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ਂ૚ֶशษڧձ ("/ͷ֓ཁͱ %$("/ͷΞʔΩςΫνϟʗΞϧΰϦζϜ Ճ౻ᚠ໵ !IJSPTBKJ

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͸͡Ίʹ

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આ໌͢ΔྲྀΕ ࠓճͷϓϨθϯͷྲྀΕͰ͢ɻ %$("/ͷϞσϧͷߏ଄ %$("/ͷϞσϧΛ஁͑Δ ɾ(FOFSBUPSͷ಺෦ߏ଄ ɾ%JTDSJNJOBUPSͷ಺෦ߏ଄ ɾ(FOFSBUPSͷଛࣦؔ਺ ɾ%JTDSJNJOBUPSͷଛࣦؔ਺ ("/ʗ%$("/ͷ֓ཁ

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ղઆ͠ͳ͍͜ͱ ࠓճ͸//ͷجૅతͳղઆ͸͋·Γ͠·ͤΜɻ࣮૷ํ๏ʹ΋৮Ε·ͤΜɻ ɾχϡʔϥϧωοτʢ//ʣͷֶशϓϩηε ɾڭࢣσʔλ͔ΒϥϯμϜαϯϓϦϯά͢Δख๏ʢϛχόονͳͲʣ ɾύϥϝʔλͷޯ഑Λܭࢉ͢Δख๏ʢޡࠩٯ఻೻๏ͳͲʣ ɾύϥϝʔλΛߋ৽͢ΔΞϧΰϦζϜʢ4(%ͳͲʣ ɾ("/%$("/ͷ࣮૷ํ๏ ྑ͍ϦϑΝϨϯε͸঺հ͠·͢! "

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("/ʗ%$("/ͷ֓ཁ ̍

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GANͬͯͳʹʁ ("/͸̎ͭͷҟͳΔϞσϧͰߏ੒͞Εɺσʔλੜ੒ʗม׵ʹ༻͍ΒΕΔɻ σʔλΛ෼ྨ͢ΔϞσϧͰ σʔλΛੜ੒͢ΔϞσϧΛ஁͑͋͛Δख๏ɻ ਖ਼ղϥϕϧ (FOFSBUPS ʢσʔλੜ੒ثʣ %JTDSJNJOBUPS ʢσʔλ෼ྨثʣ ੜ੒σʔλʢʹʣ ڭࢣσʔλʢʹʣ ੜ੒σʔλ ڭࢣσʔλ /PJTF

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GANͬͯͳʹʁ ਖ਼ղϥϕϧ آ࡞ʢʹʣ ຊ෺ʢʹʣ آ࡞ ຊ෺ /PJTF ؑఆ࢜ ͬ͘͟ΓΠϝʔδɻ࠷ॳ͸·ͩ·ͩਫ਼౓ͷ௿͍੺ͪΌΜϞσϧͨͪΛʜ آ࡞৬ਓ ࣮૷ͷΠϝʔδͱͯ͠͸·ͣɺ ϞσϧΛ࢓ࠐΜͩ̎ਓͷ੺Μ๥Λ༻ҙ͠·͢ɻ

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GANͬͯͳʹʁ ޓ͍ʹڝΘͤͯਫ਼౓ΛߴΊ͋͏ߏ੒ɻະख़ͳ̎ਓΛಉ࣌ʹҭͯΔͷ͕؊ɻ ͜ͷ̎ਓΛཱ೿ͳآ࡞৬ਓʗؑఆ࢜ʹҭ੒ɻ ېஅͷίϯϏΛ݁੒ͤ͞ΔΠϝʔδɻ ਖ਼ղϥϕϧ آ࡞ʢʹʣ ຊ෺ʢʹʣ آ࡞ ຊ෺ /PJTF آ࡞৬ਓ ؑఆ࢜

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GANͰԿ͕Ͱ͖Δͷʁ ("/ʹ࢝·Δੜ੒Ϟσϧͷݚڀ͸୔ࢁ͋Γ·͢ɻ͍·ϗοτͳٕज़Ͱ͢# ʢ44**νϡʔτϦΞϧߨԋʮ4IBMM8F("/T ʙ("/ͷجૅ͔Β࠷ۙͷݚڀ·ͰʙʯͷεϥΠυࢿྉΛҰ෦վมʣ ཧ࿦ Ԡ༻ -PTTΛ޻෉ ܭࢉͷ҆ఆੑΛ޲্ ऩଋੑΛ޲্ ֶशͷภΓʹରԠ ը૾ੜ੒ "&7"&ͱͷ߹Θٕͤ ௒ղ૾ 5FYUUP*NBHF ߏ଄෼ղ %PNBJOͷม׵ % ʢ%PNBJO"EBQUBUJPOʣ ҟৗݕ஌ ɾ4/("/ ɾ3FMBUJWJTUJD("/ ɾ5563 ɾ-4("/ ɾ$PVMPNC("/ ɾ8("/ ɾ8("/(1 ɾ/VNFSJDPG("/T ɾ6OSPMMFE("/ ɾ1BD("/ ɾ7&&("/ ɾ#PVS("/ ɾ%$("/ ɾ1SPHSFTTJWF("/ ɾ#JH("/ ɾ4UZMF#BTFE("/ ɾ""& ɾ7"&("/ ɾ*NBHF$PNQSFTTJPO ɾ43("/ ɾ&43("/ ɾ4UBDL("/ ɾ*OGP("/ ɾ63%' ɾ$ZDMF("/ ɾ%JTDP("/ ɾ%3FD("/ ɾ%*355 ɾ"%%" ɾ$ZD"%" ɾ7JEFPBOPNBMZEFUFDUJPO ɾ"OP("/ ɾ"OP7"&("/ ʢ%JTFOUBOHMFNFOUʣ υϝΠϯదԠ ʢ.PEF$PMMBQTFʣ

