基于MDI的手持式IPTV視頻傳輸質(zhì)量監(jiān)測儀表.pdf

1、武漢理工大學(xué)碩士學(xué)位論文基于MDI的手持式IPTV視頻傳輸質(zhì)量監(jiān)測儀表姓名：謝軒申請學(xué)位級別：碩士專業(yè)：計(jì)算機(jī)應(yīng)用技術(shù)指導(dǎo)教師：饒文碧20090401AbstractIPrrViSanothernameofinteractivenetworktelevisionNowadays，IP，rViSahottechnologywhichgetslotsofattentionManyexperimentalnetworksandcommerce

2、testoperationnetworkshavebeensetupIPTViswelldevelopingWiththereasonablemeasurement，themalfunctionswillbedetectedefficientlyandthecostofbuildmonitoringsystemcouldbepulleddownAsthevarietyofcodingandnetworkstreamandthelacko

3、fstandardization，themeasuringofvideoqualityalwaysisadifficultpointTheMDI(MediaDeliveryIndex)isapracticalmonitoringmethodatthepresenttimeThemaincontentsofthethesisarefollowing：(1)Introducedthebasicconceptandstructureofthe

4、IPTvsystem；ResearchedthemainfactorsoftheimpactonthequalityofI州systemandthetypesofindicatorswhichassessthequalityofI刑system；StudiedthebasictheoryofhowtheMDImetricsevaluatingthequalityofvideostream(2)ThewholestructureofIPl

5、Vqualitymonitorsystemwasdesigned，includingselectingstandardofvideostreamjudgmentandthefunctiondesignofmodulesetcThesoftwareandhardwaresystemsofthisinstrumentwereset(3)StudiedthespecificcomputingmethodofMDI—DFMDI—MLR，CC—E

6、RRORetc；SolvedthesynchronizedofthecomputingperiodofMDI—DFandotherindex；(4)AnembedapplicationdevelopenvironmenthasbeenbuildThesimulatetestofthesystemWasalsodoneThedataoftestwasanalyzedTheexperimentprovedtheinstrumentcould

7、reflectthebasicvideostreamdamagesthroughthemetricsTheinstrumentmeetstherequestofthemanagerofIPTVsystem；helpthemanagerlocatingproblemnetworknodeThemeaningofthisthesisistesearchaninstrumentfortheadministratorofI州systemwhic