SENSYにおける深層学習活用事例とTensorFlowの悩み相談 - TFUG#3

by Yuichi Takebe

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1 4&/4:חֶֽ׷帾㾴㷕统崞欽✲⢽ה 5FOTPS'MPXך䝢׫湱锑娀鿇꧅♧ ؕٓؿٕ٥ن٦س吳䒭⠓爡$50 !OVJDIJ :VJDIJ5BLFCF Feb 22, 2017

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2 ؕٓؿٕ٥ن٦س吳䒭⠓爡חאְג •2011೥ ૑ۀɻݱࡏ6ظ໨ •ΦϑΟε: ौ୩۠ٶӹࡔ •ैۀһ਺: 18໊ - ΤϯδχΞɺݚڀऀɺίϯαϧɺӦۀɺܦӦاը

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3 ؕٓؿٕ٥ن٦سך7JTJPO શͯͷਓʑʹɺਓੜ͕มΘΔग़ձ͍Λ Vision ➂䊨濼腉䪮遭׾崞欽׃ג㹋植 How

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4 $50 ✲噟顑⟣罏 فٗتؙزوط٦آٍ ؒٝآص،ؚٔٝوط٦ آٍ اؿزؐؑ،ؒٝآص، )3 荈䊹稱➜娀鿇꧅♧!OVJDIJ ˖ 秈䎃⵸ח$#פKPJO ˖ ׉ך⵸כ%F/"ח䎃٠剢㖈硂 ˖ ٓٝش٦ ˖ ➙劍؟ـ麦䧭 ˖ 1#ؿٕIN ˖ 1#ع٦ؿIN ˖ 70.BY ˖ 宏刑㢸ծ涽㽿ד䖉׏גתׅ

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5 4&/4:חאְג I know U! ֮ז׋ך㥨׫ך˘  • SENSYʹύʔιφϧAI • ײੑΛֶश͢ΔɺͻͱΓҰ୆ͷਓ޻஌ೳ

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6 4&/4:ך⡘縧בֽחאְג 害欽➂䊨濼腉 䓼ְ"* 暴⻉㘗➂䊨濼腉 䓲ְ"* ֿ׍׵׾湫䱸湡䭷ׅ ׮ךדכזְ ‣ 歗⫷鍑匿 ˖ 歗⫷钠陎 ˖ 걄㚖暴㹀 ˖ 歗⫷欰䧭  ‣ 荈搫鎉铂Ⳣ椚 ˖ 鎉铂䠐㄂椚鍑 ˖ إٝثًٝزⴓ匿 ˖ 䕎䡾稆鍑匿  ‣ 갈㡮钠陎  ‣ 䠬䚍㷕统   ˖ 䠬䚍㷕统׾⚥䗰חծ歗⫷鍑匿ծ荈搫鎉铂Ⳣ椚ծ 갈㡮钠陎׾穈׫さ׻ׇג䘔欽կ

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7 ؕٓؿٕ٥ن٦سךهآءّٝ ग़య: http://ainow.ai/aimap01/ AIʹؔ࿈͢Δࠃ಺ϓϨΠϠʔϚοϓʹ͓͚ΔҐஔʢ2016೥Ն/AINOWΑΓʣ

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8 4&/4:׾䘔欽׃׋UP$荈爡فٗتؙز ✦ ؿ؋حءّٝⴓꅿ 4&/4: BQQ 4&/4:$-04&5 BQQ XFC ✦ $IBUCPU 4&/4:CPU '#.FTTFOHFS -*/& 倜㺊⟻⹲⚸傈劤ꂊ㡰׶㜥ח1FQQFS甧א ✦ ًؚٕ 4&/4:ائؒ QFQQFS UBCMFU

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9 4&/4:׾䘔欽׃׋UP#أُ٦ءّٝ ✦ "*䪮遭䲿⣘ UP$؟٦ؽأד䕎ח׃׋䧭卓暟 ׾䘔欽׃ג⟰噟פ䲿⣘٥㼪Ⰵ ⟰噟ぢֽחؕأةو؎ؤ׃ ׋醡ㅷךꟚ涪 "1*䲿⣘ ୯ମϑΝογϣϯ  ΞΠςϜ ͜ͷΞΠςϜʹ߹͏ίʔ σΟωʔτݟ͍ͨʂ Ԡ౴଎౓200msҎ಺ ࢦఆΞΠςϜΛؚΉίʔσΟωʔ τΛฦ٫ Ұྫ: Outﬁt API ✦ ؝ٝ؟ٕذ؍ؚٝ ㉀ㅷ⟰歗 ꨽銲✮庠.%剑黝⻉ و٦؛ذ؍ؚٝؔ٦زً٦ءّ ٝ顋⤛鎘歗 ؝٦ٕإٝة٦噟⹡剑黝⻉