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GANͰԿ͕Ͱ͖Δͷʁ ·ͣ͸ɺࠓճղઆ͢Δ%$("/ɻখ͍͞αΠζͷը૾͕ੜ੒Ͱ͖·͢ɻ ʢ44**νϡʔτϦΞϧߨԋʮ4IBMM8F("/T ʙ("/ͷجૅ͔Β࠷ۙͷݚڀ·ͰʙʯͷεϥΠυࢿྉΛҰ෦վมʣ ཧ࿦ Ԡ༻ -PTTΛ޻෉ ܭࢉͷ҆ఆੑΛ޲্ ऩଋੑΛ޲্ ֶशͷภΓʹରԠ ը૾ੜ੒ "&7"&ͱͷ߹Θٕͤ ௒ղ૾ 5FYUUP*NBHF ߏ଄෼ղ %PNBJOͷม׵ % ʢ%PNBJO"EBQUBUJPOʣ ҟৗݕ஌ ɾ4/("/ ɾ3FMBUJWJTUJD("/ ɾ5563 ɾ-4("/ ɾ$PVMPNC("/ ɾ8("/ ɾ8("/(1 ɾ/VNFSJDPG("/T ɾ6OSPMMFE("/ ɾ1BD("/ ɾ7&&("/ ɾ#PVS("/ ɾ%$("/ ɾ1SPHSFTTJWF("/ ɾ#JH("/ ɾ4UZMF#BTFE("/ ɾ""& ɾ7"&("/ ɾ*NBHF$PNQSFTTJPO ɾ43("/ ɾ&43("/ ɾ4UBDL("/ ɾ*OGP("/ ɾ63%' ɾ$ZDMF("/ ɾ%JTDP("/ ɾ%3FD("/ ɾ%*355 ɾ"%%" ɾ$ZD"%" ɾ7JEFPBOPNBMZEFUFDUJPO ɾ"OP("/ ɾ"OP7"&("/ ʢ%JTFOUBOHMFNFOUʣ υϝΠϯదԠ ʢ.PEF$PMMBQTFʣ ɾ%$("/ ºͷը૾Λੜ੒ BS9JW

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GANͰԿ͕Ͱ͖Δͷʁ #JH("/ɻ%$("/ͳͲͰදݱͰ͖ͳ͔ͬͨେ͖ͳࣸਅ͕ੜ੒Ͱ͖·͢ɻ ʢ44**νϡʔτϦΞϧߨԋʮ4IBMM8F("/T ʙ("/ͷجૅ͔Β࠷ۙͷݚڀ·ͰʙʯͷεϥΠυࢿྉΛҰ෦վมʣ ཧ࿦ Ԡ༻ -PTTΛ޻෉ ܭࢉͷ҆ఆੑΛ޲্ ऩଋੑΛ޲্ ֶशͷภΓʹରԠ ը૾ੜ੒ "&7"&ͱͷ߹Θٕͤ ௒ղ૾ 5FYUUP*NBHF ߏ଄෼ղ %PNBJOͷม׵ % ʢ%PNBJO"EBQUBUJPOʣ ҟৗݕ஌ ɾ4/("/ ɾ3FMBUJWJTUJD("/ ɾ5563 ɾ-4("/ ɾ$PVMPNC("/ ɾ8("/ ɾ8("/(1 ɾ/VNFSJDPG("/T ɾ6OSPMMFE("/ ɾ1BD("/ ɾ7&&("/ ɾ#PVS("/ ɾ%$("/ ɾ1SPHSFTTJWF("/ ɾ#JH("/ ɾ4UZMF#BTFE("/ ɾ""& ɾ7"&("/ ɾ*NBHF$PNQSFTTJPO ɾ43("/ ɾ&43("/ ɾ4UBDL("/ ɾ*OGP("/ ɾ63%' ɾ$ZDMF("/ ɾ%JTDP("/ ɾ%3FD("/ ɾ%*355 ɾ"%%" ɾ$ZD"%" ɾ7JEFPBOPNBMZEFUFDUJPO ɾ"OP("/ ɾ"OP7"&("/ ʢ%JTFOUBOHMFNFOUʣ υϝΠϯదԠ ʢ.PEF$PMMBQTFʣ ߴղ૾౓ͷը૾Λੜ੒ BS9JW ɾ#JH("/

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GANͰԿ͕Ͱ͖Δͷʁ &43("/ɻߴղ૾౓ͳը૾Λ࠶ݱ͢Δ͜ͱʢ௒ղ૾ʣ͕Ͱ͖·͢ɻ ʢ44**νϡʔτϦΞϧߨԋʮ4IBMM8F("/T ʙ("/ͷجૅ͔Β࠷ۙͷݚڀ·ͰʙʯͷεϥΠυࢿྉΛҰ෦վมʣ ཧ࿦ Ԡ༻ -PTTΛ޻෉ ܭࢉͷ҆ఆੑΛ޲্ ऩଋੑΛ޲্ ֶशͷภΓʹରԠ ը૾ੜ੒ "&7"&ͱͷ߹Θٕͤ ௒ղ૾ 5FYUUP*NBHF ߏ଄෼ղ %PNBJOͷม׵ % ʢ%PNBJO"EBQUBUJPOʣ ҟৗݕ஌ ɾ4/("/ ɾ3FMBUJWJTUJD("/ ɾ5563 ɾ-4("/ ɾ$PVMPNC("/ ɾ8("/ ɾ8("/(1 ɾ/VNFSJDPG("/T ɾ6OSPMMFE("/ ɾ1BD("/ ɾ7&&("/ ɾ#PVS("/ ɾ%$("/ ɾ1SPHSFTTJWF("/ ɾ#JH("/ ɾ4UZMF#BTFE("/ ɾ""& ɾ7"&("/ ɾ*NBHF$PNQSFTTJPO ɾ43("/ ɾ&43("/ ɾ4UBDL("/ ɾ*OGP("/ ɾ63%' ɾ$ZDMF("/ ɾ%JTDP("/ ɾ%3FD("/ ɾ%*355 ɾ"%%" ɾ$ZD"%" ɾ7JEFPBOPNBMZEFUFDUJPO ɾ"OP("/ ɾ"OP7"&("/ ʢ%JTFOUBOHMFNFOUʣ υϝΠϯదԠ ʢ.PEF$PMMBQTFʣ ը૾ͷղ૾౓Λ޲্ʢ௒ղ૾ʣ BS9JW ɾ&43("/

