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ディープラーニングでコーデを提案/FashionTechMeetup#4

 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. σΟʔϓϥʔχϯάͰίʔσΛఏҊ
    !UO7"4*-: JOD
    'BTIJPO5FDI.FFUVQ

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  2. ίʔσΛఏҊ͢Δ
    w ϑΝογϣϯ෼໺Ͱѻ͏ը૾
    w ΍Γ͍ͨ͜ͱ
    ࣮ݱํ๏
    w $//Λ༻͍ͨಛ௃நग़
    w εφοϓը૾ͷදݱ
    w ݕࡧͷ࢓૊Έ
    ࣮ݧ
    ·ͱΊ
    "HFOEB

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  3. w தଜ୓ຏ!UO
    w σʔλαΠΤϯςΟετ
    w લ৬ɿ4*
    w ࢓ࣄɿػցֶशɾը૾ೝࣝ
    w ΞϧΰϦζϜͷ։ൃ
    ࣗݾ঺հ

    !UO

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  4. 3&4&"3$)ˍ%&7&-01.&/5
    ࣗࣾͰഓͬͨ։ൃٕज़ͷఏڙ
    ɾΞϓϦ։ൃ
    ɾΫϩʔϦϯά
    ɾػցֶश
    ɾσΟʔϓϥʔχϯά
    ɾը૾ղੳ

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  5. ։ൃٕͨ͠ज़
    Ϟσϧண༻ը૾ εφοϓը૾
    ΛΫΤϦͱͯ͠঎඼ը૾Λݕࡧ͢Δ
    ΫΤϦը૾ ݕग़ ݕࡧ

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  6. ίʔσΛఏҊ͢Δ
    w ϑΝογϣϯ෼໺Ͱѻ͏ը૾
    w ΍Γ͍ͨ͜ͱ
    ࣮ݱํ๏
    w $//Λ༻͍ͨಛ௃நग़
    w εφοϓը૾ͷදݱ
    w ݕࡧͷ࢓૊Έ
    ࣮ݧ
    ·ͱΊ
    "HFOEB

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  7. 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

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  8. ΍Γ͍ͨ͜ͱ
    ঎඼ͷண༻ΠϝʔδΛఏڙ͍ͨ͠
    w ண༻Πϝʔδͷఏڙར༻γʔϯͷ૝ى
    w ίʔσΟωʔτͷఏҊ
    ঎඼ৄࡉΛΈ͍ͯΔϢʔβʔʹ঎඼ͱࣅ͍ͯΔΞΠςϜΛ
    ࢖ͬͨεφοϓը૾Λදࣔ͢Δ

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  9. ίʔσΛఏҊ͢Δ
    w ϑΝογϣϯ෼໺Ͱѻ͏ը૾
    w ΍Γ͍ͨ͜ͱ
    ࣮ݱํ๏
    w $//Λ༻͍ͨಛ௃நग़
    w εφοϓը૾ͷදݱ
    w ݕࡧͷ࢓૊Έ
    ࣮ݧ
    ·ͱΊ
    "HFOEB

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  10. $//Λ༻͍ͨಛ௃நग़
    ΞΠςϜͷಛ௃Λ$//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࠾༻

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  11. $//Λ༻͍ͨಛ௃நग़
    ঎඼ͷྨࣅ౓ͷؔ܎͸USJQMFUMPTTͰධՁ͢Δ
    Anchor
    Positive
    Negative
    CNN
    CNN
    CNN

    w ը૾ͷυϝΠϯʹؔ܎ͳ͘ڞ௨ͷωοτϫʔΫΛ࢖͏
    w ࣅ͍ͯΔը૾ಉ࢜͸ۙͮ͘Α͏ʹʗࣅ͍ͯͳ͍ը૾ಉ࢜͸ԕ͔͟ΔΑ͏ʹ
    Embedding
    margin
    ֶश
    Embedding

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  12. εφοϓը૾ͷදݱ
    εφοϓը૾ʹؚ·ΕΔΞΠςϜͷಛ௃ྔΛΧςΰϦຖʹܭࢉ͢Δ

    w εφοϓը૾͔Β֤ΧςΰϦͷΞΠςϜΛݕग़ͯ͠ύʔε
    w ͦΕͧΕͷಛ௃ྔΛ·ͱΊͯεφοϓը૾ͷදݱͱ͢Δ
    UPQTUPQTྖҬ͔Βநग़ͨ͠ಛ௃ྔ
    QBOUTQBOUTྖҬ͔Βநग़ͨ͠ಛ௃ྔ
    CBHTCBHTྖҬ͔Βநग़ͨ͠ಛ௃ྔ
    GPPUXFBSGPPUXFBSྖҬ͔Βநग़ͨ͠ಛ௃ྔ
    \
    εφοϓը૾ ݕग़ εφοϓը૾ͷදݱ

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  13. ݕࡧͷ࢓૊Έ
    छྨͷϞδϡʔϧ͔ΒͳΔ

    w ݕग़Ϟδϡʔϧ͸εφοϓը૾Λύʔεͯ͠ಛ௃ྔΛܭࢉ͓ͯ͘͠
    w ݕࡧϞδϡʔϧ͸঎඼ը૾͔ΒύʔεࡁΈεφοϓը૾Λݕࡧ͢Δ
    ݕग़
    ݕࡧ
    εφοϓը૾
    ΞΠςϜྖҬ
    ݕग़
    Ϟδϡʔϧ
    ݕࡧ
    Ϟδϡʔϧ
    IUUQBSYJWPSHBCT

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  14. ίʔσΛఏҊ͢Δ
    w ϑΝογϣϯ෼໺Ͱѻ͏ը૾
    w ΍Γ͍ͨ͜ͱ
    ࣮ݱํ๏
    w $//Λ༻͍ͨಛ௃நग़
    w εφοϓը૾ͷදݱ
    w ݕࡧͷ࢓૊Έ
    ࣮ݧ
    ·ͱΊ
    "HFOEB

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  15. ࣮ݧ݁Ռ1/2
    ΫΤϦը૾ ݕࡧ݁Ռ

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  16. ࣮ݧ݁Ռ2/2
    ΫΤϦը૾ ݕࡧ݁Ռ

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  17. ίʔσΛఏҊ͢Δ
    w ϑΝογϣϯ෼໺Ͱѻ͏ը૾
    w ΍Γ͍ͨ͜ͱ
    ࣮ݱํ๏
    w $//Λ༻͍ͨಛ௃நग़
    w εφοϓը૾ͷදݱ
    w ݕࡧͷ࢓૊Έ
    ࣮ݧ
    ·ͱΊ
    "HFOEB

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  18. 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

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  19. ͝ਗ਼ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠

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