QIU Tianshuang   

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Language:English

Paper Publications

Title of Paper:Deblurring traffic sign images based on exemplars.

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Date of Publication:2018-01-01

Journal:PloS one

Included Journals:PubMed、SCIE

Volume:13

Issue:3

Page Number:e0191367

ISSN No.:1932-6203

Abstract:Motion blur appearing in traffic sign images may lead to poor recognition results, and therefore it is of great significance to study how to deblur the images. In this paper, a novel method for deblurring traffic sign is proposed based on exemplars and several related approaches are also made. First, an exemplar dataset construction method is proposed based on multiple-size partition strategy to lower calculation cost of exemplar matching. Second, a matching criterion based on gradient information and entropy correlation coefficient is also proposed to enhance the matching accuracy. Third, L0.5-norm is introduced as the regularization item to maintain the sparsity of blur kernel. Experiments verify the superiority of the proposed approaches and extensive evaluations against state-of-the-art methods demonstrate the effectiveness of the proposed algorithm.

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