Sanity Checks for Saliency Maps explained in Japanese language

This deck tries to explain the paper "Sanity Checks for Saliency Maps" (NeurIPS 2018) and was used in "NeurIPS 2018 読み会" at PFN office on 2019/01/26.

Transcript

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   w BEFCBZPKTBOJUZ@DIFDLT@TBMJFODZ
   ࠓճ঺հ͢Δ࿦จ͸ҎԼͷൃදͰ΋ݴٴɾ঺հ͞Ε͍ͯ·͢ɽ
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3. 5-
   %3 w <എܠ>
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   w આ໌͢ΔͨΊͷϞσϧΛߏங͢ΔNPEFMBHOPTUJDͳख๏
   w -*.&
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 $".
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5. എܠ w ෳࡶͳϞσϧͷ൑அࠜڌΛઆ໌͢Δݚڀ͕੝Μ
   w આ໌͢ΔͨΊͷϞσϧΛߏங͢ΔNPEFMBHOPTUJDͳख๏
   w -*.&
   .BSDP
   
   4)"1
   -VOECFSH
   
   "ODIPS
   .BSDP
   
   w ޯ഑Λར༻ͯ͠൑அࠜڌͷϐΫηϧΛಛఆ͢Δख๏
   4BMJFODZ
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   w (SBEJFOU
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 $".
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6. 4BMJFODZ
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   ಋೖ w ෳࡶͳϞσϧͷ൑அࠜڌΛઆ໌͢Δݚڀ͕੝Μ
   w $ΫϥεͷΫϥε෼ྨ໰୊Λղ͘ϞσϧΛʡ4ʡɼ
 Ϟσϧ4ͷ༧ଌΛઆ໌͢ΔϞσϧΛʡ&ʡͱ͢Δɽ !6 S: 予測モデル E: 説明手法
7. 4BMJFODZ
   .FUIPET
   ಋೖ w (SBEJFOU
   w (SBEJFOU
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   w (VJEFE
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   (#1 
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   w (VJEFE
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   w *OUFHSBUFE
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   w 4NPPUI(SBE !7
8. 4BMJFODZ
   .FUIPET
   ՝୊ w 4BMJFODZ
   .FUIPETͷ՝୊
   w ख๏ͷਖ਼౰ੑΛධՁ͢Δํ๏ཱ͕֬͞Ε͍ͯͳ͍
   w ʮݟͨ໨ʯͰͷݕূ͸֬ূόΠΞεʹӨڹ͞ΕΔ w w w w w w !8
9. ਖ਼౰ੑςετ ௚ײతʹɿϞσϧ͕QFSUVSC͞ΕͨΒ4BMJFODZ
   .BQ͸มΘΔ͸ͣ
    .PEFM
   1BSBNFUFS
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   w <໨త>
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    %BUB
   3BOEPNJ[BUJPO
   5FTU
   w <໨త>
   આ໌ख๏ͷσʔλͱϥϕϧͷؔ܎΁ͷײ౓ΛଌΔ !9
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    .BQͷඳը
    ఆੑతͳධՁͷةݥੑΛઆ໌͢ΔͨΊʹ௨Γߦ͏
    w BCTPMVUF
    <
    >ʹਖ਼نԽͨ͠NBQͷઈର஋
    w EJWFSHJOH
    <
    >ʹਖ਼نԽͨ͠NBQ
    w ྨࣅ౓ͷධՁࢦඪ
    छྨ
    w 4QFBSNBOͷॱҐ૬ؔ܎਺
    w BCTPMVUF
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    w 44*.
    w )P(Tͷ૬ؔ܎਺ʢ1FBSTPOͷੵ཰૬ؔ܎਺ʣ !10
11. ਖ਼౰ੑςετ  .PEFM
    1BSBNFUFS
    3BOEPNJ[BUJPO
    5FTU
     $BTDBEJOH
    3BOEPNJ[BUJPO
    w ग़ྗʹ͍ۙ૚͔Β૚ͣͭॏΈΛཚ਺ʹஔ͖׵͑Δ
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    WΛར༻
     *OEFQFOEFOU
    3BOEPNJ[BUJPO
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     %BUB
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    5FTU
    w ϞσϧʹϥϯμϜͳϥϕϧΛهԱͤ͞ΔɽSFM
    ;IBOH
    FU
    BM
    *$-3
     !11
12. ਖ਼౰ੑςετ  .PEFM
    1BSBNFUFS
    3BOEPNJ[BUJPO
    5FTU
     $BTDBEJOH
    3BOEPNJ[BUJPO
    w ݁Ռ͕มΘΔ͜ͱ͕ظ଴͞ΕΔ
     *OEFQFOEFOU
    3BOEPNJ[BUJPO
     %BUB
    3BOEPNJ[BUJPO
    5FTU !X
13. $BTDBEJOH
    3BOEPNJ[BUJPO !12 ݩͷϞσϧ Ϟσϧग़ྗ ೖྗ 4(
    
