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
NNにふれてみて
Search
bakunyo
February 14, 2017
Technology
0
950
NNにふれてみて
開発合宿@鎌倉で発表した際に使用した資料です
bakunyo
February 14, 2017
Tweet
Share
More Decks by bakunyo
See All by bakunyo
合宿成果@日本色
bakunyo
0
120
GitHub Actions CI/CD Update
bakunyo
0
160
AMP 完全に理解した
bakunyo
0
290
RoRoRoRoR
bakunyo
0
840
Other Decks in Technology
See All in Technology
JTCにおける内製×スクラム開発への挑戦〜内製化率95%達成の舞台裏/JTC's challenge of in-house development with Scrum
aeonpeople
0
270
AI時代を生き抜くエンジニアキャリアの築き方 (AI-Native 時代、エンジニアという道は 「最大の挑戦の場」となる) / Building an Engineering Career to Thrive in the Age of AI (In the AI-Native Era, the Path of Engineering Becomes the Ultimate Arena of Challenge)
jeongjaesoon
0
250
2025/09/16 仕様駆動開発とAI-DLCが導くAI駆動開発の新フェーズ
masahiro_okamura
0
130
Create Ruby native extension gem with Go
sue445
0
130
【NoMapsTECH 2025】AI Edge Computing Workshop
akit37
0
230
企業の生成AIガバナンスにおけるエージェントとセキュリティ
lycorptech_jp
PRO
2
200
フルカイテン株式会社 エンジニア向け採用資料
fullkaiten
0
8.8k
「何となくテストする」を卒業するためにプロダクトが動く仕組みを理解しよう
kawabeaver
0
430
現場で効くClaude Code ─ 最新動向と企業導入
takaakikakei
1
260
「その開発、認知負荷高すぎませんか?」Platform Engineeringで始める開発者体験カイゼン術
sansantech
PRO
2
720
AWSで始める実践Dagster入門
kitagawaz
1
740
使いやすいプラットフォームの作り方 ー LINEヤフーのKubernetes基盤に学ぶ理論と実践
lycorptech_jp
PRO
1
150
Featured
See All Featured
Building a Scalable Design System with Sketch
lauravandoore
462
33k
実際に使うSQLの書き方 徹底解説 / pgcon21j-tutorial
soudai
PRO
188
55k
Docker and Python
trallard
46
3.6k
Optimizing for Happiness
mojombo
379
70k
The Cult of Friendly URLs
andyhume
79
6.6k
Connecting the Dots Between Site Speed, User Experience & Your Business [WebExpo 2025]
tammyeverts
8
530
Documentation Writing (for coders)
carmenintech
74
5k
Understanding Cognitive Biases in Performance Measurement
bluesmoon
29
1.9k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
358
30k
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
The Art of Delivering Value - GDevCon NA Keynote
reverentgeek
15
1.7k
Why Our Code Smells
bkeepers
PRO
339
57k
Transcript
NNʹ;ΕͯΈͯ 2017/02/12 @ ݹయ෦߹॓ Izuta Hiroyuki
Γ͔ͨͬͨ͜ͱ • Ξχϝը૾ྨث • Deep LearningͰϥϒϥΠϒʂΩϟϥΛࣝผ͢Δ - http://christina.hatenablog.com/entry/2015/01/23/212541 • TensorFlowͰΞχϝΏΔΏΓͷ੍࡞ձࣾΛࣝผ͢Δ
- http://kivantium.hateblo.jp/entry/2015/11/18/233834
ͬͨ͜ͱ • DeepLearningຊͷ3~4ষ • χϡʔϥϧωοτϫʔΫͰ࿈ཱํఔࣜΛղ͘ • TensorFlowΛͪΐͬͱ৮ͬͯΈΔ • CIFAR-10ͷը૾ྨ
1࣍ؔ y = 0.3x + 0.1 ॳظ: W(eight) = -1
~ 1ͷϥϯμϜͳ b(ias) = 1 ଛࣦؔ: ̎ޡࠩ ޯ߱Լ๏
1࣍ؔ y = 0.3x + 0.1 ʹۙͮ͘ ʹۙͮ͘
࿈ཱํఔࣜ • ͔ͨ͠܅1݁ࠗࣜʹग़੮ͨ͜͠ͱ͕ແ͘ɺ͝ॕّͷ ૬͕Θ͔Βͳ͍ • طࠗͷ༑ਓ3ਓʹฉ͍ͯɺͦΕͧΕ͝ॕّͷ߹ܭ͕͍͘Β ͔֬ೝͨ͠ • ͝ॕّͷύλʔϯྨɾ༑ਓɾਓͷ3ύλʔϯ ͰɺͦΕͧΕ͍͘Βʁ
͝ॕّ ྨ ਓ ༑ਓ ਓ ਓ ਓ ߹ܭ ສԁ
͝ॕّ
CIFAR-10Ͱը૾ྨ
CIFAR-10 • 10छྨͷը૾ྨʹΘΕΔσʔληοτ
ਪϞσϧ: ଟͷCNN • CNNʢConvolutional Neural Networkʣ ΈࠐΈχϡʔϥϧωοτϫʔΫ • ΈࠐΈɾϓʔϦϯάɾશ݁߹͔ΒͳΔ •
ΈࠐΈ: ಛඍྔͷநग़ • ϓʔϦϯά: Ԡෆมੑͷ֫ಘ
TensorBoard • TensorFlow ඪ४ఴͷՄࢹԽπʔϧ • tensorboard --logdir={logσΟϨΫτϦ}
Demo
CNNͷ్த Accurancy: 0.2 -> 0.5 ͘Β͍·Ͱ্ঢ͢Δͷݟͯதஅ
ϋϚͬͨͱ͜Ζ
TensorFlowͰHello, World • ͍͖ͳΓίέΔɾɾɾ • AttributeError: module 'tensorflow' has no
attribute ‘constant' • import tensorflow as tf • ϑΝΠϧ໊Λ tensorflow.py ʹͯͨ͠ͷ͕ݪҼ • tfͰͳ͘Pythonͷ • http://stackoverflow.com/questions/37383812/tensorflow- module-object-has-no-attribute-placeholder
Depreciated Methods • มͷॳظԽ (چ) tf.initialize_all_variables() (৽) tf.global_variables_initializer() • TensorBoardͷೖྗ
(چ) tf.train.SummaryWriter() (৽) tf.summary.FileWriter() • άϥϑఆٛ (چ) sess.graph_def (৽) sess.graph
(༨ஊ) DocumentʹDepreciated͕͋ͬͨͷͰ PRૹΖ͏ͱͨ͠Βɾɾɾ
(༨ஊ) DocumentʹDepreciated͕͋ͬͨͷͰ PRૹΖ͏ͱͨ͠Βɾɾɾ
(༨ஊ) DocumentʹDepreciated͕͋ͬͨͷͰ PRૹΖ͏ͱͨ͠Βɾɾɾ
ײ • Γ͔ͨͬͨ͜ͱ·ͰḷΓண͚ͳ͔ͬͨ • PythonTensorFlowෆ׳Εײ • ଟ࣍ݩྻɺreshapeͱ͔Ͱਖ਼֬ʹΠϝʔδ ม͍ͨ͠
ࠓޙ • ·ͣຊΛ࠷ޙ·ͰಡΉ • ྲྀΕ͕ΠϝʔδͰ͖ͯ͘Δͱָ͍͠ • ը૾ྨΓ͍ͨɺ͚Ͳը૾ͷऩूͱϥϕϦ ϯά͕໘ͦ͏
͓ΘΓ