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新幹線の話(2)

yutakau
September 02, 2017

 新幹線の話(2)

新幹線の動画の音声レベルから、新幹線が来ているかどうかを判定した試みについてLTした資料です

yutakau

September 02, 2017
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  1. ৽װઢͷࣸਅͷ࿩ ʢ̎ʣ

  2. ࣗݾ঺հ :VUBLB6TVJ ΤϯδχΞ ڵຯͷ͋Δ෼໺ɿɹిࢠ޻࡞ɺ'1("ɺ ɹɹɹɹɹɹɹɹɹ̏%ϓϦϯςΟϯά

  3. ࣗ୐ͷϕϥϯμ͔Βͷ෩ܠ

  4. ৽װઢ͕Α͘ݟ͑Δ

  5. ͱ͜Ζ͕ ͜͏͍͏ϨΞͳ΍͕ͭ૸͍ͬͯΔͷΛݟͨ͜ͱ͕ͳ͍

  6. લճͷ·ͱΊ ػցֶशͰ ৽װઢؚ͕·ΕΔը૾Λબผ ͋Δఔ౓͸Ͱ͖͕ͨɺඍົͳ݁Ռɻ ʢ͖ͪΜͱධՁ͸Ͱ͖ͣʣ

  7. લճͷ·ͱΊ ػցֶशͰ ৽װઢؚ͕·ΕΔը૾Λબผ ͋Δఔ౓͸Ͱ͖͕ͨɺඍົͳ݁Ռɻ ʢ͖ͪΜͱධՁ͸Ͱ͖ͣʣ

  8. લճ௖͍ͨΞυόΠε ී௨ʹԻ੠Λ࢖ͬͯ৽װઢͷ͋Γͳ͠൑ఆͨ͠ ํ͕ྑ͍ͷͰ͸ͳ͍͔ʁ Ի੠Ͱ΍ͬͯΈͨ

  9. खॱ ಈըσʔλ ̍,)[ͰϦαϯϓϦϯά Ի੠੾Γग़͠

  10. Ի੠σʔλ ·ͣ͸ɺ୯७ʹ͖͍͠஋Ҏ্͔Ͱ൑ఆͯ͠ΈΔ ͋ΔϨϕϧҎ্ͷԻͳΒ৽װઢ͋Γɺͱ͢Δ

  11. ఆྔతͳ෼ੳ ൑ఆϓϩάϥϜ࡞੒ ਖ਼ղσʔλΛ࡞੒ ෼ͷಈըΛɺ̍ඵ͝ͱʹ੾Γग़͠ɻ ৽װઢͷ༗ແΛख࡞ۀͰϥϕϦϯά ˠݸͷϥϕϧσʔλ XBWσʔλΛ̍ඵ͝ͱʹ੾Γग़͠ɺ ͖͍͠஋ͱൺֱͯ͠൑ఆॲཧ

  12. $POGVTJPO.BUSJY ෼ྨ݁ՌΛ·ͱΊͨද ൑ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive

    False Negative Negative False Positive True Negative ൑ఆΫϥεɿ൑ఆͷ݁Ռ ࣮ࡍͷΫϥεɿ࣮ࡍͷσʔλ
  13. $POGVTJPO.BUSJY ৽װઢʹ౰ͯ͸ΊΔͱ ൑ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive

    False Negative Negative False Positive True Negative ৽װઢདྷ͍ͯΔ ৽װઢདྷ͍ͯͳ͍ ৽װઢདྷ͍ͯΔ ͱ൑ఆ ৽װઢདྷ͍ͯͳ͍ ͱ൑ఆ 513ʹ51ʗʢ51ʴ'/ʣ '13ʹ'1ʗʢ'1ʴ5/ʣ
  14. $POGVTJPO.BUSJY ৽װઢσʔλʹ౰ͯ͸ΊΔͱ ൑ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive

    False Negative Negative False Positive True Negative ৽װઢདྷ͍ͯΔ ৽װઢདྷ͍ͯͳ͍ ৽װઢདྷ͍ͯΔ ͱ൑ఆ ৽װઢདྷ͍ͯͳ͍ ͱ൑ఆ ޡ൑ఆ औΓ͜΅͠
  15. $POGVTJPO.BUSJY ৽װઢσʔλʹ౰ͯ͸ΊΔͱ ൑ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive

    False Negative Negative False Positive True Negative ৽װઢདྷ͍ͯΔ ৽װઢདྷ͍ͯͳ͍ ৽װઢདྷ͍ͯΔ ͱ൑ఆ ৽װઢདྷ͍ͯͳ͍ ͱ൑ఆ 513ɿ࣮ࡍʹ৽װઢདྷ͍ͯΔ࣌ʹདྷ͍ͯΔͱ൑ఆͨ͠཰ '13৽װઢདྷ͍ͯͳ͍࣌ʹɺདྷ͍ͯΔͱ൑ఆͨ͠཰
  16. ݁Ռ 513 '13

  17. ෼ੳͨ݁͠Ռ εϨογϣϧυΛͲ͏ܾΊΔ͔͸೉୊ ̍ɹ৽װઢҎ֎ͷ૽Իɹ ɹɹόΠΫɺࣗಈंͷԻɺαΠϨϯ౳ ̎ɹ৽װઢͷԻ΋େ͖͕͞ҧ͏ ɹɹ౦ژߦ͖ͱ৽େࡕߦ͖ͰԻ੠Ϩϕϧ͕ҧ͏ ɹɹεϐʔυ͕ҧ͏ʁ ̏ɹͦ΋ͦ΋ ৽װઢ͘Δ͔ͳΓલ͔ΒԻ੠͸ೖͬͯ͘Δ