23 χϡʔϥϧωοτϫʔΫ: ֶश x1 x2 xm y1 y2 yn x f y • m࣍ݩͷϕΫτϧxΛn࣍ݩͷϕΫτϧyࣸ૾͢ΔؔfΛਪఆ͢Δֶशख๏ t tn t2 t1 W(1) W(2) b(1) b(2) ✓(i+1) = ✓(i) ↵rEk E = 1 2 X n (yn tn)2 E = X n tn ln yn rEk = ( @Ek @✓1 , .. @Ek @✓V ) ग़ྗͱਖ਼ղͷޡࠩΛද͢ଛࣦؔΛఆٛ͢Δɻ ೋޡࠩʢࠨʣɺަࠩΤϯτϩϐʔޡࠩʢӈʣ ଛࣦؔʹର͢Δ֤ύϥϝλͷภඍͷͷू·ΓʢޯʣΛ༻ ͍ͯଛࣦؔͷ͕খ͘͞ͳΔΑ͏ʹύϥϝλΛߋ৽͢Δ͜ͱΛ ޯ߱Լ๏ͱݺͿɻಛʹҰ෦ͷ݁ՌͷΈΛར༻͢Δ֬తޯ߱ Լ๏͕Α͘༻͍ΒΕΔɻ Αͬͯޯ͕ফ͑ͳ͍Α͏ͳͳΊΒ͔ͳ׆ੑԽ͕ؔ·ΕΔɻ ·ͨɺ֤ύϥϝλͷภඍΛݸผʹٻΊΔͷͰͳ͘ɺχϡʔϥ ϧωοτϫʔΫΛදؔ͢GΛ߹ؔͱݟཱͯΔ͜ͱͰɺ্ྲྀ ͷޡࠩͱࣗͷೖྗͷΈΛͬͯܭࢉྔΛ͑ͳ͕Βޮతʹ ޯΛٻΊΔख๏Λޡࠩٯ๏ͱݺͿɻ
ಛྔม 28 Service Object Storage GCP image to data data to feature vectorizer by Inception-v3 Annoy Workers • ͋Δ࣌·Ͱͷ࡞ը૾ҰཡΛಛྔʹม͢Δ • มͨ͠ಛྔҰཡΛۙࣅۙ୳ࡧσʔλϕʔεʹೖ͢Δ
GannoyʹΑΔಈతΠϯσοΫεߋ৽+ྨࣅը૾ݕࡧ 36 Features Similar items Gannoy [2048]float64 query by http find similar features mapping similar features to items response Deep CNN index Features [2048]float64 Deep CNN register by http