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GANͰԿ͕Ͱ͖Δͷʁ *OGP("/ɻإͷ޲͖ͷΑ͏ͳજࡏม਺Λಠཱʹநग़͢Δ͜ͱ͕Ͱ͖·͢ɻ ʢ44**νϡʔτϦΞϧߨԋʮ4IBMM8F("/T ʙ("/ͷجૅ͔Β࠷ۙͷݚڀ·ͰʙʯͷεϥΠυࢿྉΛҰ෦վมʣ ཧ࿦ Ԡ༻ -PTTΛ޻෉ ܭࢉͷ҆ఆੑΛ޲্ ऩଋੑΛ޲্ ֶशͷภΓʹରԠ ը૾ੜ੒ "&7"&ͱͷ߹Θٕͤ ௒ղ૾ 5FYUUP*NBHF ߏ଄෼ղ %PNBJOͷม׵ % ʢ%PNBJO"EBQUBUJPOʣ ҟৗݕ஌ ɾ4/("/ ɾ3FMBUJWJTUJD("/ ɾ5563 ɾ-4("/ ɾ$PVMPNC("/ ɾ8("/ ɾ8("/(1 ɾ/VNFSJDPG("/T ɾ6OSPMMFE("/ ɾ1BD("/ ɾ7&&("/ ɾ#PVS("/ ɾ%$("/ ɾ1SPHSFTTJWF("/ ɾ#JH("/ ɾ4UZMF#BTFE("/ ɾ""& ɾ7"&("/ ɾ*NBHF$PNQSFTTJPO ɾ43("/ ɾ&43("/ ɾ4UBDL("/ ɾ*OGP("/ ɾ63%' ɾ$ZDMF("/ ɾ%JTDP("/ ɾ%3FD("/ ɾ%*355 ɾ"%%" ɾ$ZD"%" ɾ7JEFPBOPNBMZEFUFDUJPO ɾ"OP("/ ɾ"OP7"&("/ ʢ%JTFOUBOHMFNFOUʣ υϝΠϯదԠ ʢ.PEF$PMMBQTFʣ ௚ײతʹղऍͰ͖ΔҼࢠʹ෼ղ͠ɺಠཱͳજࡏม਺Λநग़ BS9JW ɾ*OGP("/

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GANͰԿ͕Ͱ͖Δͷʁ $ZDMF("/ɻҟͳΔυϝΠϯʹը૾Λม׵͢Δ͜ͱ͕Ͱ͖·͢ɻ ʢ44**νϡʔτϦΞϧߨԋʮ4IBMM8F("/T ʙ("/ͷجૅ͔Β࠷ۙͷݚڀ·ͰʙʯͷεϥΠυࢿྉΛҰ෦վมʣ ཧ࿦ Ԡ༻ -PTTΛ޻෉ ܭࢉͷ҆ఆੑΛ޲্ ऩଋੑΛ޲্ ֶशͷภΓʹରԠ ը૾ੜ੒ "&7"&ͱͷ߹Θٕͤ ௒ղ૾ 5FYUUP*NBHF ߏ଄෼ղ %PNBJOͷม׵ % ʢ%PNBJO"EBQUBUJPOʣ ҟৗݕ஌ ɾ4/("/ ɾ3FMBUJWJTUJD("/ ɾ5563 ɾ-4("/ ɾ$PVMPNC("/ ɾ8("/ ɾ8("/(1 ɾ/VNFSJDPG("/T ɾ6OSPMMFE("/ ɾ1BD("/ ɾ7&&("/ ɾ#PVS("/ ɾ%$("/ ɾ1SPHSFTTJWF("/ ɾ#JH("/ ɾ4UZMF#BTFE("/ ɾ""& ɾ7"&("/ ɾ*NBHF$PNQSFTTJPO ɾ43("/ ɾ&43("/ ɾ4UBDL("/ ɾ*OGP("/ ɾ63%' ɾ$ZDMF("/ ɾ%JTDP("/ ɾ%3FD("/ ɾ%*355 ɾ"%%" ɾ$ZD"%" ɾ7JEFPBOPNBMZEFUFDUJPO ɾ"OP("/ ɾ"OP7"&("/ ʢ%JTFOUBOHMFNFOUʣ υϝΠϯదԠ ʢ.PEF$PMMBQTFʣ ҟͳΔυϝΠϯͷσʔλʹม׵ BS9JW ɾ$ZDMF("/

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ࠓճղઆ͢Δͷ͸DCGAN ଞʹ΋৭ʑ͋Γ·͕͢ɺࠓճ঺հ͢Δͷ͸%$("/Ͱ͢ɻ ʢ44**νϡʔτϦΞϧߨԋʮ4IBMM8F("/T ʙ("/ͷجૅ͔Β࠷ۙͷݚڀ·ͰʙʯͷεϥΠυࢿྉΛҰ෦վมʣ ཧ࿦ Ԡ༻ -PTTΛ޻෉ ܭࢉͷ҆ఆੑΛ޲্ ऩଋੑΛ޲্ ֶशͷภΓʹରԠ ը૾ੜ੒ "&7"&ͱͷ߹Θٕͤ ௒ղ૾ 5FYUUP*NBHF ߏ଄෼ղ %PNBJOͷม׵ % ʢ%PNBJO"EBQUBUJPOʣ ҟৗݕ஌ ɾ4/("/ ɾ3FMBUJWJTUJD("/ ɾ5563 ɾ-4("/ ɾ$PVMPNC("/ ɾ8("/ ɾ8("/(1 ɾ/VNFSJDPG("/T ɾ6OSPMMFE("/ ɾ1BD("/ ɾ7&&("/ ɾ#PVS("/ ɾ%$("/ ɾ1SPHSFTTJWF("/ ɾ#JH("/ ɾ4UZMF#BTFE("/ ɾ""& ɾ7"&("/ ɾ*NBHF$PNQSFTTJPO ɾ43("/ ɾ&43("/ ɾ4UBDL("/ ɾ*OGP("/ ɾ63%' ɾ$ZDMF("/ ɾ%JTDP("/ ɾ%3FD("/ ɾ%*355 ɾ"%%" ɾ$ZD"%" ɾ7JEFPBOPNBMZEFUFDUJPO ɾ"OP("/ ɾ"OP7"&("/ ʢ%JTFOUBOHMFNFOUʣ υϝΠϯదԠ ʢ.PEF$PMMBQTFʣ

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DCGANͬͯͳʹʁ %$("/͸ը૾ੜ੒ͷఏҊख๏Ͱ͢ɻ("/ͷߏ଄ʹ$//Λಋೖ͍ͯ͠·͢ɻ ਖ਼ղϥϕϧ (FOFSBUPS ʢը૾ੜ੒ثʣ %JTDSJNJOBUPS ʢը૾෼ྨثʣ ੜ੒ը૾ ʢʹʣ ڭࢣը૾ ʢʹʣ ੜ੒ը૾ ڭࢣը૾ /PJTF ը૾Λ෼ྨ͢Δ$//Ͱ ը૾Λੜ੒͢Δ$//Λ஁͑͋͛Δख๏ɻ ʢจষΛੜ੒͢Δࣄྫ΋͋ΔΒ͍͠ʣ

