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Conference Paper: Novel filter algorithm for removing impulse noise in digital images

TitleNovel filter algorithm for removing impulse noise in digital images
Authors
KeywordsNoise removal
Filtering
Pixel identification
Impulse noise
Digial images
Issue Date1995
PublisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xml
Citation
Proceedings Of Spie - The International Society For Optical Engineering, 1995, v. 2501 n. 1/-, p. 210-220 How to Cite?
AbstractIn this paper, we present a novel filter algorithm that is more capable in removing impulse noise than some of the common noise removal filters. The philosophy of the new algorithm is based on a pixel identification concept. Rather than processing every pixel in a digital image, this new algorithm intelligently interrogates a subimage region to determine which are the 'corrupted' pixels within the subimage. With this knowledge, only the 'corrupted' pixels are eventually filtered, whereas the 'uncorrupted' pixels are untouched. Extensive testing of the algorithm over a hundred noisy images shows that the new algorithm exhibits three major characteristics. First, its ability in removing impulse noise is better visually and has the smallest mean-square error compared with the median filter, averaging filter and sigma filter. Second, the effect of smoothing is minimal. As a result, edge and line sharpness is retained. Third, the new algorithm is consistently faster than the median filter in all our test cases. In its current form, the new filter algorithm performs well with impulse noise.
Persistent Identifierhttp://hdl.handle.net/10722/45973
ISSN

 

DC FieldValueLanguage
dc.contributor.authorYung, Nelson Hen_HK
dc.contributor.authorLai, Andrew Hen_HK
dc.date.accessioned2007-10-30T06:39:46Z-
dc.date.available2007-10-30T06:39:46Z-
dc.date.issued1995en_HK
dc.identifier.citationProceedings Of Spie - The International Society For Optical Engineering, 1995, v. 2501 n. 1/-, p. 210-220en_HK
dc.identifier.issn0277-786Xen_HK
dc.identifier.urihttp://hdl.handle.net/10722/45973-
dc.description.abstractIn this paper, we present a novel filter algorithm that is more capable in removing impulse noise than some of the common noise removal filters. The philosophy of the new algorithm is based on a pixel identification concept. Rather than processing every pixel in a digital image, this new algorithm intelligently interrogates a subimage region to determine which are the 'corrupted' pixels within the subimage. With this knowledge, only the 'corrupted' pixels are eventually filtered, whereas the 'uncorrupted' pixels are untouched. Extensive testing of the algorithm over a hundred noisy images shows that the new algorithm exhibits three major characteristics. First, its ability in removing impulse noise is better visually and has the smallest mean-square error compared with the median filter, averaging filter and sigma filter. Second, the effect of smoothing is minimal. As a result, edge and line sharpness is retained. Third, the new algorithm is consistently faster than the median filter in all our test cases. In its current form, the new filter algorithm performs well with impulse noise.en_HK
dc.format.extent1034809 bytes-
dc.format.extent10863 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherS P I E - International Society for Optical Engineering. The Journal's web site is located at http://spie.org/x1848.xmlen_HK
dc.relation.ispartofProceedings of SPIE - The International Society for Optical Engineeringen_HK
dc.rightsS P I E - the International Society for Optical Proceedings. Copyright © S P I E - International Society for Optical Engineering.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsCopyright 1995 Society of Photo-Optical Instrumentation Engineers. This paper was published in Visual communications and image processing, Taipei, Taiwan, China, 24-26 May 1995, v. 2501, p. 210-220 and is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.en_HK
dc.subjectNoise removalen_HK
dc.subjectFilteringen_HK
dc.subjectPixel identificationen_HK
dc.subjectImpulse noiseen_HK
dc.subjectDigial imagesen_HK
dc.titleNovel filter algorithm for removing impulse noise in digital imagesen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0277-786X&volume=2501&spage=210&epage=220&date=1995&atitle=Novel+filter+algorithm+for+removing+impulse+noise+in+digital+imagesen_HK
dc.identifier.emailYung, Nelson H:nyung@eee.hku.hken_HK
dc.identifier.authorityYung, Nelson H=rp00226en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1117/12.206724en_HK
dc.identifier.scopuseid_2-s2.0-0029222712en_HK
dc.identifier.hkuros1813-
dc.identifier.volume2501en_HK
dc.identifier.issue1/-en_HK
dc.identifier.spage210en_HK
dc.identifier.epage220en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridYung, Nelson H=7003473369en_HK
dc.identifier.scopusauthoridLai, Andrew H=7102225794en_HK

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