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Special Graduate Schools Graduate School of Education Computer Education 3. Theses(Master)

Coding Artifact Reduction for Block-based Image Compression

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dc.contributor.authorTewodros Nega Mulatu-
dc.date.accessioned2018-11-08T07:56:58Z-
dc.date.available2018-11-08T07:56:58Z-
dc.date.issued2012-02-
dc.identifier.other12245-
dc.identifier.urihttps://dspace.ajou.ac.kr/handle/2018.oak/8890-
dc.description학위논문(석사)아주대학교 교육대학원 :컴퓨터교육,2012. 2-
dc.description.tableofcontents1 Introduction .................................................................................................................................... 1 1.1 Related Work .......................................................................................................................... 2 1.2 Objective of the Research ....................................................................................................... 4 1.3 Methodology of Research ....................................................................................................... 4 1.4 Organization of the Thesis ...................................................................................................... 4 2 Proposed Scheme ............................................................................................................................ 5 2.1 Overview ................................................................................................................................ 5 2.2 Adaptive Parameter Selection ................................................................................................. 6 2.2.1 Parameter Selection for 􀢙 ............................................................................................. 6 2.2.2 Parameter Selection for 􀢘 ............................................................................................. 7 2.3 Post Processing Filter ............................................................................................................ 10 3 Experimental Results and Evaluation ........................................................................................... 14 3.1 Numerical Comparison ......................................................................................................... 14 3.2 Performance .......................................................................................................................... 21 3.3 Visual Comparison ................................................................................................................ 21 4 Conclusions .................................................................................................................................. 25 5 References .................................................................................................................................... 26-
dc.language.isoeng-
dc.publisherThe Graduate School, Ajou University-
dc.rights아주대학교 논문은 저작권에 의해 보호받습니다.-
dc.titleCoding Artifact Reduction for Block-based Image Compression-
dc.typeThesis-
dc.contributor.affiliation아주대학교 일반대학원-
dc.contributor.department일반대학원 컴퓨터공학과-
dc.date.awarded2012. 2-
dc.description.degreeMaster-
dc.identifier.localId570019-
dc.identifier.urlhttp://dcoll.ajou.ac.kr:9080/dcollection/jsp/common/DcLoOrgPer.jsp?sItemId=000000012245-
dc.description.alternativeAbstractIn this thesis, we propose a new post-processing technique that removes blocking and ringing artifacts in Block discrete cosine transformation (BDCT)-coded images using bilateral filtering. The selection of filter parameters is a key issue in the application of a bilateral filter because it significantly affects the result. An efficient method of selecting the bilateral filter parameters is presented. In addition, a signal adaptive filter is applied to improve the visual quality. The experimental results show that the proposed approach alleviates the artifacts efficiently in terms of PSNR, MSDS, and SSIM.-
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Special Graduate Schools > Graduate School of Education > Computer Education > 3. Theses(Master)
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