Generalized Face Super-Resolution

	Generalized Face Super-Resolution
	Kui Jia ; Shaogang Gong
刊名	IEEE TRANSACTIONS ON IMAGE PROCESSING
	2008
卷号	17 期号:6 页码:873-886
英文摘要	Existing learning-based face super-resolution (hallucination) techniques generate high-resolution images of a single facial modality (i.e., at a fixed expression, pose and illumination) given one or set of low-resolution face images as probe. Here, we present a generalized approach based on a hierarchical tensor (multilinear) space representation for hallucinating high-resolution face images across multiple modalities, achieving generalization to variations in expression and pose. In particular, we formulate a unified tensor which can be reduced to two parts: a global image-based tensor for modeling the mappings among different facial modalities, and a local patch-based multiresolution tensor for incorporating high-resolution image details. For realistic hallucination of unregistered low-resolution faces contained in raw images, we develop an automatic face alignment algorithm capable of pixel-wise alignment by iteratively warping the probing face to its projection in the space of training face images. Our experiments show not only performance superiority over existing benchmark face super-resolution techniques on single modal face hallucination, but also novelty of our approach in coping with multimodal hallucination and its robustness in automatic alignment under practical imaging conditions.
收录类别	SCI
原文出处	http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=4497872&tag=1
语种	英语
内容类型	期刊论文
源URL	[http://ir.siat.ac.cn:8080/handle/172644/2163]
专题	深圳先进技术研究院_集成所
推荐引用方式 GB/T 7714	Kui Jia,Shaogang Gong. Generalized Face Super-Resolution[J]. IEEE TRANSACTIONS ON IMAGE PROCESSING,2008,17(6):873-886.
APA	Kui Jia,&Shaogang Gong.(2008).Generalized Face Super-Resolution.IEEE TRANSACTIONS ON IMAGE PROCESSING,17(6),873-886.
MLA	Kui Jia,et al."Generalized Face Super-Resolution".IEEE TRANSACTIONS ON IMAGE PROCESSING 17.6(2008):873-886.