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GAN -> DCGAN ͷ৽نੑ͸ʁ ߏ଄͸("/ͱେମҰॹͰ͕͢ɺ$//ͷಋೖʹগ͠޻෉Λͨ͠Α͏Ͱ͢ɻ arXiv:1511.06434 ˔ ("/ʹQPPMJOH૚ͷͳ͍$//Λಋೖͨ͠ ˔ $//ͷॏΈ͸#BUDI/PSNBSJ[BUJPOͰن֨Խͨ͠ ˔ ӅΕ૚Ͱ͸શ݁߹૚Λར༻͠ͳ͍ ˔ (FOFSBUPSʗ%JTDSJNJOBUPSͷ׆ੑԽؔ਺ʹ͸3F-6ʗ-FBLZ3F-6Λར༻ ʢͨͩ͠(FOFSBUPSͷग़ྗ૚͸5BOIʣ

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ʢҰԠʣNNͬͯͳʹʁ ೦ͷҝɺ͜͜Ͱࣄલ஌ࣝͷ֬ೝɻ//͸ڊେͳ̍ͭͷؔ਺ͷΑ͏ͳ΋ͷͰ͢ɻ χϡʔϥϧωοτϫʔΫʢ//ʣΛҰݴͰ͍͏ͱ ೖྗσʔλͰ ෼ྨ΍ճؼΛ͢Δ ਺ཧϞσϧͷҰछɻ ਎௕ ମॏ ݂ѹ ମԹ ࢹྗ ݈߁PSෆ݈߁

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ͲΜͳωοτϫʔΫߏ଄Λઃܭ͢Δ΋ࣗ༝Ͱ͕͢ɺਫ਼౓͕ग़Δ͔͸ࣗݾ੹೚ɻ ͲΜͳωοτϫʔΫʹ͢Δ͔͸ઃܭऀͷࣗ༝ ϨΠϠʔؒͷσʔλαΠζ͕߹͍ͬͯΕ͹ɺ ͲΜͳωοτϫʔΫߏ଄ʹͯ͠΋ྑ͍ɻ ʢҰԠʣNNͬͯͳʹʁ

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//ϞσϧͰzྑ͍ਪ࿦zΛ͢Δʹ͸ɺॏΈύϥϝʔλͷ࠷దԽ͕ඞཁͰ͢ɻ //ͷֶशϓϩηεུ֓ ɾ ɾ ɾ ɾ ɾ ɾ εςοϓ̍ʢϛχόονʣ ڭࢣσʔλ͔ΒϥϯμϜʹҰ෦ͷσʔλΛબग़ εςοϓ̎ʢޯ഑ͷࢉग़ʣ ॏΈύϥϝʔλʹ͍ͭͯଛࣦؔ਺ͷޯ഑Λࢉग़ εςοϓ̏ʢύϥϝʔλߋ৽ʣ ॏΈύϥϝʔλΛޯ഑ํ޲ʹඍখྔ͚ͩߋ৽ εςοϓ̐ʢ܁Γฦ͢ʣ εςοϓ̍ʙ̏Λ܁Γฦ͢ ʢҰԠʣNNͬͯͳʹʁ

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·ͣ͸ɺσʔληοτ͔ΒҰఆ਺ͷσʔλΛ੾Γग़͠·͢ɻ //ͷֶशϓϩηεུ֓ ɾ ɾ ɾ ɾ ɾ ɾ εςοϓ̍ʢϛχόονʣ ڭࢣσʔλ͔ΒϥϯμϜʹҰ෦ͷσʔλΛબग़ εςοϓ̎ʢޯ഑ͷࢉग़ʣ ॏΈύϥϝʔλʹ͍ͭͯଛࣦؔ਺ͷޯ഑Λࢉग़ εςοϓ̏ʢύϥϝʔλߋ৽ʣ ॏΈύϥϝʔλΛޯ഑ํ޲ʹඍখྔ͚ͩߋ৽ εςοϓ̐ʢ܁Γฦ͢ʣ εςοϓ̍ʙ̏Λ܁Γฦ͢ ʢҰԠʣNNͬͯͳʹʁ

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࣍ʹɺϛχόον୯ҐͰଛࣦؔ਺ͰޡࠩΛܭࢉ͠ɺޯ഑Λਪఆ͠·͢ɻ ɾ ɾ ɾ ɾ ɾ ɾ ڭࢣσʔλ͔ΒϥϯμϜʹҰ෦ͷσʔλΛબग़ εςοϓ̎ʢޯ഑ͷࢉग़ʣ ॏΈύϥϝʔλʹ͍ͭͯଛࣦؔ਺ͷޯ഑Λࢉग़ εςοϓ̏ʢύϥϝʔλߋ৽ʣ ॏΈύϥϝʔλΛޯ഑ํ޲ʹඍখྔ͚ͩߋ৽ εςοϓ̐ʢ܁Γฦ͢ʣ εςοϓ̍ʙ̏Λ܁Γฦ͢ εςοϓ̍ʢϛχόονʣ ॱ఻೻Ͱਪఆ ଛࣦؔ਺Ͱ ग़ྗͱਖ਼ղͱͷ ޡࠩˠޯ഑Λܭࢉ //ͷֶशϓϩηεུ֓ ʢҰԠʣNNͬͯͳʹʁ

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ͦͯ͠ɺਪఆͨ͠ޯ഑ͰॏΈΛߋ৽ɻֶश܎਺Ͱগͣͭ͠ʮۙࣅʯ͠·͢ɻ ɾ ɾ ɾ ɾ ɾ ɾ ڭࢣσʔλ͔ΒϥϯμϜʹҰ෦ͷσʔλΛબग़ ॏΈύϥϝʔλʹ͍ͭͯଛࣦؔ਺ͷޯ഑Λࢉग़ εςοϓ̏ʢύϥϝʔλߋ৽ʣ ॏΈύϥϝʔλΛޯ഑ํ޲ʹඍখྔ͚ͩߋ৽ εςοϓ̐ʢ܁Γฦ͢ʣ εςοϓ̍ʙ̏Λ܁Γฦ͢ εςοϓ̍ʢϛχόονʣ ٯ఻೻ͰॏΈΛߋ৽ εςοϓ̎ʢޯ഑ͷࢉग़ʣ //ͷֶशϓϩηεུ֓ ʢҰԠʣNNͬͯͳʹʁ

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͜ͷ޻ఔͷ܁Γฦ͠Ͱਫ਼౓͕޲্͠ɺ//Ͱzྑ͍ਪ࿦z͕Ͱ͖ΔΑ͏ʹɻ ɾ ɾ ɾ ɾ ɾ ɾ ڭࢣσʔλ͔ΒϥϯμϜʹҰ෦ͷσʔλΛબग़ ॏΈύϥϝʔλʹ͍ͭͯଛࣦؔ਺ͷޯ഑Λࢉग़ εςοϓ̏ʢύϥϝʔλߋ৽ʣ ॏΈύϥϝʔλΛޯ഑ํ޲ʹඍখྔ͚ͩߋ৽ εςοϓ̐ʢ܁Γฦ͢ʣ εςοϓ̍ʙ̏Λ܁Γฦ͢ εςοϓ̍ʢϛχόονʣ ٯ఻೻ͰॏΈΛߋ৽ εςοϓ̎ʢޯ഑ͷࢉग़ʣ ॱ఻೻Ͱਪఆ //ͷֶशϓϩηεུ֓ ʢҰԠʣNNͬͯͳʹʁ

