Error diffusion and edge enhancement: raster versus omni-directional processing

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dc.contributor.author Arney, Jonathan en_US
dc.contributor.author Anderson, Peter en_US
dc.contributor.author Gunawan, Sunadi en_US
dc.date.accessioned 2006-12-18T16:51:17Z en_US
dc.date.available 2006-12-18T16:51:17Z en_US
dc.date.issued 2002-07 en_US
dc.identifier.citation The Journal of Imaging Science and Technology 46N4 (2002) 359-364 en_US
dc.identifier.issn 1062-3701 en_US
dc.identifier.uri http://hdl.handle.net/1850/3030 en_US
dc.description This article may also be accessed on the publisher's website (additional fees may apply) at: http://www.imaging.org/store/epub.cfm?abstrid=8152 en_US
dc.description RIT community members may access full-text via RIT Libraries licensed databases: http://library.rit.edu/databases/
dc.description.abstract Error diffusion is a well known technique for generating bi-level images and is often used instead of a halftone screen process in order to minimize the visual impact of quantization error.In addition,some kernels used for error diffusion are capable of enhancing the appearance of edge sharpness.The current study examined experimentally the effect of kernel type on the magnitude and the directional symmetry of edge enhancement.In addition,an alternative to raster image processing,involving a linear algorithm called linear pixel shuffling,was used to perform error diffusion.This allows the use of symmetrical kernels and the omni-directional diffusion of quantization error.Edge enhancement with omni-directional error diffusion was examined and found to be capable of more directionally uniform enhancement of edges than is possible with raster error diffusion. en_US
dc.format.extent 10119 bytes en_US
dc.format.mimetype application/pdf en_US
dc.language.iso en_US en_US
dc.publisher Society for Imaging Science and Technology (IS&T) en_US
dc.relation.ispartofseries vol. 46 en_US
dc.relation.ispartofseries no. 4 en_US
dc.subject Edge enhancement en_US
dc.subject Error diffusion en_US
dc.subject Image processing en_US
dc.title Error diffusion and edge enhancement: raster versus omni-directional processing en_US
dc.type Article en_US

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