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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
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Susumu Yamazaki (ZACKY)
July 18, 2022
Technology
0
370
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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Transcript
ਓӴߴը૾ॲཧͰ ࣾձΛղܾ͠Α͏ भࢢཱେֶ ࠃࡍڥֶ෦ ใγεςϜֶՊ ࢁ࡚ ਐ 1
©︎ 2022 Susumu Yamazaki
ࣗݾհ: ࢁ࡚ ਐ (·͖͟ ͢͢Ή) • େͰϓϩάϥϛϯάΛڭ͍͑ͯ·͢ • ใγεςϜֶՊʹࢁ࡚2ਓ͍·͢ •
େʹෝͯ͠ࠓͰ15ʹͳΓ·͢ • ιϑτΣΞͷߴԽͷݚڀΛ͍ͯ͠·͕ͨ͠ ͦͷٕज़Λͱʹͯ͠2020͔ΒਓӴը૾ॲཧ ߴԽͷݚڀʹऔΓΈ࢝Ί·ͨ͠ • ਓӴͷݚڀΛ࢝Ίͯ·͕ͩઙ͍Ͱ͕͢ɼ ໘ന͞ʹເதʹͳ͍ͬͯ·͢ • ࠓ͜ͷݚڀʹ͍ͭͯհ͍ͨ͠ͱࢥ͍·͢ 2 ©︎ 2022 Susumu Yamazaki
ಥવͰ͕͢ ӉʹϩϚϯΛײ͡·͔͢ʁ Ӊ։ൃΛਐΊΔͱΈͳ͞Μͷੜ׆ͷʹཱͭͱࢥ͍·͔͢ʁ 3 ©︎ 2022 Susumu Yamazaki εϚϗͰQRίʔυΛಡΜͰ
Ξϯέʔτʹճ͍ͯͩ͘͠͞Ͷʂ
ࢁ࡚ਐͷ͑ ӉʹϩϚϯΛײ͡ΔΘ͚Ͱͳ͍͕ Ӊ։ൃʹཱͭ 4 ©︎ 2022 Susumu Yamazaki
ؾӴͻ·ΘΓ 5 ©︎ 2022 Susumu Yamazaki
ͻ·ΘΓͷ༧ࢉن: ؒ75ԯԁఔ 1998ʙ2017ͷؾީมಈͰͷຊͷࣗવࡂܦࡁଛࣦ ؒ2ஹԁ ൺ200ഒҎ্ 6 ©︎ 2022 Susumu Yamazaki
ͻ·ΘΓͷ༧ࢉن: ؒ75ԯԁఔ ຊͷۀͷࢢن ؒ9ஹԁ ൺ1200ഒҎ্ 7 ©︎ 2022 Susumu Yamazaki
ਓӴͷར ࠃҬΛ͑ͯΧόʔͰ͖Δ ͻ·ΘΓը૾Λར༻͢ΔࠃɾҬΞδΞɾଠฏ༸Ҭ36ϱࠃ 8 ©︎ 2022 Susumu Yamazaki
ࢁ࡚ਐͷ͑ ਓӴ͔ΒͬͱԸܙΛड͚Α͏ʂ 9 ©︎ 2022 Susumu Yamazaki
ӉʹϩϚϯΛٻΊ͍ͯΔ ਓʹ࿕ใͰ͢ 10 ©︎ 2022 Susumu Yamazaki
Ӊ։ൃͰܦࡁޮՌ͕ੜ·ΕΔ ➡Ӊ։ൃʹͨ͘͞Μࢿ͕ਐΉ ➡Ӊʹ৽ͨͳϩϚϯ͕ੜ·ΕΔ 11 ©︎ 2022 Susumu Yamazaki