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ʢҰԠʣCNNͬͯͳʹʁ Ͱɺ৞ΈࠐΈΛߦ͏//͕$//ɻ্ਤ͸̎Ϋϥε෼ྨΛ͢Δγϯϓϧͳྫɻ ৞ Έ ࠐ Έ ૚ ׆ ੑ Խ ؔ ਺ ϓ ʔ Ϧ ϯ ά ૚ c ׆ ੑ Խ ؔ ਺ ׆ ੑ Խ ؔ ਺ શ ݁ ߹ ૚ શ ݁ ߹ ૚ $//͸ʮ৞ΈࠐΈʢޙड़ʣʯΛಋೖͨ͠// ɾ ɾ ɾ ɾ ɾ ɾ ɾ ɾ ɾ

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%$("/ͷϞσϧͷߏ଄ ̎

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DCGANͬͯͳʹʁʢ࠶ܝʣ %$("/͸("/ͱಉ༷ɺ(FOFSBUPSͱ%JTDSJNJOBUPSͰߏ੒͞Ε·͢ɻ ਖ਼ղϥϕϧ (FOFSBUPS ʢը૾ੜ੒ثʣ %JTDSJNJOBUPS ʢը૾෼ྨثʣ ੜ੒ը૾ ʢʹʣ ڭࢣը૾ ʢʹʣ ੜ੒ը૾ ڭࢣը૾ /PJTF ը૾Λ෼ྨ͢Δ$//Ͱ ը૾Λੜ੒͢Δ$//Λ஁͑͋͛Δख๏ɻ

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DCGANͬͯͳʹʁʢ࠶ܝʣ ·ͣઆ໌͢Δͷ͸ɺ(FOFSBUPSͰ͢ɻ ਖ਼ղϥϕϧ (FOFSBUPS ʢը૾ੜ੒ثʣ %JTDSJNJOBUPS ʢը૾෼ྨثʣ ੜ੒ը૾ ʢʹʣ ڭࢣը૾ ʢʹʣ ੜ੒ը૾ ڭࢣը૾ /PJTF ը૾Λ෼ྨ͢Δ$//Ͱ ը૾Λੜ੒͢Δ$//Λ஁͑͋͛Δख๏ɻ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ (FOFSBUPSͰ͸ɺ৭Μͳը૾Λੜ੒Ͱ͖ΔΑ͏ɺཚ਺Ͱը૾Λੜ੒͠·͢ɻ (FOFSBUPSͰ͸ԿΛ͢Δͷʁ ཚ਺Λ༩͑ͯɺ ̐૚ͷ$//ϨΠϠͰºͷը૾Λੜ੒͢Δɻ arXiv:1511.06434

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ը૾ੜ੒ͷϑϩʔͰॏཁͳͷ͸ɺ͜ͷ෦෼ͰߦΘΕͯΔ$//ϨΠϠͰ͢ɻ (FOFSBUPSͰ͸ԿΛ͢Δͷʁ ཚ਺Λ༩͑ͯɺ ̐૚ͷ$//ϨΠϠͰºͷը૾Λੜ੒͢Δɻ arXiv:1511.06434

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ (FOFSBUPSͷ$//ϨΠϠͰ͸ɺೖग़ྗͷؒͰ̏ͭͷॲཧ͕૸Γ·͢ɻ (FOFSBUPSʹ͓͚Δ$//ϨΠϠͷ಺෦ߏ଄ సஔ৞ΈࠐΈ #BUDI
 /PSNBMJ[BUJPO 3F-6 ৞ΈࠐΈ ਖ਼نԽ ׆ੑԽؔ਺ /º/ QJYFMT /º/ QJYFMT ೖྗσʔλ ग़ྗσʔλ ࣍ͷϑϩʔΛ܁Γฦͯ͠ɺ ঃʑʹಛ௃ྔͷαΠζΛେ͖͘͢Δɻ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ̍ͭ໨͕ʮసஔ৞ΈࠐΈʯɻ సஔ৞ΈࠐΈ #BUDI
 /PSNBMJ[BUJPO 3F-6 ৞ΈࠐΈ ਖ਼نԽ ׆ੑԽؔ਺ /º/ QJYFMT /º/ QJYFMT ೖྗσʔλ ग़ྗσʔλ ࣍ͷϑϩʔΛ܁Γฦͯ͠ɺ ঃʑʹಛ௃ྔͷαΠζΛେ͖͘͢Δɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ సஔ৞ΈࠐΈ͸ɺ৞ΈࠐΈʢޙड़ʣ͕సஔ͞ΕͨΠϝʔδͰ͢ɻ ग़ྗը૾ʢ্෦ʣΛɺ ೖྗը૾ʢԼ෦ʣ͔Β ΛಘΔΠϝʔδʢΒ͍͠ʣɻ dumoulin/conv_arithmetic ը૾Ҿ༻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ºͷೖྗͰɺºͷग़ྗΛ͢ΔྫΛɺҰ͔Β௥ͬͯΈ·͠ΐ͏ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ೖྗσʔλ Χʔωϧ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ Χʔωϧʹର͠ɺ̍ηϧ͝ͱͷೖྗσʔλΛϒϩʔυΩϟετ͍͖ͯ͠·͢ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ೖྗσʔλ Χʔωϧ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ 1BEEJOH͚ͩग़ྗΛύσΟϯά͠ɺ4USJEFT୯Ґʹζϥ͠ͳ͕Β৐ࢉ͠·͢ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ೖྗσʔλ ग़ྗσʔλ ʢʹ1BEEJOHʣ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT Χʔωϧ ʢʹ4USJEFTʣ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ͲΜͲΜ৐ࢉ͍͖ͯ͠·͢ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ೖྗσʔλ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT Χʔωϧ ʢʹ1BEEJOHʣ ʢʹ4USJEFTʣ

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Χʔωϧ Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ͦͯ͠࠷ޙ·ͰຒΊΔͱ͜Μͳײ͡ɻ྘ͷ෦෼͕ग़ྗσʔλͰ͢ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ೖྗσʔλ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ ʢʹ4USJEFTʣ

