新聞視頻自動摘要生成算法研究.pdf

1、西安電子科技大學(xué)碩士學(xué)位論文新聞視頻自動摘要生成算法研究姓名：張嬋申請學(xué)位級別：碩士專業(yè)：信號與信息處理指導(dǎo)教師：姬紅兵20050101AbstractTherapidInternetgrowthandthemultimediainformationexplosionurgetheresearchoneffectivetechniquesofinformationorganizationgeneralizationandanalysis

2、ThekeyoftheresearchistheautomaticsummarizationandinquiryofinformationComparedwithgenericvideodata，newsvideohasitsownspecialstructure，thewayofmanagingandretrievalNowtreatingwiththenewsvideohasbeenwidelyinvestigated，andthe

3、nthetechniqueofthenewsvideoabstractionisanimportantcontentofresearchUndersupportedbytheNationalNaturalScienceFoundationofChina，theteclmiquesofthenewsvideoautomaticabstractionaredevelopedOnthebasisoftheanalysisofthespecia

4、lstructureofnewsvideos，thepossiblemodesofnewsvideetrievalareinvestigatedCorrespondedtoit，fourkindsofabstractionsareproposedTheyarethecontent—summarytheimageabstractionbasedonkey—frames，theaudioabstractionbased0nanchorper

5、sonflamesandthetextabstractionbasedonclosed—captionsAimingattheapplicationfortheabstractionofkeyframes，anewmethodofthepossibilisticC—paRerns(PCP)clusteringisproposed，whichistypicalandimmunetonoiseOnthebasisofthePCPanewid

6、eaoftheabs打actbasedsemisemanticandbasedsemanticisdesigned，whichiscombinedwiththefeaturesofvideoflamesrepresentedbythedominantcolorsandthesubordinatecolorsThroughthecompositiveutilizationoftheanalysisofnewsvideostructure，

7、theanalysisofanchorpersoncharacteraudiodetection，featurematching，clustering，anewmeasureofcircularsearchanchorpersonframesisproposedFinallywiththeintroductionofthemathematicalmorphologyinthedigitalimageprocessing，theclose

8、d—captionisextractedandiscreatedthetextabstractionofnewsvideoaccordingtoitsfeaturesAsaresult，themethodsoftheautomaticextractionsinthispaperareverynovel，andwhichcannotonlyextractthecorrespondinginformationeffectivelybutal