鱼眼图像校正及视频拼接的研究与实现.pdf

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1、Ꮉ⿟⸩຿ᄺԡ䆎᭛剐ⴐ೒ڣ᷵ℷঞ㾚乥ᣐ᥹ⱘⷨおϢᅲ⦄԰㗙ྦྷৡ咘⋾Ꮉ⿟乚ඳ䕃ӊᎹ⿟᷵ݙᣛᇐᬭᏜ⥟ᤃᅛᬭᥜ᷵໪ᣛᇐᬭᏜ⥟䎗䖯催㑻Ꮉ⿟Ꮬ᠔೼ᄺ䰶䕃ӊᄺ䰶䆎᭛ᦤѸ᮹ᳳ2014ᑈ12᳜7᮹TheResearchandImplementationofFisheyeImageCalibrationandVideoStitchingADissertationSubmittedfortheDegreeofMasterCandidate˖HuangHongSupervisor˖Prof.WangZhenyuSeniorEngineerWangYuejinSouthChin

2、aUniversityofTechnologyGuangzhou,Chinaᨬ㽕剐ⴐ䬰༈ᰃϔ⾡䍙ᑓ㾦䬰༈ˈᅗϔ㠀㹿ᅮНЎ∈ᑇ㾚㾦ৃ䖒ࠄ180ᑺⱘ䬰༈DŽՓ⫼剐ⴐ䬰༈ᢡ✻পᕫⱘ೒ڣЎ剐ⴐ೒ڣDŽ剐ⴐ೒ڣⱘ⭌ব⿟ᑺ䕗໻ˈᑊϨ⾏೒ڣⱘЁᖗ䍞䖰ˈ݊⭌ব⿟ᑺ䍞໻DŽ剐ⴐ೒ݙ೑ᴹᑈ䖥ᰃℷ᷵ⱘڣ໪ⷨおⱘ⛁⚍䇒乬DŽܼ᱃ᣐ᥹ᰃϔ⾡㛑ᇚ⦃㒩ᨘڣ೒᱃ܼᐙϔ៤᥹ᣐ⠛✻㒘໮៪㒘ϔⱘᨘᢡᑺ360༈ڣⱘᡔᴃDŽ᱂䗮೒ڣϔ㠀া㛑㸼⦄ሔ䚼⬏䴶ˈ⿄ПЎሔ䚼೒ڣˈ㗠㛑໳㸼⦄ᭈԧ˄∈ᑇ㾚㾦㣗ೈЎ360ᑺ˅⬏䴶ⱘ೒ڣ೒᱃ܼЎ⿄ڣDŽ⧚䆎Ϟˈৃᇚϸᐙ∈ᑇ㾚㾦Ў180ᑺⱘ剐ⴐ೒ڣᣐ᥹ЎϔϾ360ᑺⱘܼ᱃೒

3、ڣDŽܼ᱃ᣐ᥹ᡔᴃ೼џ㑶໪೒ڣǃएᄺ೒ڣǃ䘹ᛳ೒ڣ੠㰮ᢳ⦄ᅲㄝᮍ䴶᳝ᑓ⊯ⱘᑨ⫼ࠡ᱃DŽᴀ᭛೼ߚᵤ੠ᘏ㒧њ೑ڣ೒੠ℷ᷵ڣ೒ⴐ剐ᇍ໪ݙᣐ᥹ⱘⷨお៤ᵰ෎⸔Ϟˈᅠ៤њབϟ᠔⼎ⱘ݋ԧᎹ԰˖1.ᴀ᭛䞡⚍ⷨお剐ⴐᨘڣ༈ⱘ៤ڣ῵ൟüüㄝ䎱ᡩᕅ῵ൟˈҢᅲ䰙⫳ѻ⦃๗㗗㰥ˈᦤߎњᬍ䖯ⱘㄝ䎱ᡩᕅ῵ൟTDŽ䆹῵ൟ䗮䖛ᇍẟⲬ᷵ℷ೒ڣⱘ¯Ⳉ㒓䍟䖥䇃Ꮒāⱘ䅵ㅫˈᇏᡒՓ䇃Ꮒ᳔ᇣ࣪ⱘখ᭄(k,b)ˈҹᓹ㸹⫳ѻᎹ㡎Ёৃ㛑ᏺᴹⱘ䇃Ꮒˈᑊᇍᬍ䖯ㅫ⊩䖯㸠ᅲ偠੠䆘Ӌˈ䆕ᯢᬍ䖯ㅫ⊩ᑇഛޣᇥњ63.65%ⱘ¯Ⳉ㒓䍟䖥䇃Ꮒā˗2.ᴀ᭛ᇍᅠ៤њ⭌ব᷵ℷⱘ剐ⴐ೒ڣ೒ⱘℹϔ䖯خˈڣ޴ԩ᷵ℷDŽᴀ᭛ᇍ↨ߚᵤњϸ⾡޴ԩ