ࢁ࡚ਐͷ͑ ਓӴ͔ΒͬͱԸܙΛड͚Α͏ʂ 12 ©︎ 2022 Susumu Yamazaki
ཧՊɾཧͷ෮श 13 ©︎ 2022 Susumu Yamazaki
ཧՊɾཧͷ෮श: • wavelength: • ͷपظతͳ͞ • ه߸ λ
(ϥϜμ)Ͱද͢ • ୯Ґ m (ϝʔτϧ) • प frequency: • 1ඵؒʹ܁Γฦ͢ͷ • ه߸ f Ͱද͢ • ୯Ґ Hz (ϔϧπ) • ͷ͞Λvͱͨ࣌͠ɼ • f λ = v • ಛʹޫి࣓ͷ߹ɼޫ Λ c ͱ͢Δͱ • f λ = c 14 ©︎ 2022 Susumu Yamazaki © Dicklyon (Richard F. Lyon) CC BY-SA 3.0
ཧՊɾཧͷ෮श: Մࢹޫʗ֎ઢʗి • Մࢹޫ (visible light) • 360nmʙ830nm (φϊϝʔτϧ) •
ʹݟ͑Δޫ • ֎ઢ (infrared) • 700nm(φϊϝʔτϧ)ʙ1mm(ϛϦϝʔτϧ) • ֎ઢʹͨΔͱԹ͔͘ͳΔ • ϚΠΫϩ (microwave) • 1mmʙ1m • ςϨϏͳͲͰΘΕΔ 15 ©︎ 2022 Susumu Yamazaki 4XJOCVSOF6OJWFSTJUZPG5FDIOPMPHZ
ද໘Λ؍ଌ͢ΔਓӴͰ ΘΕΔޫɾి 16 ©︎ 2022 Susumu Yamazaki
ද໘Λ؍ଌ͢ΔਓӴͰΘΕΔޫɾి • ද໘؍ଌӴͰ࣍ͷޫɾి͕Α͘ΘΕΔ • Մࢹޫ (visible light) 360nmʙ830nm (φϊϝʔτϧ)
جຊతʹʹݟ͑Δͷͱಉ͡ݟ͑ํΛ͢Δ • ֎ઢ (infrared) 700nm(φϊϝʔτϧ)ʙ1mm(ϛϦϝʔτϧ) Թ͕ߴ͍ͷ͕໌Δ͘Թ͕͍ͷ͕҉͘өΔ • ϚΠΫϩ (microwave) 1mmʙ1m ӢΛಁա͢Δ→ఱީͷӨڹΛड͚ͳ͍ Ξϯςφ͔ΒরࣹͰ͖Δ→னΘͣ؍ଌͰ͖Δ 17 ©︎ 2022 Susumu Yamazaki 4XJOCVSOF6OJWFSTJUZPG5FDIOPMPHZ
ਓӴ׆༻ࣄྫ Έͳ͞Μ͕ৄࡉΛௐ͍͢Α͏ Σϒϖʔδʹܝࡌ͞Ε͍ͯΔهࣄΛத৺ʹ հ͠·͢ 18 ©︎ 2022 Susumu
Yamazaki
ਓӴ׆༻ࣄྫ ࡂɾࡂ෮چ 19 ©︎ 2022 Susumu Yamazaki
౦ຊେࡂલޙͷؠखݝલߴాࢢͷGoogle EarthʹΑΔλΠϜϥϓε 20 ©︎ 2022 Susumu Yamazaki © Google
ϚϦϙϦͷՐࡂΛӴը૾͔Βݕग़͢Δ ʵΦʔϓϯσʔλ͔ΒݟΔࢢͷ࠷৽ঢ়گʵ • 20222݄24ҎདྷͷϩγΞʹΑΔΫϥΠφ৵߈ • ΫϥΠφೆ౦෦ͷߓࢢϚϦϙϦͰܹઓ͕܁Γ͛ΒΕɼ ଟͷࢮইऀ͕ग़͍ͯΔ •
