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QRίʔυγΣϧܳ? @ୈ24ճγΣϧܳษڧձେࡕαςϥΠτ

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໨࣍ ➤ ࣗݾ঺հ ➤ QRίʔυͱ͸ ➤ QRίʔυͷಛ௃ ➤ QRίʔυͱγΣϧܳ ➤ ·ͱΊ

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ࣗݾ঺հ(1) ➤ ϋϯυϧωʔϜ: MSR (@msr386) ➤ ٻ৬த ➤ C++ϓϩάϥϛϯάͱαʔόʔӡ༻͕ಘҙ ➤ Chromium Contributor (1ճ͚ͩ)

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ࣗݾ঺հ(2) Webϒϥ΢β࡞ͬͯ·͢ ( http://app.tungsten-start.net/ ) ※ਤ͸։ൃதͷ΋ͷͰ͢

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QRίʔυͱ͸ ➤ גࣜձࣾσϯιʔ΢Σʔϒ͕։ൃͨ͠2࣍ݩίʔυ ➤ Quick Responseͷུ ➤ JISن੍֨ఆ (1999೥, ϚΠΫϩQR͸2004೥) ➤ ISOن੍֨ఆ (2000೥) ➤ ਺஋ͳΒ࠷େ໿7000ܻɺ8ϏοτόΠφϦσʔλͰ࠷େ2953όΠτຒ ΊࠐΊΔ ➤ Կ͕ॻ͍ͯ͋Δ͔͸ਓؒʹ͸Θ͔Βͳ͍ ➤ ↓ྫ

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QRίʔυͷಛ௃ QRίʔυυοτίϜ(http://www.qrcode.com/)ʹΑΔͱɾɾɾ 1. େ༰ྔσʔλͷऩೲ 2. খεϖʔε΁ͷҹࣈ 3. ͔ͳɾ׽ࣈΛޮ཰Α͘දݱ 4. ԚΕɾഁଛʹڧ͍ 5. 360°Ͳͷํ޲͔ΒͰ΋ಡΈऔΓՄೳ 6. ࿈݁ػೳΛαϙʔτ

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QRίʔυͷछྨ QRίʔυ
 Ϟσϧ1 Ϟσϧ2 ϚΠΫϩQRίʔυ iQRίʔυ SQRC ϑϨʔϜQR ࠷ॳͷQRίʔυ
 
 Ϟσϧ2͸վྑ൛
 
 ݱࡏɺQRίʔυ ͸ҰൠతʹϞσ ϧ2Λࣔ͢ ੾Γग़͠γϯϘ ϧΛ௨ৗͷQRί ʔυͷ3ݸ͔Β1 ݸʹݮΒ͠ɺΑ Γখͨ͘͞͠ί ʔυ QRίʔυΑΓଟ ͘ͷ৘ใྔΛ֨ ೲՄೳ
 
 ௕ํܗ൛΋ଘࡏ
 
 දཪ൓సɾനࠇ ൓సͰ΋ೝࣝՄ ೳ σʔλಡΈऔΓ ੍ݶػೳ෇͖QR ίʔυ
 
 ݟͨ໨͸QRίʔ υͱมΘΒͳ͍ தԝ෦ʹਤܗɾ จࣈͳͲΛࣗ༝ ʹ഑ஔͰ͖Δྖ Ҭ͕͋Δ JIS/ISOن੍֨ఆ JISن੍֨ఆࡁ - - -

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QRίʔυͷੜ੒ɾಡΈऔΓ ➤ UNIXܥOSͰQRίʔυΛੜ੒ɾಡΈऔΓΛߦ͏ʹ͸࣍ͷίϚ ϯυɾϥΠϒϥϦΛ࢖͏ ੜ੒: qrencode, libqrencode ಡΈऔΓ: ZBar, libdecodeqr

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QRίʔυΛੜ੒͢Δ ➤ UbuntuͰ͋Ε͹ύοέʔδ͕ଘࡏ͢Δ
 $ sudo apt-get install qrencode ➤ QRίʔυը૾Λੜ੒͢Δ
 $ qrencode -o qr.png QRcode ➤ ANSI੍ޚίʔυ෇͖දࣔɺASCIIɺUTF-8ɺSVGग़ྗ΋Մೳ
 $ qrencode -t UTF8 QRcode