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10 䎃剢⟃꣬ח57ծ倜耀ծ꧟钞瘝䎃꟦㯭⡤ח䲓鯹 1411" % 152" NHK !$ 1412" !) 156" !$)' * # 155" !)BP 1411" !)MJ # 158" !)(& * # 2017೥1݄20೔ൃച ฐࣾࣄྫ3छ͕ܝࡌ 2017೥2݄19೔ αϯσʔδϟϙϯ

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11 4&/4:חֶֽ׷堣唒㷕统帾㾴㷕统崞欽✲⢽

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12 4&/4:ד崞欽׃גְ׷堣唒㷕统帾㾴㷕统ך֮׸ֿ׸ ˖ صُ٦ٕٓطحزٙ٦ؙծ殴׫鴥׫صُ٦ٕٓطحزٙ٦ؙ $// ˖ ؟ه٦زكؙة٦وءٝ 47. ˖ LNFBOT岀ח״׷ؙٓأةؚٔٝ ˖ 荈䊹穈籼⻉وحف 40. ծ8PSE7FD ˖ ؔ٦زؒٝ؝٦ت٦ ˖ $IBJOFSծ$BFծ5FOTPS'MPX ˖ OVNQZծQBOEBT ΞϧΰϦζϜ ϑϨʔϜϫʔΫɺϥΠϒϥϦ

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13 4&/4:דך堣唒㷕统帾㾴㷕统ך䘔欽⢽ ˖ ِ٦ؠ٦ָ㥨׫׉ֲז،؎ذيך䱿讂 ˖ 歗⫷ח㼎ׅ׷ծؕذ؞ٔװꨜ㔲孡ךةؚ➰ֽ ˖ 歗⫷胜兝ך鷲麓 ˖ ؝٦ر؍ط٦زך荈⹛⡲䧭 ˖  Fashion ˖ 㥨׫חさְ׉ֲזٙ؎ٝך䱿讂ծ傈劤ꂊך䱿讂 άϧϝʢ͓ञʣ ˖ ؟ه٦زإٝة٦噟⹡ך"*⻉ Chatbot

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14 ✲⢽稱➜䎢デ$73✮庠XJUI5FOTPS'MPX Ԩ و٦ثٍٝزהػ٦زش٦ך暴䗙ꆀ⡲䧭חؔ٦زؒٝ؝٦ت٦׾ⵃ 欽կ3#'/׾欽ְגծ$73ך✮庠㔐䌓ٌرٕ׾⡲׷ Ԩ 5FOTPS'MPXⵃ欽 ⴓ겲 UP#أُ٦ءّٝ 곁㹏㣐䩛؎ٝة٦طحز䎢デ➿椚䏄湡涸 $73✮庠"*㼪Ⰵ⸬卓ָ֮׷ַךծ✲⵸嗚鏾 ،ؙة٦ 䎢デ⚺و٦ثٍٝزծ䎢デ邌爙罏ػ٦زش٦ծِ٦ؠ٦ Ⰵ⸂ر٦ة 湫鵚٠剢ך花㣐זؙٔحؙؚٗ

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15 ✲⢽稱➜䎢デ$73✮庠穠卓׾⯓ח • ࠷ऴతʹ͸ɺਓʹΑΔฏۉ஋ൺɺܶతͳ޲্ ώϡʔϚϯΦϖϨʔγϣϯ vs ਓ޻஌ೳ ਫ਼౓ൺֱ 40.0% 60.0% 76.4% 85.0% 0.0% 10.0% 20.0% 30.0% 40.0% 50.0% 60.0% 70.0% 80.0% 90.0% SENSY SENSY 1σ 2σ 44.1% 23.2% 13.8% 6.1% A ෦໳i B C D W ෦໳ii X Y Z

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16 ✲⢽稱➜䎢デ$73✮庠،ٕ؞ٔؤي鑫鍑 ˖ Ⰵ⸂㾴如⯋ծ⚥꟦㾴如⯋ծ⳿ ⸂㾴如⯋  ˟ֿֿדך如⯋כծػ٦زش٦ך؟؎ز׾暴䗙בֽ׷ِ٦ؠך侧 ˖ ⴓ겲㉏겗ך鍑ֹ倯כءٌؚ؎سꟼ侧 ˖ ءٌؚ؎سꟼ侧ծSFDUJFSծTJODPT׾鑐 ׃ծ➙㔐כ㷕统ךأؾ٦سה铎䊴ַ׵ء ٌؚ؎سָ׮׏ה׮　勲ָ傍ַ׏׋ ˖ 㖇簭ה䗁⯋ח״׶ظ؎ؤꤐ⿠ ˖ Ⰵ⸂㾴⚥꟦㾴ך暴䗙ꆀ׌ֽ׾ⵃ欽 ˖ و٦ثٍٝزהػ٦زش٦׉׸׊׸ד 暴䗙ꆀ׾䬄⳿䖓ծ⽃秪穠さ ˖ ̔$73㷕统㐻̔$73✮䟝

