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人工衛星高速画像処理で
社会問題を解決しよう

 人工衛星高速画像処理で
社会問題を解決しよう

動画できました https://youtu.be/PTJXMD4OHCg

Susumu Yamazaki (ZACKY)

July 18, 2022
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  1. ਓ޻Ӵ੕ߴ଎ը૾ॲཧͰ

    ࣾձ໰୊Λղܾ͠Α͏
    ๺۝भࢢཱେֶ ࠃࡍ؀ڥ޻ֶ෦ ৘ใγεςϜ޻ֶՊ

    ࢁ࡚ ਐ
    1
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    2022 Susumu Yamazaki

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  2. ࣗݾ঺հ: ࢁ࡚ ਐ (΍·͖͟ ͢͢Ή)
    • ๺۝େͰϓϩάϥϛϯάΛڭ͍͑ͯ·͢


    • ৘ใγεςϜ޻ֶՊʹࢁ࡚͸2ਓ͍·͢


    • ๺۝େʹෝ೚ͯ͠ࠓ೥Ͱ15೥ʹͳΓ·͢


    • ιϑτ΢ΣΞͷߴ଎ԽͷݚڀΛ͍ͯ͠·͕ͨ͠

    ͦͷٕज़Λ΋ͱʹͯ͠2020೥͔Βਓ޻Ӵ੕ը૾ॲཧ
    ߴ଎ԽͷݚڀʹऔΓ૊Έ࢝Ί·ͨ͠


    • ਓ޻Ӵ੕ͷݚڀΛ࢝Ίͯ·ͩ೔͕ઙ͍Ͱ͕͢ɼ

    ໘ന͞ʹເதʹͳ͍ͬͯ·͢


    • ࠓ೔͸͜ͷݚڀʹ͍ͭͯ঺հ͍ͨ͠ͱࢥ͍·͢
    2
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    2022 Susumu Yamazaki

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  3. ಥવͰ͕͢

    Ӊ஦ʹϩϚϯΛײ͡·͔͢ʁ


    Ӊ஦։ൃΛਐΊΔͱΈͳ͞Μͷੜ׆ͷ໾ʹཱͭͱࢥ͍·͔͢ʁ
    3
    ©︎
    2022 Susumu Yamazaki
    εϚϗͰQRίʔυΛಡΜͰ

    Ξϯέʔτʹճ౴͍ͯͩ͘͠͞Ͷʂ

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  4. ࢁ࡚ਐͷ౴͑


    Ӊ஦ʹϩϚϯΛײ͡ΔΘ͚Ͱ͸ͳ͍͕

    Ӊ஦։ൃ͸໾ʹཱͭ
    4
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    2022 Susumu Yamazaki

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  5. ؾ৅Ӵ੕ͻ·ΘΓ
    5
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    2022 Susumu Yamazaki

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  6. ͻ·ΘΓͷ༧ࢉن໛: ೥ؒ75ԯԁఔ౓


    1998ʙ2017೥ͷؾީมಈͰͷ೔ຊͷࣗવࡂ֐ܦࡁଛࣦ ೥ؒ2ஹԁ௒


    ൺ͸200ഒҎ্
    6
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    2022 Susumu Yamazaki

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  7. ͻ·ΘΓͷ༧ࢉن໛: ೥ؒ75ԯԁఔ౓


    ೔ຊͷ೶ۀͷࢢ৔ن໛ ೥ؒ9ஹԁ௒


    ൺ͸1200ഒҎ্
    7
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  8. ਓ޻Ӵ੕ͷར఺


    ࠃ΍஍ҬΛ௒͑ͯΧόʔͰ͖Δ


    ͻ·ΘΓը૾Λར༻͢Δࠃɾ஍Ҭ͸ΞδΞɾଠฏ༸஍Ҭ36ϱࠃ
    8
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    2022 Susumu Yamazaki

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  9. ࢁ࡚ਐͷ౴͑


    ਓ޻Ӵ੕͔Β΋ͬͱԸܙΛड͚Α͏ʂ
    9
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    2022 Susumu Yamazaki

