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文献紹介:Low-resource OCR error detection and corre...
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Atsushi
October 31, 2018
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文献紹介:Low-resource OCR error detection and correction in French Clinical Texts
2018/10/31 文献紹介
長岡技術科学大学
自然言語処理研究室
Atsushi
October 31, 2018
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Transcript
-PXSFTPVSDF0$3FSSPSEFUFDUJPOBOE DPSSFDUJPOJO'SFODI$MJOJDBM5FYUT Ԭٕज़Պֶେֶࣗવݴޠॲཧݚڀࣨ ੁ३ࢤ จݙհ ݄ &WB%`IPOEU $ZSJM(SPVJO #SJHJUUF(SBV 1SPDFFEJOHTPGUIF4FWFOUI*OUFSOBUJPOBM8PSLTIPQPO)FBMUI5FYU
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w ҩྍॻྨͷ͏ͪݹ͍ױऀͷΧϧςͷଟ͘ࢴͰอ w ҩྍݚڀͷͨΊͷوॏͳใݯ w 0$3ʹΑͬͯར༻͍͢͠σΟδλϧܗࣜʹม͍ͨ͠ w طଘͷ0$3ޡΓగਖ਼ϞσϧΛ༻Ͱ͖ͳ͍ *OUSPEVDUJPO !3
w طଘͷ0$3ޡΓగਖ਼ϞσϧΛ༻ͨ͠߹ͷ w େྔʹίʔύεΛ༻ҙͰ͖ͳ͍ w ίʔύεதͷױऀΛಛఆͰ͖Δใ͕আ͞Ε͍ͯΔ w ࢴͷྼԽҹٕ๏ɺςΩετߏʹ͕ࠩ͋Δ *OUSPEVDUJPO !4
*OUSPEVDUJPO w طଘͷ0$3ޡΓͷగਖ਼ɿ େྔͷ܇࿅σʔλΛඞཁͱ͢ΔͨΊ༻Ͱ͖ͳ͍ w υϝΠϯಛ༗ͷදతͳςΩετίʔύεͷΈΛ ඞཁͱ͢ΔγεςϜΛఏҊ !5
!6
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จࣈ·ͨจࣈͷআɺૠೖɺஔ w *OTFSUJPOPGDIBSBDUFSDPOGVTJPOT DPOGVTJPO1BJS w ޡΓ͍͢จࣈྻͷରΛ༻͍Δ !7
*OTFSUJPOPGDIBSBDUFSDPOGVTJPOT !8
w ϑϥϯεͷױऀΧϧςͷσʔληοτ w ױऀɿ ਓ w ॻྨɿ ຕ w ࢢൢͷ0$3ΤϯδϯͰσΟδλϧԽ
w ױऀΛࣝผͰ͖ΔใΛλάʹஔ͖͑Δ ྫʣl.BZTU zˠl%"5&z $PSQVT !9
w ίʔύεͷจॻͷ࣭Λ007ͷׂ߹ʹΑͬͯධՁ w 007ɿ6OJpFE.FEJDBM-FYJDPOGPS'SFODI ;XFJHFOCBVNFUBM ʹؚ·Εͳ͍ޠͱͨ͠ $PSQVT !10
5SBJOJOHTFU&WBMVBUJPOTFU w 5SBJOJOHTFU w l&YDFMMFOUzͷจॻ w &WBMVBUJPOTFU w l&YDFMMFOUzͱz(PPEzϥϯΫͷॻྨ͔Β ϥϯμϜʹநग़ͨ͠ͷจॻΛख࡞ۀͰగਖ਼ͨ͠ͷ
!11
$PSQVT !12
&YQFSJNFOUT w #BTFMJOF ςΩετΛτʔΫϯԽ͢Δ আɺૠೖɺஔʹΑΔ࠷ฤूڑٴͼ ޙํͷ୯ޠͱͷ݁߹ʹΑͬͯਖ਼͍͠୯ޠΛٻΊΔ ฤूૢ࡞ʹΑͬͯϥϯΫ͚Λߦ͍
࠷ߴ͍ϥϯΫͷͷΛղͱ͢Δ !13
3FTVMU !14 ख๏ "DDVSBDZ ϕʔεϥΠϯ SBOEPN/PJTF DPOGVTJPO1BJS
3FTVMU !15 w ૠೖޡΓͷగਖ਼͕ࠔ w ޡΓͷେ෦͕୯ޠʹϥϯμϜʹૠೖ͞Εۭͨന w จॻͰۭന͕ଟΘΕ͍ͯΔͨΊਖ਼͘͠ݕग़Ͱ͖ͳ͍
$PODMVTJPO w ϑϥϯεޠͰॻ͔ΕͨױऀͷΧϧςʹ͓͚Δ 0$3ޡΓͷݕग़ͱగਖ਼ํ๏ʹ͍ͭͯఏҊͨ͠ w ֶश࣌ʹϊΠζΛՃ͢Δ͜ͱͰ ೖྗจࣈྻͷϊΠζΛݕग़͠ɺగਖ਼Ͱ͖ΔΑ͏ʹͨ͠ w ૠೖޡΓͷݕʹ͓͍ͯྑͳ݁ՌͰͳ͔ͬͨ w
ࠓޙɺจࣈϨϕϧͷग़ྗͱ୯ޠϨϕϧͷใΛ Έ߹Θͤͯɺશମͷਫ਼Λ্͍ͤͨ͞ !16