人工衛星高速画像処理で 社会問題を解決しよう

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ਓ޻Ӵ੕ߴ଎ը૾ॲཧͰ   ࣾձ໰୊Λղܾ͠Α͏ ๺۝भࢢཱେֶ ࠃࡍ؀ڥ޻ֶ෦ ৘ใγεςϜ޻ֶՊ   ࢁ࡚ ਐ 1 ©︎ 2022 Susumu Yamazaki

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ࣗ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 ©︎ 2022 Susumu Yamazaki

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ಥવͰ͕͢   Ӊ஦ʹϩϚϯΛײ͡·͔͢ʁ Ӊ஦։ൃΛਐΊΔͱΈͳ͞Μͷੜ׆ͷ໾ʹཱͭͱࢥ͍·͔͢ʁ 3 ©︎ 2022 Susumu Yamazaki εϚϗͰQRίʔυΛಡΜͰ   Ξϯέʔτʹճ౴͍ͯͩ͘͠͞Ͷʂ

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ࢁ࡚ਐͷ౴͑ Ӊ஦ʹϩϚϯΛײ͡ΔΘ͚Ͱ͸ͳ͍͕   Ӊ஦։ൃ͸໾ʹཱͭ 4 ©︎ 2022 Susumu Yamazaki

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ؾ৅Ӵ੕ͻ·ΘΓ 5 ©︎ 2022 Susumu Yamazaki

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ͻ·ΘΓͷ༧ࢉن໛: ೥ؒ75ԯԁఔ౓ 1998ʙ2017೥ͷؾީมಈͰͷ೔ຊͷࣗવࡂ֐ܦࡁଛࣦ ೥ؒ2ஹԁ௒ ൺ͸200ഒҎ্ 6 ©︎ 2022 Susumu Yamazaki

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ͻ·ΘΓͷ༧ࢉن໛: ೥ؒ75ԯԁఔ౓ ೔ຊͷ೶ۀͷࢢ৔ن໛ ೥ؒ9ஹԁ௒ ൺ͸1200ഒҎ্ 7 ©︎ 2022 Susumu Yamazaki

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ਓ޻Ӵ੕ͷར఺ ࠃ΍஍ҬΛ௒͑ͯΧόʔͰ͖Δ ͻ·ΘΓը૾Λར༻͢Δࠃɾ஍Ҭ͸ΞδΞɾଠฏ༸஍Ҭ36ϱࠃ 8 ©︎ 2022 Susumu Yamazaki

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ࢁ࡚ਐͷ౴͑ ਓ޻Ӵ੕͔Β΋ͬͱԸܙΛड͚Α͏ʂ 9 ©︎ 2022 Susumu Yamazaki

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Ӊ஦ʹϩϚϯΛٻΊ͍ͯΔ   ਓʹ΋࿕ใͰ͢ 10 ©︎ 2022 Susumu Yamazaki

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Ӊ஦։ൃͰܦࡁޮՌ͕ੜ·ΕΔ ➡Ӊ஦։ൃʹͨ͘͞Μ౤ࢿ͕ਐΉ ➡Ӊ஦ʹ৽ͨͳϩϚϯ͕ੜ·ΕΔ 11 ©︎ 2022 Susumu Yamazaki

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ࢁ࡚ਐͷ౴͑ ਓ޻Ӵ੕͔Β΋ͬͱԸܙΛड͚Α͏ʂ 12 ©︎ 2022 Susumu Yamazaki

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ཧՊɾ෺ཧͷ෮श 13 ©︎ 2022 Susumu Yamazaki

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

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ཧՊɾ෺ཧͷ෮श: Մࢹޫʗ੺֎ઢʗి೾ • Մࢹޫ (visible light) • ೾௕͸360nmʙ830nm (φϊϝʔτϧ) • ໨ʹݟ͑Δޫ • ੺֎ઢ (infrared) • ೾௕͸700nm(φϊϝʔτϧ)ʙ1mm(ϛϦϝʔτϧ) • ੺֎ઢʹ౰ͨΔͱԹ͔͘ͳΔ • ϚΠΫϩ೾ (microwave) • ೾௕͸1mmʙ1m • ςϨϏͳͲͰ࢖ΘΕΔ 15 ©︎ 2022 Susumu Yamazaki 4XJOCVSOF6OJWFSTJUZPG5FDIOPMPHZ

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஍ද໘Λ؍ଌ͢Δਓ޻Ӵ੕Ͱ   ࢖ΘΕΔޫɾి೾ 16 ©︎ 2022 Susumu Yamazaki

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஍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 ©︎ 2022 Susumu Yamazaki 4XJOCVSOF6OJWFSTJUZPG5FDIOPMPHZ

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ਓ޻Ӵ੕׆༻ࣄྫ Έͳ͞Μ͕ৄࡉΛௐ΂΍͍͢Α͏   ΢Σϒϖʔδʹܝࡌ͞Ε͍ͯΔهࣄΛத৺ʹ   ঺հ͠·͢ 18 ©︎ 2022 Susumu Yamazaki

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ਓ޻Ӵ੕׆༻ࣄྫ ๷ࡂɾࡂ֐෮چ 19 ©︎ 2022 Susumu Yamazaki

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౦೔ຊେ਒ࡂલޙͷؠखݝ཮લߴాࢢͷGoogle EarthʹΑΔλΠϜϥϓε 20 ©︎ 2022 Susumu Yamazaki © Google

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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 ©︎ 2022 Susumu Yamazaki

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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 ©︎ 2022 Susumu Yamazaki

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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 ©︎ 2022 Susumu Yamazaki

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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 ©︎ 2022 Susumu Yamazaki

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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 ©︎ 2022 Susumu Yamazaki

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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 ©︎ 2022 Susumu Yamazaki

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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 ©︎ 2022 Susumu Yamazaki

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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 ©︎ 2022 Susumu Yamazaki

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͓·͚: 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 ©︎ 2022 Susumu Yamazaki