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  10. Ӊ஦ʹϩϚϯΛٻΊ͍ͯΔ

    ਓʹ΋࿕ใͰ͢
    10
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  11. Ӊ஦։ൃͰܦࡁޮՌ͕ੜ·ΕΔ


    ➡Ӊ஦։ൃʹͨ͘͞Μ౤ࢿ͕ਐΉ


    ➡Ӊ஦ʹ৽ͨͳϩϚϯ͕ੜ·ΕΔ
    11
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    2022 Susumu Yamazaki

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  12. ࢁ࡚ਐͷ౴͑


    ਓ޻Ӵ੕͔Β΋ͬͱԸܙΛड͚Α͏ʂ
    12
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    2022 Susumu Yamazaki

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  13. ཧՊɾ෺ཧͷ෮श
    13
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    2022 Susumu Yamazaki

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  14. ཧՊɾ෺ཧͷ෮श: ೾௕
    • ೾௕ wavelength:


    • ೾ͷपظతͳ௕͞


    • ه߸͸ λ (ϥϜμ)Ͱද͢


    • ୯Ґ͸ m (ϝʔτϧ)


    • प೾਺ frequency:


    • 1ඵؒʹ܁Γฦ͢೾ͷ਺


    • ه߸͸ f Ͱද͢


    • ୯Ґ͸ Hz (ϔϧπ)


    • ೾ͷ଎͞Λvͱͨ࣌͠ɼ


    • f λ = v


    • ಛʹޫ΍ి࣓೾ͷ৔߹ɼޫ
    ଎Λ c ͱ͢Δͱ


    • f λ = c


    14
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    2022 Susumu Yamazaki
    © Dicklyon (Richard F. Lyon) CC BY-SA 3.0

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  15. ཧՊɾ෺ཧͷ෮श: Մࢹޫʗ੺֎ઢʗి೾
    • Մࢹޫ (visible light)


    • ೾௕͸360nmʙ830nm (φϊϝʔτϧ)


    • ໨ʹݟ͑Δޫ


    • ੺֎ઢ (infrared)


    • ೾௕͸700nm(φϊϝʔτϧ)ʙ1mm(ϛϦϝʔτϧ)


    • ੺֎ઢʹ౰ͨΔͱԹ͔͘ͳΔ


    • ϚΠΫϩ೾ (microwave)


    • ೾௕͸1mmʙ1m


    • ςϨϏͳͲͰ࢖ΘΕΔ
    15
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    2022 Susumu Yamazaki
    ˜4XJOCVSOF6OJWFSTJUZPG5FDIOPMPHZ

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  16. ஍ද໘Λ؍ଌ͢Δਓ޻Ӵ੕Ͱ

    ࢖ΘΕΔޫɾి೾
    16
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  17. ஍ද໘Λ؍ଌ͢Δਓ޻Ӵ੕Ͱ࢖ΘΕΔޫɾి೾
    • ஍ද໘؍ଌӴ੕Ͱ͸࣍ͷޫɾి೾͕Α͘࢖ΘΕΔ


    • Մࢹޫ (visible light)

    ೾௕͸360nmʙ830nm (φϊϝʔτϧ)

    جຊతʹ໨ʹݟ͑Δͷͱಉ͡ݟ͑ํΛ͢Δ


    • ੺֎ઢ (infrared)

    ೾௕͸700nm(φϊϝʔτϧ)ʙ1mm(ϛϦϝʔτϧ)

    Թ౓͕ߴ͍΋ͷ͕໌Δ͘Թ౓͕௿͍΋ͷ͕҉͘өΔ


    • ϚΠΫϩ೾ (microwave)

    ೾௕͸1mmʙ1m

    ӢΛಁա͢Δ→ఱީͷӨڹΛड͚ͳ͍

    Ξϯςφ͔ΒরࣹͰ͖Δ→ன໷໰Θͣ؍ଌͰ͖Δ
    17
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    2022 Susumu Yamazaki
    ˜4XJOCVSOF6OJWFSTJUZPG5FDIOPMPHZ