ϑϦʔϥϯεϥΠλʔͷळࢁจࢯ͕20225݄ʹϚϦϙϦͰͷ Րࡂঢ়گΛӴը૾͔Βਪ͢ΔهࣄΛYAHOO! JAPAN χϡʔε ʹܝࡌͨ͠ (QRίʔυࢀর) https://news.yahoo.co.jp/byline/akiyamaayano/20220510-00295407 21 ©︎ 2022 Susumu Yamazaki
9छྨɺ10ͷӴը૾ͰݟΔɺϑϯΨɾτϯΨ-ϑϯΨɾϋΞύΠՐࢁՐͷ௺ࠟ • 20221݄15ʹτϯΨॾౡۙͷϑϯΨɾτϯΨ-ϑϯΨɾϋΞύΠՐࢁͰ େنՐ͕ൃੜ • ാ(ͦΒ͚ͨ)Ͱ20222݄1ʹൃද͞Εͨ ՐલޙͷӴը૾͔ΒՐͷӨڹΛੳ͢Δهࣄ(QRίʔυࢀর)
https://sorabatake.jp/25315/ • هࣄதͷSARɼϚΠΫϩΛΞϯςφ͔Βද໘ʹরࣹ͠ɼ ͖ͬͯͨϚΠΫϩΛΞϯςφͰ؍ଌ͢Δํࣜͷ͜ͱ ఱީɾனΘͣ؍ଌͰ͖Δͷ͕࠷େͷಛ 22 ©︎ 2022 Susumu Yamazaki
SARӴʹ͍ͭͯɹେͰͷSARӴͷݚڀʹ͍ͭͯ • ຊͷϕϯνϟʔاۀ2͕ࣾখܕSAR ӴΛͨ͘͞Μଧ্ͪ͛Δܭը • શ෦ଧ্͕ͪͬͨ࣌ɼੈքதͲ͜Ͱ 10ʙेִؒͰද໘ΛࡱӨͰ͖ΔΑ ͏ʹ •
SAR(߹։ޱϨʔμʔ)ɼϚΠΫϩ Λར༻͢Δ͜ͱͰɼఱީɾனΘͣ ද໘Λ؍ଌͰ͖Δ༏Εͷ • ͜ͷখܕSARӴٕज़ͷ࣮༻Խʹ͚ େͰࢁ࡚ਐ͕ݚڀΛਐΊ͍ͯ·͢ • SARͰ؍ଌͨ͠σʔλɼը૾Խ͢Δͷ ʹߴͳܭࢉॲཧ͕ඞཁ • ͜ͷܭࢉॲཧΛߴԽ͢Δ͜ͱͰɼ ࡱӨ͔ͯ͠Β10ҎʹࡂใΛఏڙ ͢Δٕज़Λݚڀத (QRίʔυࢀর) https://zacky1972.github.io/blog/2022/03/29/sar-apps.html 23 ©︎ 2022 Susumu Yamazaki
ଞʹ… • ɾɾਫʹΑΔඃҬͷ Ѳ • ʹΑΔݐඃͷݕग़ • ࠭ࡂʹΑΔඃՕॴͷݕग़ • ֎ઢηϯαʔʹΑΔՐࢁ؍ଌ
• SARʹΑΔɾՐࢁ׆ಈͷ֪มಈ ؍ଌ • ڮྊͷྲྀग़ɾଛյͷݕग़ • ͢ΓྔͷܭଌͱͦΕΛར༻ͨ͠ϋ βʔυϚοϓͷ࡞ • ߑਫ൙ཞঢ়گͱਫҴඃͷѲ • ྛՐࡂՐࢁՐʹΑΔ২ੜඃͷ Ѳ • ͳͲͳͲ 24 ©︎ 2022 Susumu Yamazaki
ਓӴ׆༻ࣄྫ ྛਫ࢈ۀ 25 ©︎ 2022 Susumu Yamazaki
ʮ੨ఱͷᯡᯧʯʹฉ͘ʂӴσʔλΛ༻͍ͨେͳҴ࡞ଳͷऩ֭࣌ظ༧ଌ • ੨ݝͷϒϥϯυถʮ੨ఱͷᯡᯧ(͍ͤͯΜͷ͖Ε͖)ʯΛ ʮඒຯ͘͠ʯ͔ͭʮऩྔଟ͘ʯ͢ΔͨΊʹӴΛ׆༻ • ͨͱ͑ ංྉ͕গͳ͗͢Δͱऩྔ͕গͳ͘ͳΔ͕ɼ
