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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Xuesong Zhang Silong Peng Jing Jiang |
| Copyright Year | 2008 |
| Description | Author affiliation: Inst. of Autom., Chinese Acad. of Sci., Beijing (Xuesong Zhang; Silong Peng) || North China Inst. of Sci. & Technol., Beijing (Jing Jiang) |
| Abstract | The size of training set as well as the usage thereof is an important issue of learning-based super-resolution. In this paper, we presented an adaptive learning method for face hallucination using locality preserving projections (LPP). By virtue of the ability to reveal the non-linear structure hidden in the high-dimensional image space, LPP is an efficient manifold learning method to analyze the local intrinsic features on the manifold of local facial areas. By searching out patches online in the LPP sub-space, which makes the resultant training set tailored to the testing patch, our algorithm performed the adaptive sample selection and then effectively restored the lost high-frequency components of the low-resolution face image by patch-based eigen transformation using the dynamic training set. Finally, experiments fully demonstrated that the proposed method can achieve good performance of super-resolution reconstruction by utilizing a relative small sample. |
| Sponsorship | City of Amsterdam |
| Starting Page | 1 |
| Ending Page | 8 |
| File Size | 849225 |
| Page Count | 8 |
| File Format | |
| ISBN | 9781424421534 |
| DOI | 10.1109/AFGR.2008.4813394 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-09-17 |
| Publisher Place | Netherlands |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Learning systems Strontium Image reconstruction Testing Spatial resolution Low pass filters Partial response channels Image restoration Image resolution Automation |
| Content Type | Text |
| Resource Type | Article |
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