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
新幹線の話(2)
Search
yutakau
September 02, 2017
Technology
0
220
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
Tweet
Share
More Decks by yutakau
See All by yutakau
Machine learning classification of Shinkansen images.
yutakau
0
300
Other Decks in Technology
See All in Technology
Flutter向けPDFビューア、pdfrxのpdfium WASM対応について
espresso3389
0
120
論文紹介:LLMDet (CVPR2025 Highlight)
tattaka
0
300
Delta airlines Customer®️ USA Contact Numbers: Complete 2025 Support Guide
deltahelp
0
120
What’s new in Android development tools
yanzm
0
110
Operating Operator
shhnjk
1
470
fukabori.fm 出張版: 売上高617億円と高稼働率を陰で支えた社内ツール開発のあれこれ話 / 20250704 Yoshimasa Iwase & Tomoo Morikawa
shift_evolve
PRO
2
6.3k
無意味な開発生産性の議論から抜け出すための予兆検知とお金とAI
i35_267
3
11k
Backlog ユーザー棚卸しRTA、多分これが一番早いと思います
__allllllllez__
1
130
KubeCon + CloudNativeCon Japan 2025 Recap
ren510dev
1
360
マーケットプレイス版Oracle WebCenter Content For OCI
oracle4engineer
PRO
3
950
あなたの声を届けよう! 女性エンジニア登壇の意義とアウトプット実践ガイド #wttjp / Call for Your Voice
kondoyuko
4
560
生成AI時代の開発組織・技術・プロセス 〜 ログラスの挑戦と考察 〜
itohiro73
1
420
Featured
See All Featured
Scaling GitHub
holman
459
140k
Building an army of robots
kneath
306
45k
Bootstrapping a Software Product
garrettdimon
PRO
307
110k
Creating an realtime collaboration tool: Agile Flush - .NET Oxford
marcduiker
30
2.1k
Documentation Writing (for coders)
carmenintech
72
4.9k
How to Ace a Technical Interview
jacobian
277
23k
Six Lessons from altMBA
skipperchong
28
3.9k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
53
2.9k
Speed Design
sergeychernyshev
32
1k
Measuring & Analyzing Core Web Vitals
bluesmoon
7
500
Building a Scalable Design System with Sketch
lauravandoore
462
33k
Unsuck your backbone
ammeep
671
58k
Transcript
৽װઢͷࣸਅͷ ʢ̎ʣ
ࣗݾհ :VUBLB6TVJ ΤϯδχΞ ڵຯͷ͋Δɿɹిࢠ࡞ɺ'1("ɺ ɹɹɹɹɹɹɹɹɹ̏%ϓϦϯςΟϯά
ࣗͷϕϥϯμ͔Βͷ෩ܠ
৽װઢ͕Α͘ݟ͑Δ
ͱ͜Ζ͕ ͜͏͍͏ϨΞͳ͕͍ͭͬͯΔͷΛݟͨ͜ͱ͕ͳ͍
લճͷ·ͱΊ ػցֶशͰ ৽װઢؚ͕·ΕΔը૾Λબผ ͋ΔఔͰ͖͕ͨɺඍົͳ݁Ռɻ ʢ͖ͪΜͱධՁͰ͖ͣʣ
લճͷ·ͱΊ ػցֶशͰ ৽װઢؚ͕·ΕΔը૾Λબผ ͋ΔఔͰ͖͕ͨɺඍົͳ݁Ռɻ ʢ͖ͪΜͱධՁͰ͖ͣʣ
લճ͍ͨΞυόΠε ී௨ʹԻΛͬͯ৽װઢͷ͋Γͳ͠ఆͨ͠ ํ͕ྑ͍ͷͰͳ͍͔ʁ ԻͰͬͯΈͨ
खॱ ಈըσʔλ ̍,)[ͰϦαϯϓϦϯά ԻΓग़͠
Իσʔλ ·ͣɺ୯७ʹ͖͍͠Ҏ্͔Ͱఆͯ͠ΈΔ ͋ΔϨϕϧҎ্ͷԻͳΒ৽װઢ͋Γɺͱ͢Δ
ఆྔతͳੳ ఆϓϩάϥϜ࡞ ਖ਼ղσʔλΛ࡞ ͷಈըΛɺ̍ඵ͝ͱʹΓग़͠ɻ ৽װઢͷ༗ແΛख࡞ۀͰϥϕϦϯά ˠݸͷϥϕϧσʔλ XBWσʔλΛ̍ඵ͝ͱʹΓग़͠ɺ ͖͍͠ͱൺֱͯ͠ఆॲཧ
$POGVTJPO.BUSJY ྨ݁ՌΛ·ͱΊͨද ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive
False Negative Negative False Positive True Negative ఆΫϥεɿఆͷ݁Ռ ࣮ࡍͷΫϥεɿ࣮ࡍͷσʔλ
$POGVTJPO.BUSJY ৽װઢʹͯΊΔͱ ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive
False Negative Negative False Positive True Negative ৽װઢདྷ͍ͯΔ ৽װઢདྷ͍ͯͳ͍ ৽װઢདྷ͍ͯΔ ͱఆ ৽װઢདྷ͍ͯͳ͍ ͱఆ 513ʹ51ʗʢ51ʴ'/ʣ '13ʹ'1ʗʢ'1ʴ5/ʣ
$POGVTJPO.BUSJY ৽װઢσʔλʹͯΊΔͱ ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive
False Negative Negative False Positive True Negative ৽װઢདྷ͍ͯΔ ৽װઢདྷ͍ͯͳ͍ ৽װઢདྷ͍ͯΔ ͱఆ ৽װઢདྷ͍ͯͳ͍ ͱఆ ޡఆ औΓ͜΅͠
$POGVTJPO.BUSJY ৽װઢσʔλʹͯΊΔͱ ఆΫϥε Positive Negative ࣮ࡍͷ Ϋϥε Positive True Positive
False Negative Negative False Positive True Negative ৽װઢདྷ͍ͯΔ ৽װઢདྷ͍ͯͳ͍ ৽װઢདྷ͍ͯΔ ͱఆ ৽װઢདྷ͍ͯͳ͍ ͱఆ 513ɿ࣮ࡍʹ৽װઢདྷ͍ͯΔ࣌ʹདྷ͍ͯΔͱఆͨ͠ '13৽װઢདྷ͍ͯͳ͍࣌ʹɺདྷ͍ͯΔͱఆͨ͠
݁Ռ 513 '13
ੳͨ݁͠Ռ εϨογϣϧυΛͲ͏ܾΊΔ͔ ̍ɹ৽װઢҎ֎ͷ૽Իɹ ɹɹόΠΫɺࣗಈंͷԻɺαΠϨϯ ̎ɹ৽װઢͷԻେ͖͕͞ҧ͏ ɹɹ౦ژߦ͖ͱ৽େࡕߦ͖ͰԻϨϕϧ͕ҧ͏ ɹɹεϐʔυ͕ҧ͏ʁ ̏ɹͦͦ ৽װઢ͘Δ͔ͳΓલ͔ΒԻೖͬͯ͘Δ