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14. $BTDBEJOH
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15. $BTDBEJOH
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    >ʹਖ਼نԽͨ͠NBQͷઈର஋ʣ
    w ݟͨ໨ʹରԠ͍ͯ͠Δɿ
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    ͕໿ !14
16. $BTDBEJOH
    3BOEPNJ[BUJPO w ݟͨ໨ͰͷൺֱͱେํҰக͍ͯ͠Δɽ
    w (VJEFE
    #BDL1SPQͱ(VJEFE
    (SBE$".ͷ૬͕ؔ !X
17. $BTDBEJOH
    3BOEPNJ[BUJPO w ූ߸่͕ΕΔ
    w ˠτοϓͷ૚ΛϥϯμϜʹ͢Δͱ૬͕ؔʹ
    w ݟͨ໨ͰͷൺֱͱͷζϨ !X
18. *OEFQFOEFOU
    3BOEPNJ[BUJPO !15 ׂѪ
19. ਖ਼౰ੑςετ  .PEFM
    1BSBNFUFS
    3BOEPNJ[BUJPO
    5FTU
     $BTDBEJOH
    3BOEPNJ[BUJPO
     *OEFQFOEFOU
    3BOEPNJ[BUJPO
     %BUB
    3BOEPNJ[BUJPO
    5FTU
    w ظ଴͞ΕΔڍಈ !X
20. %BUB
    3BOEPNJ[BUJPO
    5FTU w <
    >
    NBQͷઈର஋
    w (SBEJFOU
    (SBEJFOU
    4(
    (SBE$".
 มԽେ !16 ௨ৗͷσʔληοτͰֶशͨ͠Ϟσϧ ϥϯμϜϥϕϧͰֶशͨ͠Ϟσϧ
21. %BUB
    3BOEPNJ[BUJPO
    5FTU w <
    >
    NBQ
    w ੨͍఺ɿෛ஋
    w (SBEJFOU
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    4(
    (SBE$".
 มԽେ !17 ௨ৗͷσʔληοτͰֶशͨ͠Ϟσϧ ϥϯμϜϥϕϧͰֶशͨ͠Ϟσϧ
22. %BUB
    3BOEPNJ[BUJPO
    5FTU w ݟͨ໨͚ͩͷ൑அ͸ةݥɿ
    w ྫ
    (VJEFE
    #1
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    (SBE$".
    ͸͕ࠩ͋ΔΑ͏ʹݟ͑Δ͕ʜ
 ɹɹ૬ؔ܎਺͸ߴ͍ !18
23. 3BOEPNJ[BUJPO
    5FTUͷ݁Ռ w .PEFM
    3BOEPNJ[BUJPO
    5FTU
    w (SBEJFOUɼ(SBEJFOU
    4(ɼ(SBE$".ɿ0,
    w (VJEFE
    #BDL1SPQɼ(VJEFE
    (SBE$".ɿมԽͳ͠
    w %BUB
    3BOEPNJ[BUJPO
    5FTU
    w (SBEJFOUɼ(SBEJFOU
    4(
    
    (SBE$".ɿ0,
    w *OUFHSBUFE
    (SBEJFOUTͱ*OQVU
    Y
    (SBEJFOUɿݟͨ໨ͷҧ͍͕খ
    w ݟͨ໨͚ͩͷ൑அ͸NJTMFBEJOH !19
24. ٞ࿦
    
    ΞʔΩςΫνϟ w ΞʔΩςΫνϟͷࣄલ෼෍ͱͯ͠ͷ໾ׂ
    w நग़͢Δදݱ΁ͷӨڹ
    w ෼ྨλεΫͷࣄલ෼෍ͱͯ͠ڧ͍
    w %FFQ
    *NBHF
    1SJPS
    w ύϥϝʔλͱ΋σʔλͱ΋ແؔ܎ͳઆ໌Ϟσϧ
    w ΞʔΩςΫνϟͷࣄલ෼෍ʹؔ͢Δ৘ใ͸આ໌Ͱ͖Δ͔΋͠Εͳ͍ !20
25. ٞ࿦
    
    *OQVU
    Y
    (SBEJFOU w ͋·Γ4BOFͰ͸ͳ͔ͬͨ*OQVU
    Y
    (SBEJFOUͷௐࠪ
    w ೖྗYΛݻఆ͠ɼ(SBEJFOU͕ϥϯμϜʹͳͬͨࡍͷڍಈΛݟΔɿ
    w YͱϕΫτϧV
    _
    6OJGPSNɼW
    _
    /PSNBMͱͷཁૉੵΛ༻͍
 & Y ͱ& Y
    
    V ɼ& Y
    
    W Λൺ΂Δ
    w ˠ
    *OQVU͕ࢧ഑తͰ͋Δ !21
26. ٞ࿦
    
    ୯७ͳϞσϧͷ෼ੳ !22 w ߏ଄ɿY
    DPOW
    ˠ
    3F-6
    ˠ
    TVN
    QPPMJOH
    w ֤ख๏͕ΤοδͷΑ͏ʹݟ͑Δग़ྗ
    w ˡ
    Ϟσϧߏ଄͕Τοδݕग़ʹӨڹ͍ͯ͠Δʁ
27. ٞ࿦
    
    Τοδݕग़ w ্ྻɿݩը૾ʹର͢Δ֤ख๏ͷग़ྗ
 Լྻɿݩը૾
    Y
    Τοδʹର͢Δ֤छํͷग़ྗ
    w ۃ୺ʹࣅ͍ͯΔ
 ˠ
    TBMJFODZ
    NFUIPET͸
 ɹ
    ΄΅Τοδݕग़ʁ !23