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U-Netの学習 論文サーベイ
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Yosuke
July 25, 2019
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U-Netの学習 論文サーベイ
U-Netの論文まとめ
Yosuke
July 25, 2019
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Transcript
จհ 6/FU$POWPMVUJPOBM /FUXPSLGPS#JPNFEJDBM *NBHF4FHNFOUBUJPO :PTVLF)PTIJ
എܠͱඪ $//ͱͯڧྗ͚ͩͲେͳσʔληοτ͕ඞཁ ੜҩֶͷͰेͳτϨʔχϯάσʔλΛ༻ҙ͢Δͷ͍͠ গͳ͍τϨʔχϯάը૾ͰΑΓਖ਼֬ͳηάϝϯςʔγϣϯΛ͢Δ
ఏҊ ৽͍͠ωοτϫʔΫΞʔΩςΫνϟͷఏҊ ෆ͍ͯ͠ΔσʔληοτΛิ͏σʔλͷ֦ு
ઌߦݚڀ $JSFTBO ɾ%FFQ/FVSBM/FUXPSLT4FHNFOU/FVSPOBM.FNCSBOFT ɹJO&MFDUSPO.JDSPTDPQZ*NBHFT ஶऀ$JSFTBOΒ ˠैདྷ$//ग़ྗ͕ը૾͝ͱͷϥϕϧͷྨʹΘΕ͍͕ͯͨɺ ɹɹੜֶతը૾ॲཧʹ͓͚ΔҐஔਪఆͰ֤ϐΫηϧʹϥϕϧ͕ ɹɹׂΓৼΒΕ͍ͯͨɻ$JSFTBOΒϐΫηϧपΓͷہॴతͳྖҬΛ ɹɹೖྗͱ֤ͯ͠ϐΫηϧͷΫϥεϥϕϧΛਪఆ͢ΔϞσϧΛߏஙͨ͠ ैདྷͷը૾ຖͷҙຯ͚
ϐΫηϧຖͷҙຯ͚
ઌߦݚڀ $JSFTBO ܽ ωοτϫʔΫΛہॴྖҬ ύον ͝ͱʹ࣮ߦ͢Δඞཁ͕͋Δ ͔͠͠ύονʹॏෳ͕͋ΔͨΊແବ͕ଟ݁͘Ռతʹ͕͍ ύον͕େ͖͍ͱΑΓଟ͘ͷNBYQPPMJOH͕ඞཁʹͳΔ͕ ͜Ε Ґஔਪఆͷਫ਼ΛԼ͛Δ
ҰํͰɺখ͞ͳύονͰ΄ͱΜͲഎܠ͕ೝࣝͰ͖ͳ͘ͳΔɺ ͱ͍͏Α͏ʹҐஔਪఆͷਫ਼ͱഎܠͷೝ͕ࣝτϨʔυΦϑͷ ؔʹͳ͍ͬͯΔ
6/FUͷߏ ॖখܦ࿏ ֦େܦ࿏
6/FUͷߏ ॖখܦ࿏ ɾΈࠐΈ DPOWº QBEEJOH TUSJEF 3F-6 ɾμϯαϯϓϦϯά
NBYQPPMJOHº TUSJEF ֤εςοϓͰಛνϟϯωϧΛഒ
6/FUͷߏ ֦େܦ࿏ ΈࠐΈ ɾDPOWº ɾQBEEJOH ɾTUSJEF ɾ3F-6 ΞοϓαϯϓϦϯά
ɾEFDPOWº ɾ$PQZBOEDSPQ ɾ$PODBUFOBUFEQBUI ɾ1PJOUXJTFDPOWº ɾ֤εςοϓͰಛνϟϯωϧΛഒ
ֶशʹ͍ͭͯ ͚͍ܽͯΔೖྗը૾ϛϥʔϦϯάʹΑͬͯਪఆิ͢Δ 0WFSMBQUJMFTUSBUFHZ
ֶशʹ͍ͭͯ ΤωϧΪʔؔ ΫϩεΤϯτϩϐʔޡࠩؔͱιϑτϚοΫεؔΛΈ߹Θͤͨͷ ࠷ऴతͳಛϚοϓͷ্ͷϐΫηϧຖʹܭࢉ͞ΕΔ LΫϥεͷ BL Y νϟϯωϧLͷϐΫηϧYʹ͓͚Δ׆ੑԽؔ
ֶशʹ͍ͭͯ ॏΈ͚ ࡉ๔ؒͷڥքΛผ͢ΔͨΊʹϐΫηϧ୯ҐͰࡉ๔ؒͷڑʹΑͬͯ େ͖͘ͳΔॏΈ͚Λߦ͏ YQJYFM E࠷͍ۙࡉ๔ͱͷڑ Eೋ൪ʹ͍ۙࡉ๔ͱͷڑ М ͷΨε σ
= 2 N
ֶशʹ͍ͭͯ σʔλͷ֦ு ͑Δֶशσʔλ͕গͳ͍ͨΊωοτϫʔΫʹෆมੑͱϩόετΛ ༩͑ΔͨΊʹσʔλΛ֦ு͢Δඞཁ͕͋Δ σʔλͷ֦ுʹฏߦҠಈճసͷෆมੑΛར༻͢Δ͕ɺগͷ ϥϕϧ͖ը૾Ͱֶश͢ΔʹϥϯμϜͳੑมܗ͕ॏཁʹͳͬͯ͘Δ
ֶशʹ͍ͭͯ Bݩը૾ Cਖ਼ղͱॏͶͨͷ Dੜ͞Εͨηάϝϯςʔγϣϯ Eֶशͨ͠ڥք
݁Ռ Bl1I$6zݩը૾ Cԫ৭ˠڥքɹ੨৭ˠࡉ๔ Dl%*$)F-Bzݩը૾ Eԫ৭ˠڥքɹ৭͖ˠࡉ๔
·ͱΊ গͳ͍τϨʔχϯάσʔλ ˠσʔλͷ֦ுʹΑͬͯղܾ ΑΓਖ਼֬ͳηάϝϯςʔγϣϯ ˠ6/FUʹΑΓίϯςΩετใΛղ૾ͷߴ͍ʹ ɹ͢Δ͜ͱ͕Մೳʹͳͬͨ
ࢀߟจݙ <>%FFQ/FVSBM/FUXPSLT4FHNFOU/FVSPOBM.FNCSBOFT JO&MFDUSPO.JDSPTDPQZ*NBHFT IUUQQFPQMFJETJBDIdKVFSHFOOJQTQEG <>6/FU$POWPMVUJPOBM/FUXPSLGPS#JPNFEJDBM *NBHF4FHNFOUBUJPO IUUQTBSYJWPSHQEGQEG <>'VMMZ$POWPMVUJPOBM/FUXPSLTGPS4FNBOUJD4FHNFOUBUJPO IUUQTBSYJWPSHQEGQEG