同時(shí)實(shí)現(xiàn)去噪和反差增強(qiáng)的算法研究.pdf

1、西北大學(xué)碩士學(xué)位論文同時(shí)實(shí)現(xiàn)去噪和反差增強(qiáng)的算法研究姓名：陳穎申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：信號(hào)與信息處理指導(dǎo)教師：彭進(jìn)業(yè)20090617AbstractGrayimagedenoisingandcontrastenhancementaretwomaincontentsinimageprocessingtechnologyfieldsandcommonlyusedtoimprovetheimagequalityInpracticalproce

2、ssing，mostofalgorithmsoftensetthemindependentlythatis，denoisingfollowedbyenhancementorenhancementfollowedbydenoisingTosomeextentbothofthemwillexpandimagenoiseordestroyimagedetailsThisthesishasanindepthdiscussionandresear

3、chonsimultaneousalgorithmofgrayimagedenoisingandcontrastenhancementbasedonPDEThebasiccontentsandcommonmethodsofimagedenoisingandcontrastenhancementaresummarizedInthisthesis，itfocuses011themethodsofpiecewiselinearstretchi

4、ngfunctiondenoisingalgorithmandimagerestorationbasedonTVAndnumericalrealizationmethodisalsogivenoutOnthebasisofresearchingtheconceptmodelofsimultaneousdenoisingandcontrastenhancementfirstproposedbySapiro，thesimultaneousa

5、lgorithmofdenoisingandcontrastenhancementisdesignedBycontrasttothetraditionalalgorithms，theresultsshowedthatthenewalgorithmscouldhavebettereffectsforgrayimage謝tllbothlowcontrastandnoiseAnewmethodisproposedwhichCanachieve

6、dualfunctionofsimultaneousdenoisingandcontrastenhancementbasedonTVimagerestorationmodelTheproblemofsimultaneousdenosingandcontrastenhancementischangedintoaproblemofimagerestorationAndanimprovedmodelisgivenoutthecorrespon

7、dingalgorithmisalsodesignedThroughthecontrastexperimentsofartificialdatasandrealimages，theresultsshowthatthenewalgorithmisbetterthantraditionalalgorithmsbasedonimprovedmodelInordertogivethequantitativeevaluationoftheoutp