一种有效地自动图像增强方法-外文文献翻译

《一种有效地自动图像增强方法-外文文献翻译》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、附录A：外文文献AnEffectiveAutomaticImageEnhancementMethodABSTRACTOtsumethodispropertodealwithtwoconditions:(1)twoormoreclasseswithdistintivegray-valuesrespectively;(2)classeswithoutdistinctivegray-values,butwithsimilarareas.However,whenthegray-valuedifferencesamongclassesarenotsodistinct,andtheobj

2、ectissmallrelativetobackgroud,theseparabilitiesamongclassesareinsufficient.Inordertoovercometheaboveproblem,thispaperpresentsanimprovedspatiallow-passfilterwithaparameterandpresentsanunsupervisedmethodofautomaticparameterselectionforimageenhancementbasedonOtsumethod.Thismethodcombinesimagee

3、nhancementwithimagesegmentationasoneprocedurethroughadiscriminantcriterion.Theoptimalparameterofthefilterisselectedbythediscriminantcriteriongiventomaximizetheseparabilitybetweenobjectandbackground.Theoptimalthresholdforimagesegmentationiscomputedsimultaneously.Themethodisusedtodetectthesur

4、facedefectofcontainer.Experimentsillustratethevalidityofthemethod.KEYWORDSimageprocessing;automatedimageenhancement;imagesegmentation;automatedvisualinspection1IntroductionAutomatedvisualinspectionofcrackedcontainer(AVICC)isapracticalapplicationofmachinevisiontechnology.Torealizeourgoal,fou

5、ressentialoperationsmustbedealtwith–imagepreprocessing,objectdetection,featuredescriptionandfinalcrackedobjectclassification.Imageenhancementistoprovidearesultmoresuitablethanoriginalimageforspecificapplications.Inthispapertheobjectiveofenhancement,followedbyimagesegmentation,istoobtainanim

6、agewithahighercontentabouttheobjectinterestingwithlesscontentaboutnoiseandbackground.Gonzalez[1]discussesthatimageenhancementapproachesfallintotwomaincategories,inthatspatialdomainandfrequencydomainmethods.Burton[2]appliesimageaveragingtechniquetofacerecognitionsystem,makingitabletorecognis

7、efamiliarfaceseasilyacrosslargevariationsinimagequality.Centeno[3]proposesanadaptiveimageenhancementalgorithm,whichreversetheprocessingorderofimageenhancementandsegmentationinordertoavoidsharpeningnoiseandblurringborders.Munteanu[4]appliesartificialintel