楼402会议室

报告题目:

 Encoding of Natural Scenes by the Retina: from neuroscienceto robotics

报告摘要:

How natural scenes are encoded by retinal ganglion cells(RGCs) is still an unsolved problem. Here, we study how natural scenes arerepresented in the RGC responses by recording spikes from isolated retinas witha large-scale multielectrode array. We developed a data-driven approach,spike-triggered non-negative matrix factorization (NMF) for characterizing thesubunits of receptive field of RGCs . I show that knowledge about the subunitsis important for predicting RGC’s responses to natural images. I furtherdemonstrate that how these neuroscience observations are transferred toneuromorphic chips for the next generation of artificial retina and robotics. 

简历:

Dr. Jian Liu did his B.S./M.S. in China, and Ph.D. inmathematics at UCLA. After that he worked at CNRS-University Paris 5 for 2years, and then has been working at University of Goettingen until 2016.  From 2017, he is an assistant professor atGraz University of Technology to participate EU Human Brain Project. Dr. Liuhas been working on a wide range of topics in brain-inspired computation. Hisrecent work is about computational vision.

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