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17 ✲⢽稱➜ؿ؋حءّٝ،؎ذيך䱿讂剑黝⻉ Ԩ ؼ٦زوحفכծ歗⫷暴䗙ꆀ׾U4/&ד如⯋ח衅ה׃鴥׫ծぐ歗⫷ ך䱿㹀أ؝،˟$//ך⳿⸂⦼׾葿ד邌植 Ԩ $//כ$IBJOFS׾欽ְג㷕统 ⴓ겲 UP$荈爡فٗتؙز 湡涸荈爡ؿ؋حءّٝ؟٦ؽأˎ4&/4:ˏחֶֽ׷ِ٦ؠ٦ך㥨׫ 剪חꟼׅ׷䠬䚍ך✳如⯋ؼ٦زوحفח״׷ⴓ匿 ،ؙة٦ ِ٦ؠ٦ 㷕统ر٦ة ِ٦ؠ٦ח䱿讂׃׋،؎ذيך㥨ֹ٥㱾ְ䞔㜠 Ⰵ⸂ر٦ة ؿ؋حءّٝ،؎ذي歗⫷ծ傀㶷ِ٦ؠך㥨׫ך䞔㜠

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18 ✲⢽稱➜ؿ؋حءّٝ،؎ذي䱿讂剑黝⻉ؼ٦زوحفח״׷〳鋔⻉ User1ͷײੑಛ௃ྔۭؒ γϯϓϧ౓߹͍ͰΞΠςϜ Λଊ͍͑ͯΔɻ ແ஍ͷ෰Λ޷Έɺฑ෺Λ޷ ·ͳ͍ɻ

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19 User2ͷײੑಛ௃ྔۭؒ Ϟϊτʔϯ΁ͷ޷ΈͷภΓɻ ৭ͷ͍ͭͨ෰Λ޷·ͳ͍ ✲⢽稱➜ؿ؋حءّٝ،؎ذي䱿讂剑黝⻉ؼ٦زوحفח״׷〳鋔⻉

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20 User3ͷײੑಛ௃ྔۭؒ ৭ͷ໌౓ͰΞΠςϜΛଊ͑ ͍ͯΔɻύεςϧΧϥʔͷ ෰Λ޷Ήɻ ✲⢽稱➜ؿ؋حءّٝ،؎ذي䱿讂剑黝⻉ؼ٦زوحفח״׷〳鋔⻉

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21 ✲⢽稱➜ؿ؋حءّٝ،؎ذيך䱿讂剑黝⻉ך䘔欽 ಛఆϢʔβʔ୯ҐʹߜΔͱɺ ࣍ͷΑ͏ͳఏҊ͕Մೳ ɹ ✓ ΑΓ޷ΈʹϚον͢ΔΞ ΠςϜͷఏҊ ಛఆΞύϨϧ΍ϒϥϯυ୯ҐʹߜΔͱɺ ࣍ͷΑ͏ͳఏҊ͕Մೳɻ ✓ ঎඼اըͷํ޲ੑݕ౼ ✓ धཁ༧ଌ / MDܭըͷ࠷దԽ ՄࢹԽ͞Ε͍ͯΔͱɺސ٬ͱͷڞ௨ೝ ࣝ΋࣋ͪ΍͍͢ɻ ➡ ࠓޙɺ෼ࢄԽʹΑΔ଎౓޲্Λ໨తʹɺTensorFlow / Cloud ML ΋࢖ͬͯ Έ͍ͨ

