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    Please use this identifier to cite or link to this item: https://tkuir.lib.tku.edu.tw/dspace/handle/987654321/78692

    Title: A Block-Based Orthogonal Locality Preserving Projection Method for Face Super-Resolution
    Authors: Yen, Shwu-huey;Wu, Che-ming;Wang, Hung-zhi
    Contributors: 淡江大學資訊工程學系
    Keywords: Orthogonal Locality Preserving Projections;OLPP;manifold;super-resolution;General Regression Neural Network;GRNN
    Date: 2012
    Issue Date: 2012-10-19 17:02:04 (UTC+8)
    Publisher: Heidelberg: Springer Berlin Heidelberg
    Abstract: Due to cost consideration, the quality of images captured from surveillance systems usually is poor. To restore the super-resolution of face images, this paper proposes to use Orthogonal Locality Preserving Projections (OLPP) to preserve the local structure of the face manifold and General Regression Neural Network (GRNN) to bridge the low-resolution and high-resolution faces. In the system, a face is divided into four blocks (forehead, eyes, nose, and mouth). The super-resolution process is applied on each block then combines them into a complete face. Comparing to existing methods, the proposed method has shown an improved and promising result.
    Relation: Lecture Notes in Computer Science 7197, pp.253-262
    DOI: 10.1007/978-3-642-28490-8_27
    Appears in Collections:[資訊工程學系暨研究所] 期刊論文

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