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
画像処理論セミナー7-1,2
Search
Sponsored
·
Your Podcast. Everywhere. Effortlessly.
Share. Educate. Inspire. Entertain. You do you. We'll handle the rest.
→
Kuno Ayana
June 19, 2020
Education
31
0
Share
画像処理論セミナー7-1,2
Kuno Ayana
June 19, 2020
More Decks by Kuno Ayana
See All by Kuno Ayana
アクセシビリティ、まだ完璧じゃないけど ── “今から”できること
kno3a87
2
1.1k
ぬるぬる動かせ! Riveでアニメーション実装🐾
kno3a87
1
1.9k
Dart 参戦!!静的型付き言語界の隠れた実力者
kno3a87
0
260
Flutterを言い訳にしない!アプリの使い心地改善テクニック5選🔥
kno3a87
3
820
iOS 18 がやってきた!
kno3a87
1
250
おうちハッカソン #2
kno3a87
0
150
ミクアカ成果報告会
kno3a87
0
65
SXSW2021
kno3a87
0
72
ミクアカ中間発表会
kno3a87
0
49
Other Decks in Education
See All in Education
CoderDojoへようこそ ニンジャ&保護者向け (CoderDojo Guidance for Ninjas&Parents)
coderdojokodaira
1
160
Google Antigravity エージェント・フ ァーストな開発パラダイムへの招待
mickey_kubo
1
120
理工学系 第1回大学院説明会2026|東京科学大学(Science Tokyo)
sciencetokyo
PRO
1
810
SARA Annual Report 2025-26
sara2023
1
260
Write to Win: Crafting Winning Application Essays
em07adoz
0
150
0121
cbtlibrary
0
150
From Participation to Outcomes
territorium
PRO
0
420
SSH_handshake_easy_explain
kenbo
0
960
資格支援制度-株式会社HIT
kabushikigaisya_hit
0
800
バージョン管理とは / 01-a-vcs
kaityo256
PRO
1
240
Adobe Express
matleenalaakso
2
8.2k
Interactive Tabletops and Surfaces - Lecture 5 - Next Generation User Interfaces (4018166FNR)
signer
PRO
1
2.1k
Featured
See All Featured
We Analyzed 250 Million AI Search Results: Here's What I Found
joshbly
1
1.1k
RailsConf 2023
tenderlove
30
1.4k
What does AI have to do with Human Rights?
axbom
PRO
1
2.1k
The Director’s Chair: Orchestrating AI for Truly Effective Learning
tmiket
1
140
Context Engineering - Making Every Token Count
addyosmani
9
790
WENDY [Excerpt]
tessaabrams
9
37k
