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【學術預告】Vectorization-based Color Transfer for Portrait Images

發布日期:2019-07-10    作者:     來源:     點擊:

題目: Vectorization-based Color Transfer for Portrait Images

報告人:賀英,新加坡南洋理工大學計算機科學和工程系副教授

時間:2019年7月13日 9:00am – 10:30am. 

地點:辦公樓310會議室

摘要: I will introduce a method for transferring colors between portrait images. Using a trained neural network to extract facial mask, we vectorize each image with a set of sparse diffusion curves to encode the low-frequency colors, and use the Laplacian of residual colors to represent the high-frequency details. Then we apply optimal mass transport to transfer the boundary colors between the diffusion curves of the source and reference images. Finally, the original or modified Laplacians of colors are added to the transferred diffusion curve image. Unlike the existing methods that either require 3D information or assume the source and reference images have similar poses and dense correspondence, our method is computationally efficient and flexible, which can work for portrait images with large pose and color differences.

報告人簡介: Ying He is currently an associate professor at School of Computer Engineering, Nanyang Technological University, Singapore. He received the BS and MS degrees in electrical engineering from Tsinghua University, China, and the PhD degree in computer science from Stony Brook University, USA. His research interests fall into the general areas of visual computing and he is particularly interested in the problems which require geometric analysis and computation.

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