ディープラーニングでコーデを提案/FashionTechMeetup#4

Transcript

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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