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  18. ਓ޻Ӵ੕׆༻ࣄྫ
    Έͳ͞Μ͕ৄࡉΛௐ΂΍͍͢Α͏

    ΢Σϒϖʔδʹܝࡌ͞Ε͍ͯΔهࣄΛத৺ʹ

    ঺հ͠·͢
    18
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  19. ਓ޻Ӵ੕׆༻ࣄྫ


    ๷ࡂɾࡂ֐෮چ
    19
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  20. ౦೔ຊେ਒ࡂલޙͷؠखݝ཮લߴాࢢͷGoogle EarthʹΑΔλΠϜϥϓε
    20
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    2022 Susumu Yamazaki
    © Google

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  21. ϚϦ΢ϙϦͷՐࡂ஍఺ΛӴ੕ը૾͔Βݕग़͢Δ

    ʵΦʔϓϯσʔλ͔ΒݟΔࢢ಺ͷ࠷৽ঢ়گʵ
    • 2022೥2݄24೔ҎདྷͷϩγΞʹΑΔ΢ΫϥΠφ৵߈


    • ΢ΫϥΠφೆ౦෦ͷߓ࿷౎ࢢϚ΢ϦϙϦͰ͸ܹઓ͕܁Γ޿͛ΒΕɼ

    ଟ਺ͷࢮইऀ͕ग़͍ͯΔ


    • ϑϦʔϥϯεϥΠλʔͷळࢁจ໺ࢯ͕2022೥5݄ʹϚ΢ϦϙϦͰͷ

    Րࡂঢ়گΛӴ੕ը૾͔Βਪ࡯͢ΔهࣄΛYAHOO! JAPAN χϡʔε

    ʹܝࡌͨ͠ (QRίʔυࢀর)

    https://news.yahoo.co.jp/byline/akiyamaayano/20220510-00295407
    21
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    2022 Susumu Yamazaki

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  22. 9छྨɺ10ͷӴ੕ը૾ͰݟΔɺϑϯΨɾτϯΨ-ϑϯΨɾϋΞύΠՐࢁ෾Րͷ௺ࠟ
    • 2022೥1݄15೔ʹτϯΨॾౡ෇ۙͷϑϯΨɾτϯΨ-ϑϯΨɾϋΞύΠՐࢁͰ

    େن໛෾Ր͕ൃੜ


    • ஦ാ(ͦΒ͹͚ͨ)Ͱ2022೥2݄1೔ʹൃද͞Εͨ

    ෾ՐલޙͷӴ੕ը૾͔Β෾ՐͷӨڹΛ෼ੳ͢Δهࣄ(QRίʔυࢀর)

    https://sorabatake.jp/25315/


    • هࣄதͷSAR͸ɼϚΠΫϩ೾ΛΞϯςφ͔Β஍ද໘ʹরࣹ͠ɼ

    ໭͖ͬͯͨϚΠΫϩ೾ΛΞϯςφͰ؍ଌ͢Δํࣜͷ͜ͱ

    ఱީɾன໷໰Θͣ؍ଌͰ͖Δͷ͕࠷େͷಛ௃
    22
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  23. SARӴ੕ʹ͍ͭͯɹ๺۝େͰͷSARӴ੕ͷݚڀʹ͍ͭͯ
    • ೔ຊͷϕϯνϟʔاۀ2͕ࣾখܕSAR

    Ӵ੕Λͨ͘͞Μଧ্ͪ͛Δܭը


    • શ෦ଧ্͕ͪͬͨ࣌ɼੈքதͲ͜Ͱ΋
    10ʙ਺े෼ִؒͰ஍ද໘ΛࡱӨͰ͖ΔΑ
    ͏ʹ


    • SAR(߹੒։ޱϨʔμʔ)͸ɼϚΠΫϩ೾
    Λར༻͢Δ͜ͱͰɼఱީɾன໷໰Θͣ஍
    ද໘Λ؍ଌͰ͖Δ༏Ε΋ͷ


    • ͜ͷখܕSARӴ੕ٕज़ͷ࣮༻Խʹ޲͚

    ๺۝େͰࢁ࡚ਐ͕ݚڀΛਐΊ͍ͯ·͢


    • SARͰ؍ଌͨ͠σʔλ͸ɼը૾Խ͢Δͷ
    ʹߴ౓ͳܭࢉॲཧ͕ඞཁ


    • ͜ͷܭࢉॲཧΛߴ଎Խ͢Δ͜ͱͰɼ

    ࡱӨ͔ͯ͠Β10෼Ҏ಺ʹࡂ֐৘ใΛఏڙ

    ͢Δٕज़Λݚڀத

    (QRίʔυࢀর)

