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

画像解析(MNIST)

6430d895dfc4181b1a8200e596749cef?s=47 suirindo
September 28, 2019

 画像解析(MNIST)

第9回もくもく会資料

6430d895dfc4181b1a8200e596749cef?s=128

suirindo

September 28, 2019
Tweet

Transcript

  1. Έ΍͜ ΋͘΋͘ձ ./*45 ϓϨθϯλʔɹTomohiro Iida

  2. ΞδΣϯμ  ࣗݾ঺հˍຊ೔ͷΰʔϧઆ໌ʢ෼ʣ  ࢀՃऀͦΕͧΕͷࣗݾ঺հʢ෼ʣ  ./*45ϋϯζΦϯʢ෼ʣ

  3. ΞδΣϯμ  ࣗݾ঺հˍຊ೔ͷΰʔϧઆ໌ʢ෼ʣ  ࢀՃऀͦΕͧΕͷࣗݾ঺հʢ෼ʣ  ./*45ϋϯζΦϯʢ෼ʣ

  4. ܦྺ

  5. ຊ೔ͷΰʔϧ ࣗ෼ͷखॻ͖਺ࣈΛ ൑ผ͢ΔϞσϧΛ࡞Δ

  6. ࢯ໊ʢϋϯυϧωʔϜՄʣ झຯ ʮ͜ΜͳJQIPOF͸ݏͩʂʯΛڭ͍͑ͯͩ͘͞ ࢀՃऀࣗݾ঺հ

  7.  ࣗݾ঺հˍຊ೔ͷΰʔϧઆ໌ʢ෼ʣ  ࢀՃऀͦΕͧΕͷࣗݾ঺հʢ෼ʣ  ./*45ϋϯζΦϯʢ෼ʣ

  8. ./*45ͱ͸ ./*45ͱ͸ɺը૾σʔληοτͷ͜ͱɻ
 ʢखॻ͖਺ࣈը૾ ຕͱɺςετը૾ ຕΛूΊͨ΋ͷʣ
 ҎԼ͕ϖΞʹͳ͍ͬͯΔɻ  खॻ͖ͷʙͷ਺ࣈ͕ॻ͔Εͨը૾σʔλͱɺ  ͦͷը૾ʹॻ͔Ε࣮ͨࡍͷ਺ࣈσʔλ

  9. ը૾ೝࣝͱ͸ IUUQTTVQFSTNBTICSPTGBOEPNDPNKBXJLJ&""&#&"' ը૾ೝࣝͱ͸ ը૾σʔλ͔Βɺਓؒʹͱͬͯҙຯͷ͋Δ৘ใΛ நग़͢ΔλεΫͷ͜ͱΛ͍͏ɻ ୯ͳΔ਺ࣈʹ͗͢ͳ͍

  10. ./*45ͱ͸ IUUQTXFCMBCPPTDBTJFSSBOFUQZUIPOLFSBTNOJTUTBNQMFIUNM σʔλͷ༷ࢠ

  11. ./*45ͱ͸ IUUQTXFCMBCPPTDBTJFSSBOFUQZUIPOLFSBTNOJTUTBNQMFIUNM ग़ྗ͸͜Μͳײ͡ ਺ࣈ ֬཰ 0 0.014 1 0.001 2

    0.013 3 0.719 4 0.034 5 0.016 6 0.023 7 0.065 8 0.086 9 0.029
  12. Ͱ͸ɺ΍ͬͯΈ·͠ΐ͏ ࣮૷

  13. 4FRVFOUJBMϞσϧ IUUQNBSVQFLFDPN*,%"%7@%-@/P@,FSBTIUNM %FOTF

  14. 3FMVؔ਺ ೖྗ͕ҎԼͳΒɺҎ্ͳΒͦͷ··ग़ྗ͢Δؔ਺ͷ͜ͱɻ ҎԼͷ਺ࣜͰදͤΔɻ I Y \Y Y  Y ^

    IUUQTUFDICMPHHNPBQKQ&"'&"#&"%"&#'&&"&#$&&"&#$&#&#&#&"&#%#'&'&$&#&'#"&$"$&"&""
  15. %SPQPVU σʔλ͕มʹͳͬͯ͠·͏͜ͱΛ๷͙ɻ IUUQTRJJUBDPNNJOFJUFNTECBCCFGD

