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
1.2k
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
Referendum Costituzionale Giustizia
nostradalmine
0
120
0121
cbtlibrary
0
150
Introduction - Lecture 1 - Next Generation User Interfaces (4018166FNR)
signer
PRO
2
4.6k
Gitの仕組みと用語 / 01-b-term
kaityo256
PRO
0
260
(2026) Quelle(s) mathématique(s) dans la "grande" culture?
mansuy
1
100
この講義について / 00-setup
kaityo256
PRO
2
300
What workforce agencies must have in place to compete for and deliver on RESTART grants
territorium
PRO
0
130
Why the humanities may be your best career bet
figarospeech
0
150
Postcards
gabrielramirezv
0
170
資格支援制度-株式会社HIT
kabushikigaisya_hit
0
860
GOBUSATA紹介
chankawa919
0
140
Human Perception and Colour Theory - Lecture 2 - Information Visualisation (4019538FNR)
signer
PRO
0
3k
Featured
See All Featured
Code Reviewing Like a Champion
maltzj
528
40k
The AI Revolution Will Not Be Monopolized: How open-source beats economies of scale, even for LLMs
inesmontani
PRO
3
3.3k
B2B Lead Gen: Tactics, Traps & Triumph
marketingsoph
0
99
Become a Pro
speakerdeck
PRO
31
5.9k
Test your architecture with Archunit
thirion
1
2.2k
Site-Speed That Sticks
csswizardry
13
1.1k
Breaking role norms: Why Content Design is so much more than writing copy - Taylor Woolridge
uxyall
0
240
Design in an AI World
tapps
0
190
How to train your dragon (web standard)
notwaldorf
97
6.6k
RailsConf 2023
tenderlove
30
1.4k
The Spectacular Lies of Maps
axbom
PRO
1
680
Believing is Seeing
oripsolob
1
110
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)