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		<doi>10.1109/SIBGRAPI.2011.14</doi>
		<citationkey>FreitasFariAraú:2011:FaInHa</citationkey>
		<title>Fast Inverse Halftoning Algorithm for Ordered Dithered Images</title>
		<format>DVD, On-line.</format>
		<year>2011</year>
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		<size>8227 KiB</size>
		<author>Freitas, Pedro Garcia,</author>
		<author>Farias, Mylene C. Q.,</author>
		<author>Araújo, Aletéia P. F. de,</author>
		<affiliation>Departamento de Ciência da Computação, Universidade de Brasilia</affiliation>
		<affiliation>Departamento de Ciência da Computação, Universidade de Brasilia</affiliation>
		<affiliation>Departamento de Ciência da Computação, Universidade de Brasilia</affiliation>
		<editor>Lewiner, Thomas,</editor>
		<editor>Torres, Ricardo,</editor>
		<e-mailaddress>mylene@ieee.org</e-mailaddress>
		<conferencename>Conference on Graphics, Patterns and Images, 24 (SIBGRAPI)</conferencename>
		<conferencelocation>Maceió, AL, Brazil</conferencelocation>
		<date>28-31 Aug. 2011</date>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<booktitle>Proceedings</booktitle>
		<tertiarytype>Full Paper</tertiarytype>
		<transferableflag>1</transferableflag>
		<versiontype>finaldraft</versiontype>
		<keywords>halftoning, inverse halftoning, dispersed-dot ordered dithering, image.</keywords>
		<abstract>In this paper, we present a simple and fast inverse halftoning algorithm, targeted at reconstructing halftoned images generated using dispersed-dot ordered dithering algorithms. The proposed algorithm uses a simple set of linear filters combined with a stochastic model in order to predict the best intensity values for the binary image pixels. The algorithm produces images with a better perceptual quality than the available algorithms in the literature, preserving most of the fine details of the original gray-level image. It has a high performance, which can be further improved with the use of parallelization techniques.</abstract>
		<language>en</language>
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		<usergroup>mylene@ieee.org</usergroup>
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