Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
画像解析(MNIST)
Search
asagiman
September 28, 2019
Programming
0
84
画像解析(MNIST)
第9回もくもく会資料
asagiman
September 28, 2019
Tweet
Share
More Decks by asagiman
See All by asagiman
G検定講座#1
asagiman
0
65
敷居の低いAI勉強会#3
asagiman
0
50
敷居の低いAI勉強会#4
asagiman
0
53
BIRD
asagiman
0
55
開発合宿#1_アジェンダ
asagiman
0
170
「さんすう」
asagiman
0
81
G検定#2
asagiman
0
96
みやこもくもく会#8資料「機械学習実践セミナー」
asagiman
0
170
AI & Disconnecting the Dots
asagiman
0
44
Other Decks in Programming
See All in Programming
PHPカンファレンス名古屋2025 タスク分解の試行錯誤〜レビュー負荷を下げるために〜
soichi
1
770
Drawing Heighway’s Dragon- Recursive Function Rewrite- From Imperative Style in Pascal 64 To Functional Style in Scala 3
philipschwarz
PRO
0
170
データベースのオペレーターであるCloudNativePGがStatefulSetを使わない理由に迫る
nnaka2992
0
250
変化の激しい時代における、こだわりのないエンジニアの強さ
satoshi256kbyte
1
760
Rails 1.0 のコードで学ぶ find_by* と method_missing の仕組み / Learn how find_by_* and method_missing work in Rails 1.0 code
maimux2x
1
270
Serverless Rust: Your Low-Risk Entry Point to Rust in Production (and the benefits are huge)
lmammino
1
170
コミュニティ駆動 AWS CDK ライブラリ「Open Constructs Library」 / community-cdk-library
gotok365
2
260
はじめての Go * WASM * OCR
sgash708
1
130
たのしいSocketのしくみ / Socket Under a Microscope
coe401_
8
1.4k
Google Cloudとo11yで実現するアプリケーション開発者主体のDB改善
nnaka2992
1
150
楽しく向き合う例外対応
okutsu
0
760
Generating OpenAPI schema from serializers throughout the Rails stack - Kyobashi.rb #5
envek
1
440
Featured
See All Featured
Building an army of robots
kneath
303
45k
The Illustrated Children's Guide to Kubernetes
chrisshort
48
49k
Fight the Zombie Pattern Library - RWD Summit 2016
marcelosomers
233
17k
Code Reviewing Like a Champion
maltzj
521
39k
Writing Fast Ruby
sferik
628
61k
Large-scale JavaScript Application Architecture
addyosmani
511
110k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
29
2.5k
jQuery: Nuts, Bolts and Bling
dougneiner
63
7.7k
XXLCSS - How to scale CSS and keep your sanity
sugarenia
248