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22 ֿ׸תד$IBJOFS$BF׾崞欽׃גֹ׋✲噟⠓爡חֶֽ׷ծ 5FOTPS'MPXחתא׻׷䝢׫✳挿 ˖ $IBJOFSד⡲׏׋傀㶷فٗآؙؑزծ5FOTPS'MPXד׮װ׏ג׫׋ְזהכ䙼ֲ׮ךך ˖ ぐؿٖ٦يٙ٦ؙך鏣鎘䙼䟝ָ殯ז׶ծٌرٕך㢌䳔כ窫劄涸 ˖ 荈爡؟٦ؽأד　꧊׃׋׶ծ⼿噟⟰噟ַ׵갸ַ׏׋ر٦ة׾⯋ח襳琎׃גֹ׋ٌرٕכծ 䔲爡חֶֽ׷اؿزؐؑ،项欵կ孡鯪ח5FOTPS'MPXדⱄꟚ涪ה׮ְַזְ ˖ 鍑寸倯岀 աڈʹ஝ੵ͖ͯͨ͠Ϟσϧͷྲྀ༻ ˖ DIBJOFSכ遤⴨鎘皾ח/VNQZ׾⢪׏גְ׷ (16ٌ٦س儗ך$VQZ׮㺁僒ח/VNQZ㢌䳔〳腉 ֿההծ㹋遤׃זָ׵ٌرٕ׾⡲׸׷ךדծىأ׾涪鋅׃װְׅ ˖ 5'כ⯓ח鎘皾ٌرٕ׾⡲׏ג琎׫♳־גTFTTSVO ׃ג׫זְהⴓַ׵זְ׃ծ⸇ִגؒ ٓ٦ًحإ٦آծTUBDLUSBDF׮鷄ְב׵ֻծىأװ䟝㹀㢩皘䨽׾暴㹀׃ב׵ְ ˖ 5'ـٓحؙنحؙأ㉏겗 ˖ 鍑寸倯岀 debugͷͮ͠Β͞ 㢳ⴓזְֽוծ،سغ؎أ갥ֽ׷倯僽ꬊֶ격ְ׃תׅ 㢳ⴓזְֽוծ،سغ؎أ갥ֽ׷倯僽ꬊֶ격ְ׃תׅ

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23 䝢׫׾䩧׍嶊ׅծ5FOTPS'MPXך눁⸂ Ԩ 佄䭯罏㢳ֻծ؝ىُصذ؍׮攦期涸儗挿䔲爡锃ץ

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24 䝢׫׾䩧׍嶊ׅծ5FOTPS'MPXך눁⸂ Ԩ ⴓ侔㷕统פך劍䖉 (PPHMF$MPVE.- :BIPPח״׷5FOTPX'MPX0O4QBSL ˖ $IBJOFS./ח׮׮׍׹׿劍䖉׃גְ׷ָ Ԩ 㷕ןװׁׅ 㼭♧儗꟦דPQTظ٦سծؒحآծر٦ةؿٗ٦圓鸡ծTFTTSVO הְ׏׋㛇劤涸ז圓䧭銲稆׾椚鍑׃ծ麇ן㨣׭׵׸׷ ˖ ,FSBTד刿חءٝفٕח鎸鶢׮ 灇瑔罏הاؿزؐؑ،ؒٝآص،ך؝ٓنٖ٦ءّٝ׮劍䖉ד ֹ׷

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25 תה׭ ‣ 5FOTPS'MPX黝欽皘䨽ծ㟓װ׃גײֹ׋ְ 䊬㣐זر٦ة׾㼎韋חծⴓ侔㷕统׾䩛鯪ח⢪ְ׋ְהֹ ؼ٦زوحف⡲䧭⢽ך״ֲזٞ؍آُ،ٓ؎ئ٦ءّٝ 倜鋉فٗآؙؑزדծַא鴥׫Ⰵ׏׋ֿה׾׃זְהֹ ‣ ♧倯ד$IBJOFSװ$BFF׮䒷ֹ竲ֹ黝勞黝䨽ծⵃ欽׃׋ְ

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26 剑䖓חデ濼 ˖ 抟ؕٓؿٕ٥ن٦س剢如䥪鋵⠓ח麇ןח勻תׇ׿ַ ؿ٦سהֶꂊה铂׵ְך㜥幪靼㹧渣㖩ؔؿ؍أחג ֶ孡鯪חֶ㡮ָֻֽ׌ְׁ湫䱸ד׮!OVJDIJפד׮կ ˖ ➂勞⹫꧊׃גְתׅ♧筰ח堣唒㷕统װ׶ת׃׳ֲ "84($1♳ך(16؎ٝأةٝأⵃ欽〳腉⦐➂㼔欽堣׮〳 爡ⰻⰋ(JU)VCٖهآزٔפ،ؙإأ〳 Ⰻؒٝآص،ָ堣唒㷕统⢪ְֿז׃גְ׷朐䡾湡䭷׃גֶ׶ծ  اؿزؐؑ،ؒٝآص،穗꿀罏ַ׵ך،فٗ٦ث׮〳腉

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27 ׀幠耮֮׶ָהֲ׀ְׂת׃׋