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yapcasia-2014-08-30-lt-libitte
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libitte
August 30, 2014
Technology
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yapcasia-2014-08-30-lt-libitte
libitte
August 30, 2014
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Transcript
ը૾ϑΝΠϧʹ৭໊ΛׂΓ͍ͯͨ ͱ͖ʹศརͳϞδϡʔϧͷ͝հ YAPC::Asia Tokyo 2014 08/30 LT @libitte
͡Ί·ͯ͠
͜Μʹͪ
͜͏͍͏࢝Ίͯͳͷ Ͱۓு͍ͯ͠·͢
Self Introduction ΞΧϯτ: @libitte ॴଐ: DeNA ࣄ: Ξόλʔؔ࿈ίϯςϯπͷ։ൃͱӡ༻ ϛογϣϯ: ͓٬༷ʹཧͷࣗʹͳ͍ͬͯͨ
͖ͩɺଘʹָ͠ΜͰ͍ͨͩ͘
Ξόλʔʁ ࣗͷ ཧͷࣗ
Ξόλʔʁ ࣗͷ ཧͷࣗ
Ξόλʔʁ ࣗͷ ཧͷࣗ
Ξόλʔʁ ࣗͷ ཧͷࣗ
ཧͷࣗʹͳ͍ͬͯͨͩͨ͘ ΊʹχʔζͳΔ͍͑ͨ͘
ʮ͔͍͍ͬ͜όΠΫ͕΄͍͠ʯ
͔͍͍ͬ͜όΠΫˑ
ʮ͏͗͞ʹͳΓ͍ͨʯ
͏͗͞
ʮΞΠςϜ͕ଟͯ͘୳͠ʹ͍͘ʯ
ʮ”৭”ͱ͔Ͱ୳͍ͨ͠ʯ
(͓…)
ΞόλʔͷΞΠςϜ = Xेສ݅ …
વࠓ·ͰΞΠςϜʹ৭ͷ໊ લͳΜ͚͖͍ͯͭͯͯͳ͍…
ਓྗʘ(^o^)ʗʁ
None
ਓྗ͕͢͞ʹແཧ
ਓྗ͕͢͞ʹແཧ Xेສ݅ͷΞΠςϜͻͱͭͻͱͭΛΈͯ৭ͷ໊ લͳΜ͚ͯͭͯΒΕͳ͍ ͦͦ͜ΕͬͯԿ৭ʁˠ
ࣗಈͰ͚ͭΔ
ཁ݅ʁ
ࣗಈͰ͚ͭΔ 1. ݕࡧχʔζͷ͋Δ৭໊ʹׂΓͯΔ 2. “৭” ΞΠςϜʹ৭ͱ͚ͭΔ 3. ৭ͷ͍͋·͍ͳΞΠςϜͰແཧΓ͚Δ
͜ΕΒΛ࣮ݱ͢ΔϞδϡʔϧ͕ͳ͔ͬͨ… (´ɾТɾʆ)
Image::ColorDetector
Image::ColorDetector (৭ΛͰͯ͘ͱ͢Δ)
https:/ /metacpan.org/pod/ Image::ColorDetector
ݕࡧχʔζͷ͋Δ৭໊ʹ ׂΓͯΔ
ݕࡧχʔζͷ͋Δ৭໊ʹ ׂΓͯΔ ੨ ΦϨϯδ ࠇ ന ԫ ࢵ
ϐϯΫ etc…
“৭”ʹ৭ͱ͚ͭΔ
“৭”ʹ৭ͱ͚ͭΔ
“৭”ʹ৭ͱ͚ͭΔ -> શ෦৭
“৭”ʹ৭ͱ͚ͭΔ ʮ͜ͷ৭Կ৭͔ʁʯHSV৭ۭؒͷ৭૬Λͱ ʹׂΓͯΔ
HSVͷ͍͍ͱ͜Ζ RGB … ݪ৭ͷΈ߹ΘͤͰ৭͕ఆٛ͞ΕΔ HSV … ৭Λఆٛ͢Δ(Hue)͕1࣠Ͱఆٛ͞Ε ͍ͯΔ -> HSV
ͷ΄͏͕ਓؒͱੑ͕ߴ͍!
͍͋·͍ͳΞΠςϜʹ ແཧΓ৭໊Λ͚ͭΔ
͍͋·͍ͳΞΠςϜʹ ແཧΓ৭໊Λ͚ͭΔ
͍͋·͍ͳΞΠςϜʹ ແཧΓ৭໊Λ͚ͭΔ demo
͍͋·͍ͳΞΠςϜʹ ແཧΓ৭໊Λ͚ͭΔ 10%, ੨7%, ϐϯΫ16%, ࢵ8%, 21%, ΦϨϯδ14%, 24%, …
-> ৭!
Image::ColorDetector ͷ̏ͭͷ༷ 1. ݕࡧχʔζͷ͋Δ৭໊ʹׂΓͯΔ 2. hsv ৭ۭؒʹ͓͚Δ৭ͷఆٛͰׂΓͯΔ 3. ৭ͷ͍͋·͍ͳΞΠςϜͰҰ൪ଟ͍৭໊Λ ׂΓͯΔ
Image::ColorDetector ͷఆར༻έʔε ΞΠςϜΛͦͷը૾ͷ৭໊Ͱݕࡧ͍ͨ͠ ը૾ϑΝΠϧͷ৭໊ΛαʔϏεͰද͍ࣔͨ͠ ৭ׂ໊Γͯʹؔͯ͋͠ΔఔແཧΓͰ ͳ͍
Image::ColorDetector ͷ༧ఆ֦ுػೳ ਫ਼Λ٘ਜ਼ʹͨ͠ߴԽΦϓγϣϯ ࢦఆ৭໊Λࢦఆ͢Δػೳ
͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ ʘ(^o^)ʗ
appendix
ը૾ฤू༻perlϞδϡʔϧ GD::Image Imager Image::Imlib2 Image::MagickʢPerlMagickʣ