基于彩色圖像多線索信息的人臉檢測綜合研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文基于彩色圖像多線索信息的人臉檢測綜合研究姓名：王志強申請學(xué)位級別：碩士專業(yè)：計算機系統(tǒng)結(jié)構(gòu)指導(dǎo)教師：周敬利20040510華中科技大學(xué)碩士學(xué)位論文AbstractFacedetectionisahotprobleminthefieldsofcomputervisionandpaRernrecognition，withthepurposeoflocalizingandextractingthefaceregionf

2、romthebackgroundAhumanfaceisadynamicobjectandhasa1ighdegreeofvariabilityinitsappearance，whichmakesfacedetectionadifficultprobleminpattemrecognitionHowever，witlthefurtherstudyinfacedetection，itwillsurelyspeedthedevelopmen

3、tofartificialintelligence，computervision，andotherrelativesubjectsInthispaper，amulti—cluebasedfacedetectionalgorithmforcolorimageispresentedFirst，theimagewithhumanfacesisinputanddealtwithaMixture—ofGaussian(formultimodald

4、istributions)modelandaselfadaptiveluminancemodeltogetallskincolorregions，asisofgreatimportancetofastfacedetectionalthoughsomeskin—likecolorregionsareoftenchosenfalselyinthemeantimeAsaresult，abinaryimagewithfaceregionsiso

5、btainedThebinaryimageCanbefurtherdividedintoseveralsub—regions，whicharethenanalyzedSOastoeliminateuselessnonfaceregionsaccordingtOthefacialfeaturesandsomegeneralknowledgeConsequently，allcandidatefaceregionswithspecialpos

6、itionandsizeareacquiredAndeachcandidateregionisrequiredtoincludenotlessthantwoholes，becausedoubleeyesaregenerallydarkerthanotherregionsinhumanfaceandthusoftenmakeholesintheirpositionsIntheend，usingBayesdecision，aprobabil

7、itymodelwiththedistributionofhumanfaceisconstructedtoperformthefinalfacedetectionExperimentalresultsdemonstratethehighprobabilityofcorrectdetectionandadaptiveabilitiesofthealgorithm，andadecentspeedofthefacedetectionisach