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画像処理論セミナー7-1-3

 画像処理論セミナー7-1-3

Kuno Ayana

July 02, 2020
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  1. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ g(x, y) = f(x, y) * h(x, y) ྼԽը૾

    ݪը૾ ఺֦͕Γؔ਺ ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ
  2. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ g(x, y) = f(x, y) * h(x, y) ྼԽը૾

    ݪը૾ G(u, v) = F(u, v)H(u, v) ϑʔϦΤม׵ 'ྼԽը૾ 'ݪը૾ ϑΟϧλ ఺֦͕Γؔ਺ ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ
  3. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v)H(u, v) 'ྼԽը૾ 'ݪը૾ ϑΟϧλ

    ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ
  4. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v)H(u, v) 'ྼԽը૾ 'ݪը૾ ϑΟϧλ

    ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ K(u, v) K(u, v)
  5. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v)H(u, v) 'ྼԽը૾ 'ݪը૾ ϑΟϧλ

    1 H(u, v) ٯϑΟϧλ ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ  1 H(u, v)
  6. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v)H(u, v) 'ྼԽը૾ 'ݪը૾ ϑΟϧλ

    1 H(u, v) ٯϑΟϧλ ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ 1 H(u, v)
  7. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v) 'ྼԽը૾ 'ݪը૾ ϑʔϦΤٯม׵ g(x,

    y) = f(x, y) ྼԽը૾ ݪը૾ ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ 1 H(u, v)
  8. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v)H(u, v) 'ྼԽը૾ 'ݪը૾ ϑΟϧλ

    1 H(u, v) ٯϑΟϧλ ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ ΋͘͠͸ݶΓͳ͘ʹ͍ۙ஋ͩͬͨΒʁ
  9. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v)H(u, v) 'ྼԽը૾ 'ݪը૾ ϑΟϧλ

    1 H(u, v) ٯϑΟϧλ ఺֦͕Γؔ਺͕ط஌ͷ৔߹ ٯϑΟϧλΛྼԽը૾ʹదԠ͢Δ͜ͱͰݪը૾͕ٻ·Δ ΋͘͠͸ݶΓͳ͘ʹ͍ۙ஋ͩͬͨΒʁ ൃࢄͯ͠͠·͏ʂ
  10. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ G(u, v) = F(u, v)H(u, v) + N(u, v)

    ൃࢄ͢ΔͱϊΠζ੒෼͕૿෯ͯ͠͠·͏ ˠ) V W ͕ʹ͍ۙͱ͖ʹൃࢄ͠ͳ͍ϑΟϧλΛߟ͑Δඞཁ͕͋Δ 'ϊΠζ 
  11. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + |N(u, v)|2 /|F(u, v)|2 ෮ݩը૾ɹɹɹͱݪը૾ɹɹɹͷޡࠩΛ࠷খʹ͢ΔΑ͏ͳϑΟϧλ Kw (u, v) ̂ f(x, y) f(x, y) 
  12. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + |N(u, v)|2 /|F(u, v)|2 ෮ݩը૾ɹɹɹͱݪը૾ɹɹɹͷޡࠩΛ࠷খʹ͢ΔΑ͏ͳϑΟϧλ Kw (u, v) ̂ f(x, y) f(x, y)  ΢ΟʔφϑΟϧλ
  13. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + |N(u, v)|2 /|F(u, v)|2 ෮ݩը૾ɹɹɹͱݪը૾ɹɹɹͷޡࠩΛ࠷খʹ͢ΔΑ͏ͳϑΟϧλ Kw (u, v) ̂ f(x, y) f(x, y) ϊΠζ͕ͷ৔߹
  14. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + |N(u, v)|2 /|F(u, v)|2 ෮ݩը૾ɹɹɹͱݪը૾ɹɹɹͷޡࠩΛ࠷খʹ͢ΔΑ͏ͳϑΟϧλ Kw (u, v) ̂ f(x, y) f(x, y) ϊΠζ͕ͷ৔߹ ͕͜͜ʹͳΔͷͰ ٯϑΟϧλͱಉ༷ʹ໭Δ
  15. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + |N(u, v)|2 /|F(u, v)|2 ෮ݩը૾ɹɹɹͱݪը૾ɹɹɹͷޡࠩΛ࠷খʹ͢ΔΑ͏ͳϑΟϧλ Kw (u, v) ̂ f(x, y) f(x, y) ͍͍ͩͨϊΠζ΍ݪը૾͸ະ஌ ద౰ͳఆ਺ϵΛஔ͘͜ͱ͕ଟ͍
  16. ը૾Λ෮ݩ͢ΔۭؒϑΟϧλΛߟ͑Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + Γ ෮ݩը૾ɹɹɹͱݪը૾ɹɹɹͷޡࠩΛ࠷খʹ͢ΔΑ͏ͳϑΟϧλ Kw (u, v) ̂ f(x, y) f(x, y) 
  17. ϵΛมԽͤ͞Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + Γ ਤ ൃࢄͯ͠͠·͍ըૉ஋͕ൃࢄ͍ͯ͠Δ θϩ఺ΛؚΜͰ͍ΔͨΊ
  18. ϵΛมԽͤ͞Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + Γ ਤ ൃࢄͯ͠͠·͍ըૉ஋͕ൃࢄ͍ͯ͠Δ θϩ఺ΛؚΜͰ͍ΔͨΊ ൃࢄ͍ͯ͠ͳ͍
  19. ϵΛมԽͤ͞Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + Γ ਤ ઱Ӷʹ෮ݩ͸͞ΕΔ ϊΠζ͸૿෯͢Δ ϊΠζ͸૿෯͞Εͳ͍ ΅͚ɾͿΕͷ෮ݩ͕؁͍
  20. ϵΛมԽͤ͞Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + Γ ਤ ઱Ӷʹ෮ݩ͸͞ΕΔ ϊΠζ͸૿෯͢Δ ϊΠζ͸૿෯͞Εͳ͍ ΅͚ɾͿΕͷ෮ݩ͕؁͍ ