探索低信噪比红外图像弱小目标检测研究

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1、上海交通大学硕士学位论文低信噪比红外图像弱小目标检测研究姓名：朱金标申请学位级别：硕士专业：控制理论与控制工程指导教师：李建勋20090201Ϟ⍋Ѹ䗮໻ᄺ⸩຿ᄺԡ䆎᭛ᨬ㽕Ԣా↨㑶໪೒ڣᔅᇣⳂᷛẔ⌟ⷨおᨬ㽕䖥ᑈᴹˈԢా↨㑶໪೒ڣᔅᇣⳂᷛẔ⌟䯂乬ϔⳈᰃܝᄺ੠㑶໪೒ڣ乚ඳⱘⷨお⛁⚍DŽܝᄺӴᛳ఼੠㑶໪Ў㹿ࡼӴᛳ఼ˈ೼⦄ҷ៬ѝЁ݋᳝䕗ᔎⱘ⫳ᄬ㛑࡯ˈԚ݊԰⫼䎱⾏䕗ⷁDŽⷨおԢా↨㑶໪೒ڣЁᔅᇣⳂᷛⱘᅲᯊẔ⌟Ϣ䎳䏾ㅫ⊩ˈৃҹᅲ⦄ᠽሩ԰⫼䎱⾏ⱘⳂⱘDŽԢా↨ᔅᇣⳂᷛẔ⌟ⱘ䲒⚍೼Ѣ˖Ⳃᷛ៤ڣ䎱⾏䖰ˈ೒ڣా↨Ԣˈজ᮴ᔶ⢊ǃ㒍⧚ㄝ⡍ᕕᙃৃҹ߽⫼DŽⳌᇍѢ݊Ҫ㑶໪ⳂᷛẔ⌟Ϣ䎳

2、䏾䯂乬㗠㿔ˈབԩᅲ⦄ᇍ໡ᴖ㚠᱃ᴵӊϟ㑶໪ᔅᇣⳂᷛⱘ〇عẔ⌟੠䎳䏾ህ៤Ўњϔ乍᳈݋᳝ᅲ䰙ᛣН੠ᣥ៬ᗻⱘⷨお䇒乬DŽᴀ᭛᥶䅼њԢా↨ⱘ㑶໪೒ڣᔅᇣⳂᷛẔ⌟䯂乬ˈҢᭈԧϞ㒭ߎњϔᴵᔅᇣⳂᷛẔ⌟ⱘⷨおᗱ䏃DŽᴀ᭛ᇚ㑶໪ᔅᇣⳂᷛẔ⌟䯂乬ߚЎ෎Ѣऩᏻⱘ㑶໪೒ڣᔅᇣⳂᷛẔ⌟੠෎Ѣᑣ߫೒ڣⱘᏻ䯈݇㘨Ẕ⌟ϸϾᮍ䴶ˈߚ߿䖯㸠њ⏅ܹǃ㋏㒳ⱘⷨおˈЏ㽕ⱘⷨお៤ᵰབϟ˖(1)䩜ᇍ໡ᴖ㚠᱃ᴵӊϟⱘ㑶໪೒ڣ乘໘⧚䯂乬ˈ䆺㒚ߚᵤњ㑶໪ᔅᇣⳂᷛǃ㚠᱃ҹঞాໄⱘ៤ڣ⡍ᗻDŽ㒧ড়Ⳃࠡᐌ⫼ⱘ೒ڣ乘໘⧚ᮍ⊩ˈህབԩ᳝ᬜᦤ催㑶໪ᔅᇣⳂᷛ೒ڣా↨ˈЎৢ㓁Ẕ⌟߯䗴᳝߽ᴵӊ䖯㸠њ⏅ܹⷨおDŽ೼ℸ෎⸔Ϟˈ

3、䖯㸠њぎ䯈ऍ䜡Ⓒ⊶఼ⱘӬ࣪䆒䅵ˈᑊᅲ偠ӓⳳњӬ࣪䆒䅵ⱘऍ䜡Ⓒ⊶఼ⱘӬ䍞ᗻ㛑DŽ(2)䩜ᇍऩᏻ㑶໪೒ڣⱘᔅᇣⳂᷛẔ⌟䯂乬ˈᓎゟњ㑶໪೒ڣⱘ᭄ᄺ῵ൟˈᑊᦤߎњ೒ڣ乘໘⧚üü㚠᱃Ԅ䅵ϢᡥࠊüüⳂᷛẔ⌟üüⳂ㄀I义Ϟ⍋Ѹ䗮໻ᄺ⸩຿ᄺԡ䆎᭛ᨬ㽕ᷛ⡍ᗻ㒳䅵ⱘऩᏻ㑶໪೒ڣⳂᷛẔ⌟ᮍḜDŽ(3)ᦤߎњϔ⾡ᬍ䖯ⱘ᭄ᄺᔶᗕᄺⒸ⊶ㅫ⊩DŽ䩜ᇍ㒣݌᭄ᄺᔶᗕᄺⳈ᥹ᑨ⫼Ѣ㑶໪೒ڣᔅᇣⳂᷛẔ⌟ⱘϡ䎇ˈҢᬍ䖯ᔶᗕবᤶ੠Ӭ࣪㒧ᵘܗ㋴ᮍ䴶ܹ᠟ˈᦤߎњϔ⾡ᬍ䖯ⱘᔶᗕᄺⒸ⊶ᮍ⊩DŽ㒧ড়Ӭ࣪䆒䅵ⱘऍ䜡Ⓒ⊶఼ǃᬍ䖯ⱘᔶᗕᄺ㚠᱃ᡥࠊ੠㞾䗖ᑨ䮼䰤ⱘẔ⌟ㅫ⊩⬅Ѣ᳈ᱎ㛑ഄ㵡ܹњᑨ⫼㚠᱃ⱘ⡍ᗻˈⳳᅲഄᛳⶹ㚠

4、᱃ˈ䖯㸠㚠᱃Ԅ䅵੠Ẕ⌟ˈҢ㗠ᅲ⦄ᇍԢా↨ⱘᔅᇣⳂᷛẔ⌟ⱘ㡃དẔ⌟ᗻ㛑DŽ(4)䩜ᇍᑣ߫㑶໪೒ڣⱘᔅᇣⳂᷛẔ⌟䯂乬ˈ೼ߚᵤ໮؛䆒䎳䏾ⱘ෎⸔ϞˈᓩܹẔ⌟ࠡ䎳䏾੠݇㘨Ẕ⌟ⱘᗱᛇˈⷨおᑊߚᵤњᑣ߫೒ڣЁⳂᷛ⚍ⱘԡ㕂Ⳍ݇ᗻ੠䖤ࡼ䔼䗍ⱘ䖲㓁ᗻ੠㾘ᕟᗻˈᦤߎњϔ⾡ᬍ䖯ⱘ㒧ᵘ࣪ߚᬃ໮؛䆒䎳䏾ⱘẔ⌟ᮍ⊩ˈ䖯ϔℹᦤ催њẔ⌟ὖ⥛ˈ䰡Ԣњ㰮䄺ὖ⥛DŽ݇䬂䆡˖㑶໪೒ڣˈᔅᇣⳂᷛˈⳂᷛẔ⌟ˈ೒ڣ乘໘⧚ˈ㚠᱃ᡥࠊˈऍ䜡Ⓒ⊶ˈ㞾䗖ᑨⒸ⊶ˈ᭄ᄺᔶᗕᄺˈ໮؛䆒䎳䏾㄀II义Ϟ⍋Ѹ䗮໻ᄺ⸩຿ᄺԡ䆎᭛ABSTRACTInvestigationonDimPointTargetDetection

5、inLowSNRInfraredImageABSTRACTThedetectionandtrackingofdimpointtargetsintheopticalandinfraredimageshasbeenthesubjectofintenseinvestigationfornomorethantwodecades.Theopticalandinfraredsensorsarepassivesensors,whicharevaluedfortheirstrongsurvivalcapacityinbattlefields,buttheirma

6、ximumdetectionrangeiscritical.Thebasicprobleminherenttoextentthedetectionrangeisthedetectionofsmall,lowobservabletargetsinimagesandsubsequentestimationofthetargettrajectories.Thedifficultiesofthedetectionofdimpointsliesinthefollows:thesignal-to-noiseratioissufficientlylowduet

7、othelargedetectionrange,noinformationcontentoftargetssignaturecanbeused.Therefore,comparingwithothertopicsinthefieldofinfraredtargetsdetectionandtracking,howdimpointtargetscanberobustlydetectedandtrackedundercomplexbackgroundshavebecomethemorerealisticandchallengingresearchto

8、pics.Theproblemofdimpointtargetsdetectionandtrackinginlowsignal-to-n