    https://zacky1972.github.io/blog/2022/03/29/sar-apps.html
    23
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    2022 Susumu Yamazaki

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  24. ଞʹ΋…
    • ஍਒ɾ௡೾ɾਫ֐౳ʹΑΔඃ֐஍Ҭͷ
    ೺Ѳ


    • ஍਒ʹΑΔݐ෺ඃ֐ͷݕग़


    • ౔࠭ࡂ֐ʹΑΔඃ֐Օॴͷݕग़


    • ੺֎ઢηϯαʔʹΑΔՐࢁ؍ଌ


    • SARʹΑΔ஍਒ɾՐࢁ׆ಈͷ஍֪มಈ
    ؍ଌ


    • ڮྊͷྲྀग़ɾଛյͷݕग़


    • ஍͢΂ΓྔͷܭଌͱͦΕΛར༻ͨ͠ϋ
    βʔυϚοϓͷ࡞੒


    • ߑਫ൙ཞঢ়گͱਫҴඃ֐ͷ೺Ѳ


    • ৿ྛՐࡂ΍Րࢁ෾ՐʹΑΔ২ੜඃ֐ͷ
    ೺Ѳ


    • ͳͲͳͲ
    24
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  25. ਓ޻Ӵ੕׆༻ࣄྫ


    ೶ྛਫ࢈ۀ
    25
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  26. ʮ੨ఱͷᯡᯧʯʹฉ͘ʂӴ੕σʔλΛ༻͍ͨ޿େͳҴ࡞஍ଳͷऩ֭࣌ظ༧ଌ
    • ੨৿ݝͷϒϥϯυถʮ੨ఱͷᯡᯧ(͍ͤͯΜͷ΁͖Ε͖)ʯΛ

    ʮඒຯ͘͠ʯ͔ͭʮऩྔ΋ଟ͘ʯ͢ΔͨΊʹӴ੕Λ׆༻


    • ͨͱ͑͹

    ංྉ͕গͳ͗͢Δͱऩྔ͕গͳ͘ͳΔ͕ɼ

    ංྉ͕ଟ͗͢Δͱ৯ຯ͕ѱ͘ͳΔ


    • ద੾ͳංྉͷྔΛ༩͑ΔͨΊʹɼҴͷੜҭ౓߹͍ɼ

    ͱ͘ʹҴͷ༿ͷ৭ΛݟΔ


    • ৄ͘͠͸QRίʔυࢀর https://sorabatake.jp/3699/
    26
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  27. ʮ݁Ռ͕ग़ͳ͔ͬͨ࣌ظ΋ɺବ໨ͩͳͱ͸શવࢥΘͳ͔ͬͨɻʯ