4、᷵ℷᮍ⊩ˈ䗝ᢽ䕗Ў⾥ᄺⱘ¯෎Ѣϝ㓈ᡩᕅবᤶⱘ᷵ℷᮍ⊩āˈ೼݊෎⸔Ϟ䖯㸠ᢧሩᓊԌˈ๲ࡴϔ㒘¯㞾⬅ᑺā㋏᭄ˈՓᕫॳᮍ⊩ⱘᑨ⫼᳈♉⌏˗3.ᴀ᭛׳ࡽẟⲬᷛᅮᵓˈ߽⫼ϸᐙẟⲬ೒ڣЁⱘ㾦⚍ᙃ䖯㸠೒ڣ䜡ޚˈᑊ䖤⫼᳔ᇣѠЬ⊩ॳ⧚ˈޣᇥњ13.59%ⱘ㾦⚍ᇍ䜡ޚ䇃Ꮒ˗4.ᴀ᭛ҹ¯ঠ㒓ᗻᦦؐā⧚䆎෎⸔ˈᇍ೒ڣᣐ᥹Ёⱘ೒ڣ㵡ড়ᮍ⊩䖯㸠ᬍ䖯ˈᦤߎ¯෎Ѣঠ㒓ᗻᦦؐⱘ೒ڣ㵡ড়ᮍ⊩āˈޣᇥњ೒ڣ㵡ড়䖛⿟Ё18.98%ⱘᙃᤳ༅˗5.ᴀ᭛೼ᅠ៤ҹϞᎹ԰ⱘ෎⸔ПϞˈᇚᬍ䖯៪ᢧሩⱘᮍ⊩䆒䅵Ў৘Ͼࡳ㛑῵ഫˈ䲚៤ࠄ剐ⴐ䬰༈㾚乥䕃ӊЁˈᅠ៤њᴀ䇒乬ⱘ䕃ӊᅲ⦄ˈᑊᇍЏ㽕῵ഫ䖯㸠⌟䆩ˈ᳔㒜䆕ᯢ䕃ӊ

5、䗮䖛њ⌟䆩DŽ݇䬂䆡˖剐ⴐ೒ڣ೒˗ޚ䜡ڣ೒˗ℷ᷵ԩ޴ڣ೒˗ൟ῵ᕅᡩ䎱ㄝ˗ℷ᷵ڣ㵡ড়˗IABSTRACTFisheyelensisawide-anglelens,itisgenerallydefinedasalenswhichcanreach180degreeofviewinthehorizontaldirection.Imageusingfisheyelensphotographsmadeforfisheyeimages.Thedistortionoffisheyeimageisseriouslyandthefartherawayfromthecent

6、eroftheimage,thegreaterthedegreeofdistortion.Greatattentionshavebeenpaidonfisheyeimagecorrectioninrecentyears.Panoramastitchingisakindoftechnologywhichcangetacompositeimagefrommultiplecamerassurroundedbypanoramicviews.Thecommonimagegenerallycanonlyshowthelocal(horizontalviewing

7、anglerangeisabout120degrees)range,whichiscalledthelocalimage,whiletheimagewhichcanshowtheglobalrangeiscalledapanoramicimage.Panoramastitchingtechnologyhasextensiveapplicationprospectinmilitaryinfraredimages,medicalimages,remotesensingimagesandvirtualrealityetc.Aftertheanalysisa

8、ndsummaryofrelevantresearchresultsaboutthecorrectionan