  16. 3.4QSPQ lޯ഑߱Լ๏zΛ ࠷దԽ͢ΔΞϧΰϦζϜͷͻͱͭ దԠతֶश཰ͷํࣜͷ࣮ݱ

  17. ޯ഑߱Լ๏ ޯ഑߱Լ๏ͷߟ͑ํ˰্͔ΒϘʔϧΛམͱ͠Ұ൪௿͍ͱ͜Ζ΁୧Γண͘·Ͱ଴ͭ IUUQXXXQMBODWUJUFDIBDKQGVLVEBMBCCBDCEEBCDCBGDDGDQEG

  18. ޯ഑߱Լ๏ ࣌ࠁͰ ʹ͋ͬͨϘʔϧΛޯ഑ͷٯํ޲΁ಈ͔͢ࡍͷϧʔϧ (+1) = () + ∆() , ∆()

    = − (4.9)   lͱॱ࣍܁Γฦ͢͜ͱͰɼޡࠩؔ਺άϥϑͷఈ΁߱Γ͍ͯ͘ ˎ̍εςοϓͷҠಈڑ཭∆ ͸lֶश཰zͰܾఆ͞ΕΔ IUUQXXXQMBODWUJUFDIBDKQGVLVEBMBCCBDCEEBCDCBGDDGDQEG
  19. ޯ഑߱Լ๏ ֶश཰ͷऔΓํ͸τϥΠΞϯυΤϥʔʹجͮ͘ w ֶश཰͕େ͖͍
 ˰ࠁΈ͕ߥ͗ͯ͢ޡࠩؔ਺ͷܗঢ়Λଊ͑ΒΕͣɼऩଋ͠ͳ͍
 w ֶश཰͕খ͍͞
 ˰ֶश͕Ұ޲ʹਐߦ͠ͳ͍ IUUQXXXQMBODWUJUFDIBDKQGVLVEBMBCCBDCEEBCDCBGDDGDQEG

  20. $//ͱ͸ ը૾σʔλʹదͨ͠ܗͷ
 χϡʔϥϧωοτϫʔΫ ը૾Λͦͷ··ͷܗʹ̎࣍ݩͰ
 ѻ͏͜ͱ͕Ͱ͖Δ $POWPMVUJPOBM/FVSBM/FUXPSL

  21. $//ͷશମ૾ $//͸ɺ৞ΈࠐΈ΍ϓʔϦϯάʹΑͬͯಘΒΕͨಛ௃Ϛοϓͷ֤ϐΫηϧσʔλΛɺ
 χϡʔϥϧωοτϫʔΫͷೖྗ஋ͱͯ͠ར༻͢Δɻ IUUQTXXXBUNBSLJUDPKQBJUBSUJDMFTOFXTIUNM

  22. $// ৞ΈࠐΈ IUUQTULFOHPHJUIVCJPCMPHVOEFSTUBOEJOHDPOWPMVUJPOBMOFVSBMOFUXPSLTGPSOMQ       

      Χʔωϧ
 ʢϑΟϧλʔʣ
  23. $// ϓʔϦϯά IUUQTULFOHPHJUIVCJPCMPHVOEFSTUBOEJOHDPOWPMVUJPOBMOFVSBMOFUXPSLTGPSOMQ ը૾αΠζΛܾΊΒΕͨϧʔϧʹैͬͯখ͘͢͞Δ NBYϓʔϦϯά

  24. $// શ݁߹૚ ग़ྗͷܗΛ̍࣍ݩʹมܗ͢Δ ௨ৗͷχϡʔϥϧωοτϫʔΫͱಉ͡
 ʮӅΕ૚ʯʮग़ྗ૚ʯʹ઀ଓ͠ɺ

  25. ͓͠·͍ pO