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Χʔωϧ ೖྗσʔλ Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ·ͨɺը૾͸3(#ͳͲ̏৭ͷνϟϯωϧΛ༻͍ͯॲཧ͢Δ͜ͱ͕ຆͲͰ͢ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ$IBOOFMTʣ ʢʹ$IBOOFMTʣ

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Χʔωϧ ೖྗσʔλ Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ͨͩ͜ͷ··Ͱ͸ɺ%$("/ͷਤʹ͋ͬͨDIBOOFM਺ͱ਺͕Ұக͠·ͤΜɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ$IBOOFMTʣ ʢʹ$IBOOFMTʣ *OQVUDIBOOFMT 0VUQVUDIBOOFMT ʢʹ$IBOOFMTʣ

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Χʔωϧ ೖྗσʔλ Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ͜ͷ৔߹͸ɺೖྗσʔλͱΧʔωϧΛਫ૿ͯ͠͠ɺDIBOOFM਺Λἧ͑·͢ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ సஔ৞ΈࠐΈ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ$IBOOFMTʣ ʢʹ$IBOOFMTʣ *OQVUDIBOOFMT 0VUQVUDIBOOFMT ʢʹ$IBOOFMTʣ

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ Ҏ্͕సஔ৞ΈࠐΈͷܭࢉϑϩʔͰ͢ɻଓ͍ͯɺ#BUDI/PSNBMJ[BUJPOɻ సஔ৞ΈࠐΈ #BUDI
 /PSNBMJ[BUJPO 3F-6 ৞ΈࠐΈ ਖ਼نԽ ׆ੑԽؔ਺ /º/ QJYFMT /º/ QJYFMT ೖྗσʔλ ग़ྗσʔλ / / / / $ $ $//ϨΠϠͷ಺෦ߏ଄ɿᶄ #BUDI/PSNBMJ[BUJPO

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ #BUDI/PSNBMJ[BUJPO͸ɺ׆ੑԽؔ਺ͷલʹߦ͏ਖ਼نԽͷख๏Ͱ͢ɻ ɾֶशͷࡍͷϛχόονΛ୯Ґͱͯ͠ɺ ɹϛχόον͝ͱʹਖ਼نԽΛߦ͏ख๏ɻ ɾ͜ͷਖ਼نԽʹΑͬͯɺ࣍ͷΑ͏ͳޮՌ͕ظ଴Ͱ͖Δɻ ޯ഑ফࣦΛ๷͙ʢଛࣦؔ਺ʹγάϞΠυؔ਺ͳͲΛ࢖͏৔߹ʣ ֶशΛ଎͘ਐߦͰ͖Δʢֶश܎਺Λେ͖͘͢Δ͜ͱ͕Ͱ͖Δʣ աֶशΛ཈੍Ͱ͖Δʢ%SPQPVUͳͲͷඞཁੑΛݮΒ͢ʣ $//ϨΠϠͷ಺෦ߏ଄ɿᶄ #BUDI/PSNBMJ[BUJPO

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ۩ମతʹ͸ɺσʔλ෼෍͕ฏۉ̌ɺ෼ࢄ̍ʹͳΔΑ͏ʹਖ਼نԽ͠·͢ɻ arXiv:1502.03167 $//ϨΠϠͷ಺෦ߏ଄ɿᶄ #BUDI/PSNBMJ[BUJPO

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ σʔλΛਖ਼نԽͨ͠Βɺ࠷ޙʹ׆ੑԽؔ਺Ͱ͋Δ3F-6Λ͔͚·͢ɻ సஔ৞ΈࠐΈ #BUDI
 /PSNBMJ[BUJPO 3F-6 ৞ΈࠐΈ ਖ਼نԽ ׆ੑԽؔ਺ /º/ QJYFMT /º/ QJYFMT ೖྗσʔλ ग़ྗσʔλ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ ˑ / / $ / / $ $//ϨΠϠͷ಺෦ߏ଄ɿᶅ 3F-6

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Generatorʢੜ੒ثʣͷΞϧΰϦζϜ ׆ੑԽؔ਺͸৭ʑ͋Γ·͕͢ɺதͰ΋3F-6͸ޯ഑ফࣦʹڧ͍ͷ͕ಛ௃Ͱ͢ɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶅ 3F-6 ɾ࣍ͷ૚ʹ౉͢σʔλͷ஋Λௐ੔͢Δ׆ੑԽؔ਺ͷ̍ͭɻ *OUSPEVDUJPOUP%J⒎FSFOU"DUJWBUJPO'VODUJPOTGPS%FFQ-FBSOJOH ɾಛ௃͸࣍ͷ௨Γɻ ޯ഑ফࣦʹڧ͍ ࠷΋Α͘࢖ΘΕ͍ͯΔ γϯϓϧ

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DCGANͬͯͳʹʁʢ࠶ʑܝʣ ଓ͍ͯɺ%JTDSJNJOBUPSΛઆ໌͠·͢ɻ ਖ਼ղϥϕϧ (FOFSBUPS ʢը૾ੜ੒ثʣ %JTDSJNJOBUPS ʢը૾෼ྨثʣ ੜ੒ը૾ ʢʹʣ ڭࢣը૾ ʢʹʣ ੜ੒ը૾ ڭࢣը૾ /PJTF ը૾Λ෼ྨ͢Δ$//Ͱ ը૾Λੜ੒͢Δ$//Λ஁͑͋͛Δख๏ɻ

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Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ %JTDSJNJOBUPS͸ɺೖྗը૾͕ੜ੒͞Εͨ΋ͷ͔ͦ͏Ͱͳ͍Λ൑ผ͠·͢ɻ %JTDSJNJOBUPSͰ͸ԿΛ͢Δͷʁ ºͷը૾Λ༩͑ͯɺ ̐૚ͷ$//Ͱੜ੒ʗڭࢣը૾Λ෼ྨ͢Δɻ arXiv:1511.06434

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Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ ͜ͷ൑ผͷϑϩʔͰॏཁͳͷ͸ɺ͜ͷ෦෼ͰߦΘΕΔ$//ϨΠϠͰ͢ɻ %JTDSJNJOBUPSͰ͸ԿΛ͢Δͷʁ ºͷը૾Λ༩͑ͯɺ ̐૚ͷ$//Ͱੜ੒ʗڭࢣը૾Λ෼ྨ͢Δɻ arXiv:1511.06434

