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ディープラーニングでコーデを提案/FashionTechMeetup#4

tn1031
June 07, 2017

 ディープラーニングでコーデを提案/FashionTechMeetup#4

tn1031

June 07, 2017
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  1. ϑΝογϣϯ෼໺Ͱѻ͏ը૾ ঎඼ը૾ͱεφοϓը૾ͱ͍͏छྨͷυϝΠϯ͕ଘࡏ͢Δ w ஔ͖ࡱΓ΍ϚωΩϯͷը૾͕ଟ͍ w ਖ਼໘͔ΒΈͨ࣌ͷσβΠϯ͕Θ͔Γ΍͍͢ w ண༻Πϝʔδ͕༙͖ʹ͍͘  ঎

    ඼ ը ૾ ε φ ο ϓ ը ૾ ը૾ ಛ௃ w Ϟσϧ͕ண༻ͨ͠ը૾ w ண༻࣌ͷҹ৅΍ίʔσΟωʔτͷࢀߟʹͳΔ w ϙʔζ΍എܠʹ΋޻෉ΛڽΒ͍ͯ͠Δ
  2. $//Λ༻͍ͨಛ௃நग़ ΞΠςϜͷಛ௃Λ$//ͰϕΫτϧԽ͢Δ  w ը૾͔ΒΞΠςϜͷಛ௃Λநग़ͯ͠ϕΫτϧԽ͢Δ w ϕΫτϧಉ࢜ͷҐஔؔ܎͸ྨࣅ౓ͱΈͳ͢͜ͱ͕Ͱ͖Δ ಛ௃ྔۭؒ f(x) ͍ۙ(ࣅ͍ͯΔ)

    ԕ͍(ࣅ͍ͯͳ͍) ը૾σʔλ ॎԣ480pixelͷ৔߹ɺ࣍ݩ਺͸ 480x480x3 = 691200 dim ը૾ಛ௃ྔ ը૾σʔλΛදݱ͢Δ௿࣍ͷϕΫτϧ ѹॖ ؔ਺ʹCNNΛ࠾༻
  3. $//Λ༻͍ͨಛ௃நग़ ঎඼ͷྨࣅ౓ͷؔ܎͸USJQMFUMPTTͰධՁ͢Δ Anchor Positive Negative CNN CNN CNN  w

    ը૾ͷυϝΠϯʹؔ܎ͳ͘ڞ௨ͷωοτϫʔΫΛ࢖͏ w ࣅ͍ͯΔը૾ಉ࢜͸ۙͮ͘Α͏ʹʗࣅ͍ͯͳ͍ը૾ಉ࢜͸ԕ͔͟ΔΑ͏ʹ Embedding margin ֶश Embedding
  4. w ঎඼ը૾͔Βεφοϓը૾Λݕࡧ͢Δ࢓૊ΈΛఏҊ w ண༻Πϝʔδͷ૝ىʗར༻γʔϯͷ૝ى w ίʔσΟωʔτͷఏҊ w σΟʔϓϥʔχϯάΛ༻͍࣮ͯݱ w ݕग़ͱݕࡧͷ૊Έ߹Θͤ

    w ྨࣅ౓ͷධՁʹ͸USJQMFUMPTTΛ༻͍Δ w ࢖༻ײ w େࡶ೺ͳಛ௃͸ଊ͑ΒΕ͍ͯΔ w ৎײͷΑ͏ʹࡉ͔͍ಛ௃͸νϡʔχϯά΍ޙॲཧͰٵऩ w ݕग़ͷਫ਼౓͕ݕࡧਫ਼౓ʹ΋Өڹ͢Δ ·ͱΊ