ංྉ͕ଟ͗͢Δͱ৯ຯ͕ѱ͘ͳΔ • దͳංྉͷྔΛ༩͑ΔͨΊʹɼҴͷੜҭ߹͍ɼ ͱ͘ʹҴͷ༿ͷ৭ΛݟΔ • ৄ͘͠QRίʔυࢀর https://sorabatake.jp/3699/ 26 ©︎ 2022 Susumu Yamazaki
ʮ݁Ռ͕ग़ͳ͔ͬͨ࣌ظɺବͩͳͱશવࢥΘͳ͔ͬͨɻʯ ւ֎ͷτϚτഓΛม͑ΔΧΰϝxNECͷ৽نࣄۀʹഭΔʂ • Έͳ͞Μ͍ͬͯΔͰ͋Ζ͏ɼτϚτένϟοϓɼτϚτδϡʔεͷʮΧΰϝʯ • τϚτൺֱతഓ͕͍͠࡞ Ӎɼ࣪ؾʹऑ͍ɼප͕ଟ͍ɼ… •
ΧΰϝͰΘΕΔτϚτͷੜ࢈ͰɼӴΛ͡Ίͱͨ͠͞·͟·ͳσʔλΛ׆༻ • υϩʔϯͩͱϑϥΠτΛԿຊඈ͞ͳ͍ͱ͍͚ͳ͍ͷ͕ෛ୲ɽ ͦͷෛ୲͕ແ͍ͷ͕Ӵͷར • QRίʔυࢀরɹhttps://sorabatake.jp/20875/ 27 ©︎ 2022 Susumu Yamazaki
αάϦ͕1ԯ5500ສԁΛௐୡɻߞ࡞์غͷૣظൃݟٴͼѲͰۀ՝ͷղܾʹΉ ʲिץӉϏδωεχϡʔε 2021/5/31ʙ6/6ʳ • ۀʹͨͣ͞ΘΔਓͷߴྸԽʹΑΓߞ࡞์غ͕૿Ճ • खೖΕΛ͠ͳ͍ͱͰμϝʹͳͬͯ͠·͏ • μϝʹͳΔલʹߞ࡞์غΛૣ͘ݟ͚ͭͯɼۀͷղܾʹߩݙ͢Δ ✴େͷڥࣄྫݚڀͱ͍͏तۀʹͯɼ
2020ʹߞ࡞์غʹ͍ͭͯӴͰѲ͢Δͱ͍͏ൃද͕༏लൃදʹ • QRίʔυࢀরɹhttps://sorabatake.jp/20806/ 28 ©︎ 2022 Susumu Yamazaki
ଞʹ… • େͳɼࡏ͢Δͷཧ • ์ͷཧ • ਫྔɼɼංཊͷੳ • ద࣌ऩ֭ •
ҧ๏ૢۀړધͷऔΓక·Γ • ࠄऩྔͷૣظ༧ଌ • ੜҭঢ়گͷѲ • ͷࣂྉͷѲ • খഴͷख़ਐͷѲ • ༿ͷथఆ • ړ༧ଌ • ைͷݕɾ༧ଌ • ྛͷྨ • ྛރΕඃͷѲ • ྛՐࡂঢ়گͷѲ • ͳͲͳͲ 29 ©︎ 2022 Susumu Yamazaki
ͦͷଞͷਓӴ׆༻ • ܦࡁ׆ಈ • ڥ • ւ༸ • ݐஙɾ •
࣭ɾ߭ɾࢿݯ୳ࠪ • ߟݹֶ • ͳͲͳͲ 30 ©︎ 2022 Susumu Yamazaki
͓·͚: ӴσʔλΛར༻ͯ͠ཧͷՈ୳͠Ͱ͖Δͷ͔!? ཧߴΊͳOLͷຊશࠃҠॅઌ୳͠ͷཱྀ • ʮӴσʔλΛ࢝Ίͱ͢Δ͍ΖΜͳσʔλΛͬͯɺࢲ͕ཧͱ͢ΔΒ͕͠Ͱ͖Δ ॴΛ୳͠ͳ͕ΒཱྀΛͯ͠ΈΑ͏ʂʯ • QRίʔυࢀরɹhttps://sorabatake.jp/15905/ •
ൃ࣍ୈͰɼ͜ΜͳۙͳͷղܾʹӴΛ׆༻Ͱ͖·͢ 31 ©︎ 2022 Susumu Yamazaki
ͲͷࣄྫʹڵຯΛ࣋ͪ·͔ͨ͠ʁ ΤϐϩʔάʮকདྷలʯΛ͠ͳ͕Β 32 ©︎ 2022 Susumu Yamazaki
ࠓͷεϥΠυ 33 ©︎ 2022 Susumu Yamazaki