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dc.contributor.authorHuang, Hsiang-Chehen_US
dc.contributor.authorFang, Wai-Chien_US
dc.date.accessioned2014-12-08T15:20:45Z-
dc.date.available2014-12-08T15:20:45Z-
dc.date.issued2011-10-01en_US
dc.identifier.issn1424-8220en_US
dc.identifier.urihttp://dx.doi.org/10.3390/s111009717en_US
dc.identifier.urihttp://hdl.handle.net/11536/14763-
dc.description.abstractWith the widespread use of identification systems, establishing authenticity with sensors has become an important research issue. Among the schemes for making authenticity verification based on information security possible, reversible data hiding has attracted much attention during the past few years. With its characteristics of reversibility, the scheme is required to fulfill the goals from two aspects. On the one hand, at the encoder, the secret information needs to be embedded into the original image by some algorithms, such that the output image will resemble the input one as much as possible. On the other hand, at the decoder, both the secret information and the original image must be correctly extracted and recovered, and they should be identical to their embedding counterparts. Under the requirement of reversibility, for evaluating the performance of the data hiding algorithm, the output image quality, named imperceptibility, and the number of bits for embedding, called capacity, are the two key factors to access the effectiveness of the algorithm. Besides, the size of side information for making decoding possible should also be evaluated. Here we consider using the characteristics of original images for developing our method with better performance. In this paper, we propose an algorithm that has the ability to provide more capacity than conventional algorithms, with similar output image quality after embedding, and comparable side information produced. Simulation results demonstrate the applicability and better performance of our algorithm.en_US
dc.language.isoen_USen_US
dc.subjectreversible data hidingen_US
dc.subjecthistogramen_US
dc.subjectquadtreeen_US
dc.subjectimperceptibilityen_US
dc.subjectcapacityen_US
dc.subjectside informationen_US
dc.titleAuthenticity Preservation with Histogram-Based Reversible Data Hiding and Quadtree Conceptsen_US
dc.typeArticleen_US
dc.identifier.doi10.3390/s111009717en_US
dc.identifier.journalSENSORSen_US
dc.citation.volume11en_US
dc.citation.issue10en_US
dc.citation.spage9717en_US
dc.citation.epage9731en_US
dc.contributor.department電子工程學系及電子研究所zh_TW
dc.contributor.departmentDepartment of Electronics Engineering and Institute of Electronicsen_US
dc.identifier.wosnumberWOS:000296577000037-
dc.citation.woscount7-
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