    ւ֎ͷτϚτ࠿ഓΛม͑ΔΧΰϝxNECͷ৽نࣄۀʹഭΔʂ
    • Έͳ͞Μ΋஌͍ͬͯΔͰ͋Ζ͏ɼτϚτένϟοϓɼτϚτδϡʔεͷʮΧΰϝʯ


    • τϚτ͸ൺֱత࠿ഓ͕೉͍͠࡞෺

    Ӎɼ࣪ؾʹऑ͍ɼප஬֐͕ଟ͍ɼ…


    • ΧΰϝͰ࢖ΘΕΔτϚτͷੜ࢈ͰɼӴ੕Λ͸͡Ίͱͨ͠͞·͟·ͳσʔλΛ׆༻


    • υϩʔϯͩͱϑϥΠτΛԿຊ΋ඈ͹͞ͳ͍ͱ͍͚ͳ͍ͷ͕ෛ୲ɽ

    ͦͷෛ୲͕ແ͍ͷ͕Ӵ੕ͷར఺


    • QRίʔυࢀরɹhttps://sorabatake.jp/20875/
    27
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  28. αάϦ͕1ԯ5500ສԁΛௐୡɻߞ࡞์غ஍ͷૣظൃݟٴͼ೺ѲͰ೶ۀ՝୊ͷղܾʹ௅Ή
    ʲिץӉ஦Ϗδωεχϡʔε 2021/5/31ʙ6/6ʳ
    • ೶ۀʹͨͣ͞ΘΔਓͷߴྸԽʹΑΓߞ࡞์غ஍͕૿Ճ


    • ೶஍͸खೖΕΛ͠ͳ͍ͱ਺೥Ͱμϝʹͳͬͯ͠·͏


    • μϝʹͳΔલʹߞ࡞์غ஍Λૣ͘ݟ͚ͭͯɼ೶ۀ໰୊ͷղܾʹߩݙ͢Δ


    ✴๺۝େͷ؀ڥ໰୊ࣄྫݚڀͱ͍͏तۀʹͯɼ

    2020೥ʹߞ࡞์غ஍ʹ͍ͭͯӴ੕Ͱ೺Ѳ͢Δͱ͍͏ൃද͕༏लൃදʹ


    • QRίʔυࢀরɹhttps://sorabatake.jp/20806/
    28
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  29. ଞʹ΋…
    • ޿େͳɼ఺ࡏ͢Δ೶஍ͷ؅ཧ


    • ์຀ͷ؅ཧ


    • ౔৕ਫ෼ྔɼ౔৕੒෼ɼ౔৕ංཊ౓ͷ෼ੳ


    • ద࣌ऩ֭


    • ҧ๏ૢۀړધͷऔΓక·Γ


    • ࠄ෺ऩྔͷૣظ༧ଌ


    • ੜҭঢ়گͷ೺Ѳ


    • ຀૲ͷࣂྉ੒෼ͷ೺Ѳ


    • খഴͷ੒ख़ਐ౓ͷ೺Ѳ


    • ஡༿ͷथ੎൑ఆ


    • ړ৔༧ଌ


    • ੺ைͷݕ஌ɾ༧ଌ


    • ৿ྛͷ෼ྨ


    • ৿ྛރΕඃ֐ͷ೺Ѳ


    • ৿ྛՐࡂঢ়گͷ೺Ѳ


    • ͳͲͳͲ
    29
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  30. ͦͷଞͷਓ޻Ӵ੕׆༻෼໺
    • ܦࡁ׆ಈ


    • ؀ڥ


    • ւ༸


    • ݐஙɾ౔໦


    • ஍࣭ɾ߭෺ɾࢿݯ୳ࠪ


    • ߟݹֶ


    • ͳͲͳͲ
    30
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  31. ͓·͚: Ӵ੕σʔλΛར༻ͯ͠ཧ૝ͷՈ୳͠͸Ͱ͖Δͷ͔!?

    ཧ૝ߴΊͳOLͷ೔ຊશࠃҠॅઌ୳͠ͷཱྀ
    • ʮӴ੕σʔλΛ࢝Ίͱ͢Δ͍ΖΜͳσʔλΛ࢖ͬͯɺࢲ͕ཧ૝ͱ͢Δ฻Β͕͠Ͱ͖Δ
    ৔ॴΛ୳͠ͳ͕ΒཱྀΛͯ͠ΈΑ͏ʂʯ


    • QRίʔυࢀরɹhttps://sorabatake.jp/15905/


    • ൃ૝࣍ୈͰɼ͜Μͳ਎ۙͳ໰୊ͷղܾʹ΋Ӵ੕Λ׆༻Ͱ͖·͢
    31
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  32. ͲͷࣄྫʹڵຯΛ࣋ͪ·͔ͨ͠ʁ


    Τϐϩʔάʮকདྷల๬ʯΛ࿩͠ͳ͕Β
    32
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  33. ࠓ೔ͷεϥΠυ


    33
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