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%JTDSJNJOBUPSͷ$//ϨΠϠͰ͸ɺೖग़ྗؒͰ̎ͭͷॲཧ͕૸Γ·͢ɻ %JTDSJNJOBUPSʹ͓͚Δ$//ϨΠϠͷ಺෦ߏ଄ ৞ΈࠐΈ -FBLZ 3F-6 ৞ΈࠐΈ ׆ੑԽؔ਺ ೖྗσʔλ ग़ྗσʔλ /º/ QJYFMT /º/ QJYFMT ࣍ͷϑϩʔͷ$//Λ܁Γฦͯ͠ɺ ࠷ޙʹը૾Λ̎஋෼ྨʢੜ੒PSڭࢣʣ͢Δɻ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ

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·ͣ͸ɺ৞ΈࠐΈɻ ৞ΈࠐΈ -FBLZ 3F-6 ৞ΈࠐΈ ׆ੑԽؔ਺ ೖྗσʔλ ग़ྗσʔλ /º/ QJYFMT /º/ QJYFMT ࣍ͷϑϩʔͷ$//Λ܁Γฦͯ͠ɺ ࠷ޙʹը૾Λ̎஋෼ྨʢੜ੒PSڭࢣʣ͢Δɻ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ ৞ΈࠐΈ

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৞ΈࠐΈ͸ɺసஔ৞ΈࠐΈͱ͸ٯʹɺ৘ใΛڽॖͤ͞ΔΠϝʔδɻ ग़ྗը૾ʢ্෦ʣΛɺ ೖྗը૾ʢԼ෦ʣ͔Β ΛಘΔΠϝʔδʢΒ͍͠ʣɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ ৞ΈࠐΈ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ dumoulin/conv_arithmetic ը૾Ҿ༻

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खॱͱͯ͠͸ɺ͜Μͳײ͡ɻ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ ৞ΈࠐΈ Χʔωϧ ೖྗσʔλ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ

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੾Γग़ͨ͠ೖྗσʔλͱΧʔωϧΛରԠ͢Δηϧ͝ͱʹֻ͚߹Θͤ·͢ɻ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ ৞ΈࠐΈ Χʔωϧ ೖྗσʔλ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ

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ͦΕΛ4USJEFT͝ͱʹζϥ͠ͳ͕Βଓ͚ΔΠϝʔδɻ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ ৞ΈࠐΈ Χʔωϧ ೖྗσʔλ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ ʢʹ4USJEFTʣ

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͜ΕΛ࠷ޙ·Ͱ܁Γฦͯ͠ʜ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ ৞ΈࠐΈ Χʔωϧ ೖྗσʔλ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ

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ग़ྗσʔλΛಘ·͢ɻʢDIBOOFM਺ͷࡲΓ߹Θͤ͸লུ͠·͢ʣ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ $//ϨΠϠͷ಺෦ߏ଄ɿᶃ ৞ΈࠐΈ Χʔωϧ ೖྗσʔλ ग़ྗσʔλ ,FSOFMTJ[F 1BEEJOH 4USJEFT %$("/1BSBNT ʢʹ1BEEJOHʣ ʢʹ4USJEFTʣ

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ଓ͍ͯɺಘΒΕͨ഑ྻʹ׆ੑԽؔ਺Λ͔͚·͢ɻʢϓʔϦϯά͸͠·ͤΜʣ ৞ΈࠐΈ -FBLZ 3F-6 ৞ΈࠐΈ ׆ੑԽؔ਺ ೖྗσʔλ ग़ྗσʔλ /º/ QJYFMT /º/ QJYFMT ࣍ͷϑϩʔͷ$//Λ܁Γฦͯ͠ɺ ࠷ޙʹը૾Λ̎஋෼ྨʢੜ੒PSڭࢣʣ͢Δɻ Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ $//ϨΠϠͷ಺෦ߏ଄ɿᶄ -FBLZ3F-6

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-FBLZ3F-6ͷಛ௃͸3F-6ͱࣅ͍ͯ·͕͢ɺઆ໌ͷ౎߹্ɺৄࡉ͸ޙͰɻ $//ϨΠϠͷ಺෦ߏ଄ɿᶄ -FBLZ3F-6 Discriminatorʢ෼ྨثʣͷΞϧΰϦζϜ ɾ࣍ͷ૚ʹ౉͢σʔλͷ஋Λௐ੔͢Δ׆ੑԽؔ਺ͷ̍ͭɻ *OUSPEVDUJPOUP%J⒎FSFOU"DUJWBUJPO'VODUJPOTGPS%FFQ-FBSOJOH ɾಛ௃͸ޙ΄Ͳઆ໌ɻ

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%$("/ͷϞσϧΛ஁͑Δ ̏

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DCGANͷϞσϧΛ஁͑Δํ๏ Ϟσϧߏ଄ͷ࣍͸ɺϞσϧΛ஁͑Δͷʹඞཁͳଛࣦؔ਺ͷ࿩Λ͠·͢ɻ ଛࣦؔ਺ͰϞσϧΛ஁͑Δ ɾҰൠʹ//ϞσϧΛ஁͑ΔͨΊʹ͸ɺ ɹଛࣦؔ਺Λ༻͍ͯॏΈύϥϝʔλͷޯ഑Λܭࢉ͠ɺ ɹͦͷޯ഑͕খ͘͞ͳΔΑ͏ʹॏΈύϥϝʔλΛߋ৽͍ͯ͘͠ɻ ɾ("/ͷଛࣦؔ਺͸ɺ

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DCGANͷϞσϧΛ஁͑Δํ๏ ("/ͷଛࣦؔ਺͸্ࣜɻ͜Ε͸̎ͭͷଛࣦؔ਺͕͍ࠞͬͯ͟ΔͷͰ෼͚·͢ɻ ଛࣦؔ਺ͰϞσϧΛ஁͑Δ ɾҰൠʹ//ϞσϧΛ஁͑ΔͨΊʹ͸ɺ ɹଛࣦؔ਺Λ༻͍ͯॏΈύϥϝʔλͷޯ഑Λܭࢉ͠ɺ ɹͦͷޯ഑͕খ͘͞ͳΔΑ͏ʹॏΈύϥϝʔλΛߋ৽͍ͯ͘͠ɻ ɾ("/ͷଛࣦؔ਺͸ɺ ˢ(FOFSBUPSͱ%JTDSJNJOBUPSͷଛࣦؔ਺ΛҰͭͷࣜͰද͍ͯ͠Δ

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DCGANͷଛࣦؔ਺ ·ͣ%JTDSJNJOBUPSͷଛࣦؔ਺ɻ৚݅Λ؆୯ʹͯ͠ɺग़ྗ͸͜Μͳײ͡ɻ %JTDSJNJOBUPSͷଛࣦؔ਺ʢ̍ʗ̎ʣ ɾ%JTDSJNJOBUPSͷग़ྗ% Y Z͸ɺ ɹศٓతʹγάϞΠυؔ਺Λֻ͚ͯɺʙʹม׵͞ΕΔ΋ͷͱ͢Δɻ ɾϥϕϧMͰ͸ɺ(FOFSBUPSʹΑΔੜ੒ը૾͕ɺڭࢣը૾͕ɻ ɾ͜ͷͱ͖ɺ%JTDSJNJOBUPSͷग़ྗ͸ɺ

