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
三次元形状とディープラーニング
Search
Tatsuya Yatagawa
December 21, 2020
Technology
0
290
三次元形状とディープラーニング
三次元形状処理とディープラーニングの初歩についてまとめたスライドです。
Tatsuya Yatagawa
December 21, 2020
Tweet
Share
More Decks by Tatsuya Yatagawa
See All by Tatsuya Yatagawa
Event-based Camera Simulation using Monte Carlo Path Tracing with Adaptive Denoising (ICIP 2023)
tatsy
0
520
VC'23 チュートリアル講演 『三次元メッシュと深層学習』
tatsy
0
210
SIGGRAPH 2022: Neural Geometry Processing
tatsy
0
230
Real-time Shading with Free-form Planar Area Lights using Linearly Transformed Cosines (JCGT & I3D 2022)
tatsy
0
970
SIGGRAPH Asia 2021: Real-Time Rendering
tatsy
0
110
SIGGRAPH 2021: Denoising and Guiding
tatsy
0
78
SIGGRAPH 2021: Shape Generation
tatsy
0
170
SIGGRAPH 2021: Meshing
tatsy
0
100
12. Keyboard & Mouse
tatsy
0
210
Other Decks in Technology
See All in Technology
Bedrock AgentCore Evaluationsで学ぶLLM as a judge入門
shichijoyuhi
2
320
自己管理型チームと個人のセルフマネジメント 〜モチベーション編〜
kakehashi
PRO
5
1.6k
AI: The stuff that nobody shows you
jnunemaker
PRO
1
150
RALGO : AIを組織に組み込む方法 -アルゴリズム中心組織設計- #RSGT2026 / RALGO: How to Integrate AI into an Organization – Algorithm-Centric Organizational Design
kyonmm
PRO
3
570
技術選定、下から見るか?横から見るか?
masakiokuda
0
170
投資戦略を量産せよ 2 - マケデコセミナー(2025/12/26)
gamella
1
600
Contract One Engineering Unit 紹介資料
sansan33
PRO
0
12k
「リリースファースト」の実感を届けるには 〜停滞するチームに変化を起こすアプローチ〜 #RSGT2026
kintotechdev
0
500
AI with TiDD
shiraji
1
330
Node vs Deno vs Bun 〜推しランタイムを見つけよう〜
kamekyame
1
180
ソフトウェアエンジニアとAIエンジニアの役割分担についてのある事例
kworkdev
PRO
1
360
BidiAgent と Nova 2 Sonic から考える音声 AI について
yama3133
2
140
Featured
See All Featured
sira's awesome portfolio website redesign presentation
elsirapls
0
100
Pawsitive SEO: Lessons from My Dog (and Many Mistakes) on Thriving as a Consultant in the Age of AI
davidcarrasco
0
39
Why Your Marketing Sucks and What You Can Do About It - Sophie Logan
marketingsoph
0
54
How to Ace a Technical Interview
jacobian
281
24k
Bash Introduction
62gerente
615
210k
brightonSEO & MeasureFest 2025 - Christian Goodrich - Winning strategies for Black Friday CRO & PPC
cargoodrich
2
77
[RailsConf 2023] Rails as a piece of cake
palkan
58
6.2k
Redefining SEO in the New Era of Traffic Generation
szymonslowik
1
180
The Cult of Friendly URLs
andyhume
79
6.7k
Public Speaking Without Barfing On Your Shoes - THAT 2023
reverentgeek
1
280
How to Think Like a Performance Engineer
csswizardry
28
2.4k
Conquering PDFs: document understanding beyond plain text
inesmontani
PRO
4
2.2k
Transcript
None
• 機械学習 ニューラルネット 深層学習
• • • θ • = ; = 2 2
+ 1 + 0 ෩ = arg min =0 −1 ( , ; )
• • • 0 = 0 + 0 1 =
1 + 1 2 = 2 + 2 = 0 0 + 1 1 + 2 2 + = 0 0 + 1 1 + 2 2 +(0 0 + 1 1 + 2 2 + )
• • • 0 1 2 0 = ReLU(0 +
0 ) 1 = ReLU(1 + 1 ) 2 = ReLU(2 + 2 )
= 32 = 128 = 512 • •
• • = 512 = 1 = = 4
•
•
•
•
•
•
• • • • • • • • • •
•
(c) Velodyne (c) Andrew Tallon (c) Microsoft (c) Sony
• , , = 0
′ = − ′ = + ′
• ☺ ☺ ☺ ☺ ,
, = 0
☺ ☺ ☺ ☺ , ,
= 0
• • • • •
• • • •
•
•
• ⚫ ⚫ ⚫
• • •
• • •
• •
• • •
• • • • • • •
☺ ☺ ☺ ☺ , ,
= 0
• • • (c) Velodyne
• • • (0 , 0 , 0 ) (1
, 1 , 1 ) ( , , ) (−1 , −1 , −1 ) (+1 , +1 , +1 ) (0 , 0 , 0 ) (1 , 1 , 1 ) (−1 , −1 , −1 ) (+1 , +1 , +1 ) ( , , )
• • •
None
⚫
⚫
• •
• • •
•
•
•
• • • • • • •
☺ ☺ ☺ ☺ , ,
= 0
• • •
• • • •
• • ∗ = ℱ−1(ℱ ⋅ ℱ ) ′ =
ℱ−1(Θ ∘ ℱ )
• = 0 1 1 0 1 0 1 0
1 1 0 1 0 0 1 0 = − − 1 2− 1 2 = :
• • • = T
• () ′ = ℱ−1(Θ ∘ ℱ ) ′ =
ℱ = () ℱ−1 = ()
• • • +1 +2 +1 = ReLU ⋅
• • •
• • •
• •
• • •
• • •
• •
• • • • • •
☺ ☺ ☺ ☺ , ,
= 0
• , , =
• • •
• • • •
• •
• • •
• • •
• • • •
•
• • • •
• • •
• • • •
• • •
• • • •
• • • • • • • •
• • • • • • • • •