Hallucinating Faces: Global Linear Modal Based Super-Resolution and Position Based Residue Compensation

Authors:
Xiang Ma;Junping Zhang;Chun Qi
Affiliations:
School of Electronics& Information Engineering, Xi'an Jiaotong University, Xi'an, China;Department of Computer Science and Engineering, Fudan University, Shanghai, China;School of Electronics& Information Engineering, Xi'an Jiaotong University, Xi'an, China
Venue:
ICIAP '09 Proceedings of the 15th International Conference on Image Analysis and Processing
Year:
2009

Citing 7
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Abstract

A learning-based face hallucination method is proposed in this paper for the reconstruction of a high-resolution face image from a low-resolution observation based on a set of high- and low-resolution training image pairs. The proposed global linear modal based super-resolution estimates the optimal weights of all the low-resolution training images and a high-resolution image is obtained by applying the estimated weights to the high-resolution space. Then, we propose a position based local residue compensation algorithm to better recover subtle details of face. Experiments demonstrate that our method has advantage over some established methods.