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%JTDSJNJOBUPSͷଛࣦؔ਺ʢ̎ʗ̎ʣ ɾϥϕϧͱΛผʑʹѻ͏ͨΊʹɺಉ࣌֬཰ͷର਺ΛͱΔɻ ɾ%JTDSJNJOBUPSͷग़ྗ͸ϛχόονͷσʔλ਺.ݸ෼͋Γɺ ɹͦͷಉ࣌֬཰͸ɺ ϛχόονΛ͔͚ͨ࣌ɺϥϕϧ ͷಉ࣌֬཰͕͜Εɻͦͯ͠MPHΛ෇༩ɻ DCGANͷଛࣦؔ਺

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%JTDSJNJOBUPSͷଛࣦؔ਺ʢ̎ʗ̎ʣ ɾϥϕϧͱΛผʑʹѻ͏ͨΊʹɺಉ࣌֬཰ͷର਺ΛͱΔɻ ɾ%JTDSJNJOBUPSͷग़ྗ͸ϛχόονͷσʔλ਺.ݸ෼͋Γɺ ɹͦͷಉ࣌֬཰͸ɺ ͜Ε͕%JTDSJNJOBUPSͷଛࣦؔ਺ ͜ͷଛࣦؔ਺͕࠷େͰ͖Δ͚ͩϥϕϧΛਖ਼͘͠༧ଌ͢ΔΑ͏ֶशͤ͞Δɻ DCGANͷଛࣦؔ਺

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(FOFSBUPSͷଛࣦؔ਺͸ɺ%JTDSJNJOBUPSͷଛࣦؔ਺ʹఢରͤ͞·͢ɻ ɾ(FOFSBUPS͸%JTDSJNJOBUPSΛὃͨ͢Ίɺ ɹ%JTDSJNJOBUPSͷଛࣦؔ਺ͷग़ྗΛ࠷খʹ͍ͨ͠ɻ ɾ(FOFSBUPS͕ੜ੒͢Δग़ྗɹɹ͸ϥϕϧͳͷͰɺ ɹʢɹɹɹɹɹɺ(FOFSBUPS΁ͷೖྗը૾Λɹͱͯ͠ʣ (FOFSBUPSͷଛࣦؔ਺ DCGANͷଛࣦؔ਺ ͜Ε͕(FOFSBUPSͷଛࣦؔ਺

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͜ΕͰ(FOFSBUPSͱ%JTDSJNJOBUPSͷଛࣦؔ਺͕ͦΕͧΕἧ͍·ͨ͠ɻ (FOFSBUPS%JTDSJNJOBUPSͷଛࣦؔ਺ ɾ(FOFSBUPSͰ͸͜ͷଛࣦؔ਺Λ࠷খʹ͢Δ ɾ%JTDSJNJOBUPSͰ͸͜ͷଛࣦؔ਺Λ࠷େʹ͢Δ DCGANͷଛࣦؔ਺

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஗Ε͹ͤͳ͕Βɺ-FBLZ3F-6ͷઆ໌Ͱ͢ɻ্૚ʹߋ৽Λ఻͑Δͷ͕ཧ༝ɻ %JTDSJNJOBUPS Ͱ -FBLZ3F-6 Λ࢖͏ཧ༝ ɾ%JTDSJNJOBUPSͷଛࣦؔ਺ʹ͸(FOFSBUPSͷ൑ఆ݁Ռؚ͕·ΕΔɻ /PJTF (FOFSBUPS ੜ੒σʔλ %JTDSJNJOBUPS ٯ఻೻ͰॏΈΛߋ৽ ɾ3F-6ͩͱɺٯ఻೻ͰͷॏΈߋ৽ͰɺҎԼͷޡ্͕ࠩ૚ʹ఻ΘΒͳ͍ɻ DCGANͷଛࣦؔ਺ ʢͳͷͰ -FBLZ3F-6Λ࢖͏ʣ

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ͦͯ͠ɺ͜ΕΒΛ࣮૷͢Δͷʹ࠷దͳૉ੖Β͍͠ϦϑΝϨϯε͕ͪ͜Βɻ ࣮૷ํ๏͸ͪ͜ΒΛࢀর͍ͯͩ͘͠͞ DCGANΛ࣮૷͢Δ 1Z5PSDIͰ࣮૷͢Δ 5FOTPSqPXͰ࣮૷͢Δ

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·ͱΊ

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·ͱΊ ࠷ޙʹɺࠓճͷϓϨθϯͷ·ͱΊͰ͢ɻ ɾ("/ʗ%$("/ͷ֓ཁʢʴجૅʣΛઆ໌ͨ͠ ɾ%$("/ͷϞσϧߏ଄ΛॱΛ௥ͬͯղઆͨ͠ ɾ%$("/ͷϞσϧΛ஁͑Δଛࣦؔ਺Λղઆͨ͠

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Ҏ্ɺ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ SFGFSFODF ɾࡈ౻߁ؽ.ɿθϩ͔Β࡞Δ Deep Learning―Python ͰֶͿσΟʔϓϥʔχϯά ɹͷཧ࿦ͱ࣮૷, ΦϥΠϦʔɾδϟύϯʢ2016ʣ ɾখ઒༤ଠ࿠ɿͭ͘Γͳ͕ΒֶͿ! PyTorchʹΑΔൃలσΟʔϓϥʔχϯά, ɹϚΠφϏग़൛ʢ2019ʣ ɾGoodfellow, Ian, et al.ɿGenerative adversarial nets., Advances in neural ɹinformation processing systems.ʢ2014ʣ ɾRadford, Alec, Luke Metz, Soumith Chintala.ɿUnsupervised representation ɹlearning with deep convolutional generative adversarial networks., arXiv preprint, arXiv:1511.06434.ʢ2015ʣ Thank you!

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Ҏ্ɺ͝੩ௌ͋Γ͕ͱ͏͍͟͝·ͨ͠ɻ SFGFSFODF Thank you! ɾCS231n Winter 2016: Lecture 13: Segmentation, soft attention, ɹspatial transformers ɹhttps://youtu.be/ByjaPdWXKJ4 ɾPyTorch documentation ɹhttps://pytorch.org/docs/ ɾͦͷଞɺεϥΠυ಺ʹهࡌ