2016年7月21日(周四)上午10:00
校本部翔英大楼 912 室
讲座: 光场的收罗和处理(Light Field Acquisition and Processing)
金欣 副教授, 清华大学深圳研究生院
演讲者简介:
金欣,,清华大学深圳研究生院,,副教授,,博士生导师,,IEEE 高级会员,,中国数字音视频编解码手艺标准事情组3D视频组组长,,深圳市地方级领武士才,,深圳市外洋高条理人才。。。。2012年4月起兼任日本早稻田大学客座研究员、一流大学国枷质郸,,西交利物浦大学校外评审专家,,以及深圳市科技专家委员会评审专家。。。。近年来一直从事多媒体信号处理和盘算成像方面的研究,,主持和加入了国家自然科学基金、国家863项目等10余项国家、国际和省部级科研项目。。。。荣获2016年广东省科学手艺一等奖;;;;;;早稻田大学IT研究机构2010年度奖励赏;;;;;;IEEE SSCS Seoul Chapter Award;;;;;;中国数字音视频编解码手艺标准事情组(AVS)2004年度孝顺奖等多个海内外学术奖项。。。。在多媒体信号处理和盘算成像相关的国际著名期刊和学术聚会上共揭晓SCI/EI收录学术论文100篇,,获授权中国发明专利8项,,果真20余项,,PCT 2项;;;;;;现为IEEE 高级会员,,SPIE和ACM会员,,ISO/IEC MPEG和ITU-T VCEG视频组成员;;;;;;担当PCM2016、VCIP2016等多个国际学术聚会的Special Session Chair和手艺委员会委员TPC Member;;;;;;担当包括IEEE TIP、IEEE TCSVT、IEEE TMM等多个国际期刊和ICIP、ISCAS等多个领域著名国际学术聚会审稿人。。。。
讲座摘要:
Abstract: Traditional cameras integrate light over the dimensions, such as directions, colors, temporal variations, by converting photons into electrons. The process preserves a subset of two dimensional, or some three dimensional, time varying information, while loses a huge amount of information in other plenoptic dimensions. In this talk, starting from the history of light field theory, an introduction of plenoptic function, which is a ray-based model for light including the color spectrum as well as spatial, temporal and directional variation, will be provided. An overview of light field acquisition will be given together with the comparison with the conventional image acquisition to demonstrate its advantage in preserving the plenoptic dimensions. Then, two light field processing techniques developed by us will be introduced. One targets estimating the depth information from light field data captured by hand-held plenoptic cameras; the other is applied to imaging through scattering media. Theoretical analysis and experimental results demonstrated the effectiveness of the proposed approaches in accuracy, fidelity and computational complexity.
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