A novel face-hallucination scheme based on singular value decomposition

作者：

Highlights：

• A method for estimating HR face images based on SVD is proposed.

• The singular values of an image at different resolutions have approximately linear relationships.

• Methods to estimate the singular values and the two matrices of a HR face are proposed.

• Our algorithm can produce plausible HR images from LR face images.

摘要

•A method for estimating HR face images based on SVD is proposed.•The singular values of an image at different resolutions have approximately linear relationships.•Methods to estimate the singular values and the two matrices of a HR face are proposed.•Our algorithm can produce plausible HR images from LR face images.

论文关键词：Face hallucination,Face super-resolution,Singular value decomposition,Mapping model,Holistic constraints

论文评审过程：Received 3 September 2012, Revised 14 January 2013, Accepted 22 March 2013, Available online 16 April 2013.

论文官网地址：https://doi.org/10.1016/j.patcog.2013.03.020