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
Kuno Ayana
June 19, 2020
Education
41
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
1.3k
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
290
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
840
iOS 18 がやってきた!
kno3a87
1
270
おうちハッカソン #2
kno3a87
0
160
ミクアカ成果報告会
kno3a87
0
70
SXSW2021
kno3a87
0
77
ミクアカ中間発表会
kno3a87
0
55
Other Decks in Education
See All in Education
「機械学習と因果推論」入門 ⑤ 因果効果推定の一般化
masakat0
0
100
Catecismo 26 #1 - Aula inaugural
cm_manaus
0
160
Implicit and Cross-Device Interaction - Lecture 10 - Next Generation User Interfaces (4018166FNR)
signer
PRO
2
2.3k
応募課題(’25広島)
forget1900
0
1.6k
プロポーザルを書く技術とアンチパターン/proposal-writing-and-antipatterns
moriyuya
13
3.3k
Course Review - Lecture 13 - Next Generation User Interfaces (4018166FNR)
signer
PRO
0
2.3k
【セーフィー】テクニカルライティング&コミュニケーション実践講座(26新卒エンジニア向け研修資料)
ymzaki_m4
0
190
コミュニティを通じた_キャリア設計のススメ_20260424.pdf
masakiokuda
0
290
Data Presentation - Lecture 5 - Information Visualisation (4019538FNR)
signer
PRO
1
3.2k
Laura Wilson - The Quarterly PR Pivot
laurawilsonbseo1
1
320
Data Physicalisation - Lecture 9 - Next Generation User Interfaces (4018166FNR)
signer
PRO
1
1k
Human-AI Interaction - Lecture 11 - Next Generation User Interfaces (4018166FNR)
signer
PRO
0
1k
Featured
See All Featured
Build The Right Thing And Hit Your Dates
maggiecrowley
39
3.2k
Easily Structure & Communicate Ideas using Wireframe
afnizarnur
194
17k
Google's AI Overviews - The New Search
badams
0
1k
Facilitating Awesome Meetings
lara
57
6.9k
Bootstrapping a Software Product
garrettdimon
PRO
307
120k
CSS Pre-Processors: Stylus, Less & Sass
bermonpainter
360
30k
Rails Girls Zürich Keynote
gr2m
96
14k
Navigating Weather and Climate Data
rabernat
0
210
4 Signs Your Business is Dying
shpigford
187
22k
Building Experiences: Design Systems, User Experience, and Full Site Editing
marktimemedia
0
520
Everyday Curiosity
cassininazir
0
220
Faster Mobile Websites
deanohume
310
31k
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)