1.3M
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
49
2.3k
Fantastic passwords and where to find them - at NoRuKo
philnash
51
3k
A Philosophy of Restraint
colly
203
16k
Transcript
Έ͜ ͘͘ձ ./*45 ϓϨθϯλʔɹTomohiro Iida
ΞδΣϯμ ࣗݾհˍຊͷΰʔϧઆ໌ʢʣ ࢀՃऀͦΕͧΕͷࣗݾհʢʣ ./*45ϋϯζΦϯʢʣ
ΞδΣϯμ ࣗݾհˍຊͷΰʔϧઆ໌ʢʣ ࢀՃऀͦΕͧΕͷࣗݾհʢʣ ./*45ϋϯζΦϯʢʣ
ܦྺ
ຊͷΰʔϧ ࣗͷखॻ͖ࣈΛ ผ͢ΔϞσϧΛ࡞Δ
ࢯ໊ʢϋϯυϧωʔϜՄʣ झຯ ʮ͜ΜͳJQIPOFݏͩʂʯΛڭ͍͑ͯͩ͘͞ ࢀՃऀࣗݾհ
ࣗݾհˍຊͷΰʔϧઆ໌ʢʣ ࢀՃऀͦΕͧΕͷࣗݾհʢʣ ./*45ϋϯζΦϯʢʣ
./*45ͱ ./*45ͱɺը૾σʔληοτͷ͜ͱɻ ʢखॻ͖ࣈը૾ ຕͱɺςετը૾ ຕΛूΊͨͷʣ ҎԼ͕ϖΞʹͳ͍ͬͯΔɻ खॻ͖ͷʙͷࣈ͕ॻ͔Εͨը૾σʔλͱɺ ͦͷը૾ʹॻ͔Ε࣮ͨࡍͷࣈσʔλ
ը૾ೝࣝͱ IUUQTTVQFSTNBTICSPTGBOEPNDPNKBXJLJ&""&#&"' ը૾ೝࣝͱ ը૾σʔλ͔Βɺਓؒʹͱͬͯҙຯͷ͋ΔใΛ நग़͢ΔλεΫͷ͜ͱΛ͍͏ɻ ୯ͳΔࣈʹ͗͢ͳ͍
./*45ͱ IUUQTXFCMBCPPTDBTJFSSBOFUQZUIPOLFSBTNOJTUTBNQMFIUNM σʔλͷ༷ࢠ
./*45ͱ IUUQTXFCMBCPPTDBTJFSSBOFUQZUIPOLFSBTNOJTUTBNQMFIUNM ग़ྗ͜Μͳײ͡ 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
ͰɺͬͯΈ·͠ΐ͏ ࣮
4FRVFOUJBMϞσϧ IUUQNBSVQFLFDPN*,%"%7@%-@/P@,FSBTIUNM %FOTF
3FMVؔ ೖྗ͕ҎԼͳΒɺҎ্ͳΒͦͷ··ग़ྗ͢Δؔͷ͜ͱɻ ҎԼͷࣜͰදͤΔɻ I Y \Y Y Y ^
IUUQTUFDICMPHHNPBQKQ&"'&"#&"%"&#'&&"&#$&&"&#$&#&#&#&"&#%#'&'&$&#&'#"&$"$&"&""
%SPQPVU σʔλ͕มʹͳͬͯ͠·͏͜ͱΛ͙ɻ IUUQTRJJUBDPNNJOFJUFNTECBCCFGD
3.4QSPQ lޯ߱Լ๏zΛ ࠷దԽ͢ΔΞϧΰϦζϜͷͻͱͭ దԠతֶशͷํࣜͷ࣮ݱ
ޯ߱Լ๏ ޯ߱Լ๏ͷߟ͑ํ˰্͔ΒϘʔϧΛམͱ͠Ұ൪͍ͱ͜Ζ୧Γண͘·Ͱͭ IUUQXXXQMBODWUJUFDIBDKQGVLVEBMBCCBDCEEBCDCBGDDGDQEG
ޯ߱Լ๏ ࣌ࠁͰ ʹ͋ͬͨϘʔϧΛޯͷٯํಈ͔͢ࡍͷϧʔϧ (+1) = () + ∆() , ∆()
= − (4.9) lͱॱ࣍܁Γฦ͢͜ͱͰɼޡࠩؔάϥϑͷఈ߱Γ͍ͯ͘ ˎ̍εςοϓͷҠಈڑ∆ lֶशzͰܾఆ͞ΕΔ IUUQXXXQMBODWUJUFDIBDKQGVLVEBMBCCBDCEEBCDCBGDDGDQEG
ޯ߱Լ๏ ֶशͷऔΓํτϥΠΞϯυΤϥʔʹجͮ͘ w ֶश͕େ͖͍ ˰ࠁΈ͕ߥ͗ͯ͢ޡࠩؔͷܗঢ়Λଊ͑ΒΕͣɼऩଋ͠ͳ͍ w ֶश͕খ͍͞ ˰ֶश͕Ұʹਐߦ͠ͳ͍ IUUQXXXQMBODWUJUFDIBDKQGVLVEBMBCCBDCEEBCDCBGDDGDQEG
$//ͱ ը૾σʔλʹదͨ͠ܗͷ χϡʔϥϧωοτϫʔΫ ը૾Λͦͷ··ͷܗʹ̎࣍ݩͰ ѻ͏͜ͱ͕Ͱ͖Δ $POWPMVUJPOBM/FVSBM/FUXPSL
$//ͷશମ૾ $//ɺΈࠐΈϓʔϦϯάʹΑͬͯಘΒΕͨಛϚοϓͷ֤ϐΫηϧσʔλΛɺ χϡʔϥϧωοτϫʔΫͷೖྗͱͯ͠ར༻͢Δɻ IUUQTXXXBUNBSLJUDPKQBJUBSUJDMFTOFXTIUNM
$// ΈࠐΈ IUUQTULFOHPHJUIVCJPCMPHVOEFSTUBOEJOHDPOWPMVUJPOBMOFVSBMOFUXPSLTGPSOMQ
Χʔωϧ ʢϑΟϧλʔʣ
$// ϓʔϦϯά IUUQTULFOHPHJUIVCJPCMPHVOEFSTUBOEJOHDPOWPMVUJPOBMOFVSBMOFUXPSLTGPSOMQ ը૾αΠζΛܾΊΒΕͨϧʔϧʹैͬͯখ͘͢͞Δ NBYϓʔϦϯά
$// શ݁߹ ग़ྗͷܗΛ̍࣍ݩʹมܗ͢Δ ௨ৗͷχϡʔϥϧωοτϫʔΫͱಉ͡ ʮӅΕʯʮग़ྗʯʹଓ͠ɺ
͓͠·͍ pO