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1、本科畢業(yè)論文基于邊緣檢測(cè)與Hough變換的車道線檢測(cè)LaneLineDetectionbasedonedgedetectionAndHoughtransform3737基于邊緣檢測(cè)與Hough變換的車道線檢測(cè)摘要隨著道路交通的快速發(fā)展和汽車保有量的日益劇增,交通安全引起了社會(huì)的普遍關(guān)注。統(tǒng)計(jì)表明,許多的交通事故是由司機(jī)疏忽或疲勞駕駛引起的。而汽車輔助駕駛系統(tǒng)正是被設(shè)計(jì)用來(lái)在車輛將要駛離車道或者發(fā)生碰撞時(shí)警告司機(jī),從而幫助司機(jī)安全駕駛,避免交通事故的發(fā)生。車道線的檢測(cè)識(shí)別正是實(shí)現(xiàn)這一功能的關(guān)鍵技術(shù)。本文對(duì)車道線檢測(cè)識(shí)別進(jìn)行了深
2、入的研究。首先,介紹了基于邊緣檢測(cè)和Hough變換的車道線檢測(cè)這一課題的研究背景和意義,綜述了該課題的國(guó)內(nèi)外研究現(xiàn)狀,并進(jìn)行了簡(jiǎn)要分析。第二,介紹了本課題編程所需要的工具—MATLAB,并簡(jiǎn)要的介紹了MATLAB的兩大特點(diǎn)。第三,介紹圖像預(yù)處理。該模塊包括圖像灰度化,圖像濾波,邊緣檢測(cè)等相關(guān)技術(shù),且對(duì)每一種技術(shù)所包含的常用方法都做了實(shí)驗(yàn)進(jìn)行對(duì)比,并選擇出了合適的方法(圖像濾波選用中值濾波,邊緣檢測(cè)選用自定義差分算子)。第四,簡(jiǎn)紹了Hough變換的原理,使用Hough提取并標(biāo)記車道線。最后,對(duì)本文進(jìn)行了總結(jié),并提出不足之處,總
3、的來(lái)說(shuō),本文算法能夠有效提取車道線,具有較好的魯棒性。關(guān)鍵詞車道線檢測(cè)MATLAB圖像灰度化邊緣檢測(cè)Hough變換37LaneLineDetectionbasedonedgedetectionAndHoughtransformAbstractWiththerapiddevelopmentofroadtrafficandtheincreasinglyexplosioninautoinventory,trafficsafetyhasarousedwidespreadconcern.Statisticsshowthatmostof
4、trafficaccidentscausedbydriversdrowsiness,inattentiveness.Driverassistancesystemsisthedesignusedtobewarningthedriverwhenthevehicleleavingthelaneoracollision,soitcanhelptoavoidtrafficaccidents.Thereal-timelanedetectionandnavigationsystemisalsoanessentialmoduleofthed
5、riverassistanceandwarningsystem.Thispaperisfocusonlanedetectionanddeparturebasedonmachinevision.Firstly,thethesisintroducesthebackgroundandsignificanceaboutthelanedetectionbasedonEdgedetectionandHoughTransform,andthentheresearchstatusofthethesistopicisreviewed.Fina
6、lly,itmakesabriefanalysis.Secondly,thispaperdescribesthetoolsrequiredforprogramming--MATLAB,andmakesabriefintroductiontothetwofeaturesofMATLABThirdly,thethesisdescribethetechnologyrelatedtoimagepre-processingmodulesuchasimagegray,imagefiltering,edgeDetection.Andthe
7、commonmethodsforeachtechnologyincludedhavedoneexperimentstocompareandselectasuitablemethod(Selectingmedianfilteringtofilterimage;Selectingcustomdifferenceoperatorfilteringtomakeedgedetection).Fourthly,makingabriefintroductionofprincipleofHoughtransformandusingHough
8、toextractthelanemarker.Finally,conclusionsaregivenwithrecommendationforfuturework.Overall,theproposedalgorithmcaneffectivelyextractthelane,withbe