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QRίʔυΛಡΈऔΔ ➤ UbuntuͰ͋Ε͹ύοέʔδ͕ଘࡏ͢Δ
 $ sudo apt-get install zbar-tools ➤ ը૾͔ΒಡΈऔΔʹ͸zbarimgΛ࢖͏
 $ zbarimg qr.png
 QR-Code:echo danger
 scanned 1 barcode symbols from 1 images in 0.01 seconds
 $ zbarimg -q qr.png | sed ’s/^QR-Code://' | sh
 danger ➤ URL΋OK
 $ zbarimg -q http://c999947562-cloudpro-897304964.cloudatcost.com/qr.png
 QR-Code:CloudAtCost͸ങ͍੾Γ͕ͩӡ༻ʹ޲͔ͳ͍VPSͰ͢ ➤ Χϝϥ͔ΒಡΈऔΔʹ͸zbarcamΛ࢖͏
 $ zbarcam
 Initializing Camera...
 
 QR-Code:test
 QR-Code:test2

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QRίʔυͷಛ௃ ΛվΊͯ֬ೝ

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“ 8ϏοτόΠφϦσʔλͰ࠷େ2953όΠτຒΊࠐΊΔ
 Կ͕ॻ͍ͯ͋Δ͔ਓؒʹ͸Θ͔Βͳ͍ - QRίʔυͷಛ௃

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γΣϧܳ΁ͷԠ༻ ➤ γΣϧܳΛۦ࢖ͨ݁͠Ռɺ͋·Γʹ΋௕͗͢ΔϫϯϥΠφʔ ίϚϯυʹͳͬͯ͠·֮ͬͯ͑ΒΕͳͯ͘΋ɺQRίʔυԽ͠ ͨը૾ϑΝΠϧͱΧϝϥ͕͋Ε͹ؒҧ͍ͳ࣮͘ߦͰ͖Δ ➤ γΣϧεΫϦϓτ΋֨ೲͰ͖ΔͷͰ֦ுՄೳ

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׆༻ྫ 1. ௕͍γΣϧίϚϯυΛQRίʔυʹͯ͠ɺҹ࡮orදࣔ 2. ͦͷࢴorը໘ΛΧϝϥʹಡΈࠐ·ͤɺಡΈऔΔ

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ಛ௕ ➤ ௕͍γΣϧίϚϯυΛ໨ೖྗͤͣʹࡁΉ ➤ Πϯλʔωοτ͔Βִ཭͞ΕͨϚγϯͰɺΧϝϥͱಡΈऔΓ ΞϓϦ͕Πϯετʔϧ͞Ε͍ͯΔ৔߹ʹ(ݶΓ)༗ޮ

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׆༻ྫͷ໰୊఺ ➤ ׆༻Ͱ͖Δ৔໘͕গͳ͍ ➤ QRίʔυͷಡΈऔΓ͕໘౗
 QRίʔυΛΧϝϥʹ͔ͯ݁͟͠ՌΛऔಘ͠ͳ͚Ε͹ͳΒͳ͍ ➤ ΧϝϥಡΈऔΓ͸γΣϧܳͷఆٛʹ൓͍ͯ͠Δ
 ˞zbarcamͰ͸ϫϯϥΠϯ࣮ߦ͕ࠔ೉ͳͨΊ ➤ qrencodeͰੜ੒ͨ͠QRίʔυը૾ϑΝΠϧͷड͚౉͠Ͱͦͷ ··ಡΈऔΔ৔߹ɺQRίʔυʹ͢Δҙຯ͸͋Δͷ͔

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·ͱΊ ➤ QRίʔυ͸େ༰ྔ͕ͩਓؒʹ͸ಡΊͳ͍ೋ࣍ݩίʔυ ➤ ੜ੒͸qrencode ➤ ಡΈऔΓ͸zbarimg͔zbarcam ➤ γΣϧܳ΁ͷԠ༻͸ݶఆత?
 Α͍ํ๏͸ࠓޙͷ՝୊

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ࢀߟ ➤ QRίʔυυοτίϜ
 ɹhttp://www.qrcode.com/ ➤ ZBar code reader
 ɹhttp://zbar.sourceforge.net/ ➤ libqrencode
 ɹhttps://fukuchi.org/works/qrencode/