RailsConf & Balkan Ruby 2019: The Past, Present, and Future of Rails at GitHub
eileencodes
141
35k
Why Mistakes Are the Best Teachers: Turning Failure into a Pathway for Growth
auna
0
110
We Have a Design System, Now What?
morganepeng
55
8.1k
Put a Button on it: Removing Barriers to Going Fast.
kastner
60
4.2k
Groundhog Day: Seeking Process in Gaming for Health
codingconduct
0
140
Understanding Cognitive Biases in Performance Measurement
bluesmoon
32
2.8k
Transcript
,VOP"ZBOB σΟδλϧը૾ॲཧ ΅͚ɾͿΕը૾ͷ෮ݩ
ը૾ͷྼԽ g(x, y) = f(x, y) * h(x, y) ྼԽը૾
ݪը૾ ϑΟϧλؔ Χϝϥͷয΅͚ͿΕʹΑΔྼԽ ˠݪը૾ʹۭؒϑΟϧλϦϯάॲཧΛࢪͨ͠ը૾ͱߟ͑ΒΕΔ
ը૾ͷྼԽ g(x, y) = f(x, y) * h(x, y) ྼԽը૾
ݪը૾ ϑΟϧλؔ Χϝϥͷয΅͚ͿΕʹΑΔྼԽ ˠݪը૾ʹۭؒϑΟϧλϦϯάॲཧΛࢪͨ͠ը૾ͱߟ͑ΒΕΔ
ը૾ͷྼԽ ࣍ݩσϧλؔ δ(x, y) ྼԽը૾ g(x, y) ݪը૾ f(x, y)
g(x, y) = f(x, y) * h(x, y) + n(x,
y) ྼԽը૾ ݪը૾ ֦͕Γؔ ը૾Λ෮ݩ͍ͨ͠ʂ ˠϊΠζʹΑΔྼԽߟྀ͠ͳ͍͚ͯ͘ͳ͍ ϊΠζ ը૾ͷ෮ݩ
g(x, y) = f(x, y) * h(x, y) + n(x,
y) ྼԽը૾ ݪը૾ ֦͕Γؔ ϊΠζ ը૾ͷ෮ݩ ը૾Λ෮ݩ͍ͨ͠ʂ ˠ·֦͕ͣΓؔΛΓ͍ͨ
֦͕ΓؔΛΓ͍ͨ h(x, y) * δ(x, y) = h(x, y) ֦͕Γؔ
࣍ݩσϧλؔ ݪը૾ˎ ࣍ݩσϧλؔ ݪը૾ ˠ֦͕Γؔˎ ࣍ݩσϧλؔ ֦͕Γؔ ֦͕Γؔ
֦͕ΓؔΛΓ͍ͨ h(x, y) * δ(x, y) = h(x, y) ֦͕Γؔ
࣍ݩσϧλؔ ݪը૾ˎ ࣍ݩσϧλؔ ݪը૾ ˠ֦͕Γؔˎ ࣍ݩσϧλؔ ֦͕Γؔ ֦͕Γؔ ݪը૾͕શͳʮʯͰ͋Ε ྼԽը૾ͱͯ͠ϑΟϧλ͕ؔಘΒΕΔʂ
֦͕ΓؔͷϞσϧԽ ΅͚ͷ֦͕Γؔ ˠΨεͱۙࣅ͍ͯ͠Δ h(x, y) = 1 2πσ2 exp(− x2
+ y2 2σ2 )
֦͕ΓؔͷϞσϧԽ ͿΕͷ֦͕Γؔ ˠͿΕͷํВʹͷΈ෯XʹҰ࣍ݩͰ͕͍ͬͯΔؔͱۙࣅ͍ͯ͠Δ |xcosθ + ycosθ| ≦ w 2 ∩
xcosθ − ycosθ = 0 hθ = { 1 w 0 ͦΕҎ֎
֦͕Γؔͷύϥϝʔλ ֦͕ΓؔΛදͨ͢Ίʹ ɾ΅͚ͷఔМ ɾͿΕͷํВɼͿΕͷఔXɹͷύϥϝʔλΛఆΊΔඞཁ͕͋Δ ɾϨϯζͷಛੑ ɾγϟολʔεϐʔυɼҠಈɾํ ͕Θ͔͍ͬͯΕύϥϝʔλΛ͋Β͔͡ΊܾΊΒΕΔ
֦͕Γؔͷύϥϝʔλ ֦͕ΓؔΛදͨ͢Ίʹ ɾ΅͚ͷఔМ ɾͿΕͷํВɼͿΕͷఔXɹͷύϥϝʔλΛఆΊΔඞཁ͕͋Δ ɾϨϯζͷಛੑ ɾγϟολʔεϐʔυɼҠಈɾํ ͕Θ͔͍ͬͯΕύϥϝʔλΛ͋Β͔͡ΊܾΊΒΕΔ ͍͍ͩͨະ
֦͕Γؔͷύϥϝʔλਪͷྫ ֦͕Γؔͷ࣍ݩϑʔϦΤมɹɹɹपྖҬͰपظతʹʹͳΔ ˠྼԽը૾ͷ࣍ݩϑʔϦΤมɹɹɹಉ༷ʹपྖҬͰपظతʹʹͳΔ H(u, v) G(u, v) G(u, v)
֦͕Γؔͷύϥϝʔλਪͷྫ ֦͕Γؔͷ࣍ݩϑʔϦΤมɹɹɹपྖҬͰपظతʹʹͳΔ ˠྼԽը૾ͷ࣍ݩϑʔϦΤมɹɹɹಉ༷ʹपྖҬͰपظతʹʹͳΔ H(u, v) G(u, v) ྼԽը૾ͷ࣍ݩϑʔϦΤมɹɹɹ͕ʹͳΔपظΛݕग़͢Δ͜ͱͰ ϞσϧύϥϝʔλΛਪఆͰ͖Δʂ G(u,
v)