Upgrade to Pro — share decks privately, control downloads, hide ads and more …

Scene Text Detection and Recognition: The Deep ...

Avatar for Yustoris Yustoris
March 29, 2019

Scene Text Detection and Recognition: The Deep Learning Era

Avatar for Yustoris

Yustoris

March 29, 2019
Tweet

More Decks by Yustoris

Other Decks in Research

Transcript

  1. Scene Text Detection and Recognition:
 The Deep Learning Era 4IBOHCBOH-POH

    9JO)F $POH:BP !ZVTUPSJTPOBS9JW5JNFT 
  2. w ଟ༷ੑ
 ݴޠɾܗ ࣈମɾࣈܗɾॻܗ ɾํ޲ɾ৭ɾॎԣൺ͕ଟ༷ w എܠͷଘࡏ
 എܠͷܗঢ়͕จࣈͱۃ୺ʹࣅ͍ͯΔ৔߹ɺѱӨڹ͕େ͖͍ w ը࣭ͷӨڹ


    ը࣭͕ѱ͍ͱจࣈ෦෼ͷ௵Ε΍ᕷΈ͕େ͖͘ͳΓɺѱӨڹ͕େ͖͍ ৘ܠจࣈೝࣝͷ೉͠͞ <>IUUQTXXXNPSJTBXBDPKQDVMUVSFEJDUJPOBSZΑΓൈਮ <>
  3. ख๏ͷτϨϯυ w 4UFQT
 ݕग़ %FUFDUJPO  ೝࣝ 3FDPHOJUJPO ͷஈ֊ w

    %FUFDUJPOʜจࣈྖҬͷநग़ w 3FDPHOJUJPOʜநग़ͨ͠จࣈྖҬʹؚ·ΕΔ಺༰ͷ຋ࣈ 5SBOTDSJQUJPO  w &OEUPFOE
 %FUFDUJPOͱ3FDPHOJUJPOΛҰؾ௨؏Ͱߦ͏ ࿦จ'JH
  4. ྖҬݕग़ͷجຊํ਑ w "ODIPSCBTFE w ೖྗը૾Λݻఆͷ(SJEʹ෼ׂ͠ɺ֤(SJEதͷ఺Λத৺ͱ͢Δ## "ODIPS Λෳ਺ਪఆ
 ##ީิ͸ݻఆΞεϖΫτΛ࠾༻  w

    :0-0<3FENPO > ΍44%<-JV > ͳͲ͕ϕʔεϞσϧ w 3FHJPOQSPQPTBM w ೖྗը૾ʹରͯ͠ɺಛ௃ྔͳͲ͔ΒจࣈྖҬީิ 3FHJPOQSPQPTBM Λਪఆ͠ɺ
 ͦΕͧΕͷީิʹରͯ͠จࣈྖҬ͔Ͳ͏͔Λ൑ఆ w 3$//<(JSTIJDL > ͳͲ͕ϕʔεϞσϧ χϡʔϥϧωοτϫʔΫͰྖҬݕग़ˠޙॲཧ
  5. "ODIPSCBTFE (SJE #PVOEJOH#PY ## 
 ͜͜Ͱ͸ͭ ޙஈʹߦ͘΄Ͳ(SJE෼ׂ਺͕ݮΓɺ
 "ODIPS͕େ͖͘ͳΔ ##ݕग़ཻ౓Λௐ੔ QPPMJOHͰ##৘ใΛಘΔ

    ଛࣦ͸ɺਪఆ##ͱਖ਼ղ##ͱͷҐஔޡࠩͱΫϥε֬৴౓ͷࠩ෼ ྫ5FYU#PYFT<-JP >
  44%ϕʔε :0-0࿦จͷը૾͔Β
 ൈਮɾҰ෦Ճ޻
  6. "UUFOUJPO w ػց຋༁ʹ͓͚Δ"UUFOUJPO<#BIEBOBV  -VPOH > Λԉ༻ w ೖྗը૾ʹରͯ͠લஈͰ৞ΈࠐΈͳͲʹΑΓ
 %FDPEFS΁ͷೖྗͱͳΔಛ௃ϕΫτϧΛநग़͓ͯ͘͠


    <"SCJUSBSJMZPSJFOUFEUFYUSFDPHOJUJPO  $IFOH > w %FDPEFS΁ͷิॿೖྗͱͯ͠ɺจࣈ୯Ґͷ##Λ
 ༩͑ΔͳͲͷ޻෉͕औΒΕΔ৔߹΋͋Δ
 <'PDVTJOHBUUFOUJPO5PXBSETBDDVSBUFUFYUSFDPHOJUJPOJOOBUVSBMJNBHFT  $IFOH > ೖྗͷಛ௃ϕΫτϧ ࿦จ'JH
  7. "VYJMJBSZ5FDIOPMPHJFT w ਓ޻σʔλͷੜ੒ 4ZOUIFUJD%BUB  w ΄ͱΜͲͷਓखͰΞϊςʔγϣϯ͞Εͨσʔλͷن໛͸਺ઍఔ౓ w എܠը૾ʹରͯ͠ɺΑΓࣗવʹจࣈྖҬΛॏͶΔ͜ͱΛ໨ඪͱ͢Δ w

    ϒʔτετϥοϐϯά #PPUTUSBQQJOH  w ൒ڭࢣ͋ΓֶशʹΑΔΞϊςʔγϣϯίετͷܰݮ w গྔͷΞϊςʔγϣϯʹΑΓֶशͨ͠ϞσϧͰྖҬநग़
 ˠείΞͰ଍੾Γˠநग़ͨ͠ྖҬΛڭࢣͱͯ͠࠶౓ֶशˠʜɹͷ܁Γฦ͠
  8. 4UBUVT2VPBOE'VUVSF5SFOET w σʔληοτ΍Ϟσϧͷଟ༷ੑʹର͢Δؤ݈ੑ w ۂ͕ͬͨ DVSWFE จࣈͳͲɺಛघͳέʔεΛؚΉσʔληοτ͸গͳ͍ w Ϟσϧ΋σʔληοτͷΈʹ࠷దԽͨ͠ධՁ͕ଟ͍ w

    ଟݴޠରԠ
 Ϟσϧ΋σʔληοτ΋ෳ਺ݴޠΛಉ࣌ʹѻ͏͜ͱΛ૝ఆ͍ͯ͠ͳ͍ w ߴ଎Խ
 ਓ͕ؒͻͱ໨ݟͯจࣈΛೝࣝͰ͖Δͷʹରͯ͠ɺ·ͩ·ͩ஗͍
 '14తʹ͸ఔ౓্͕ݶ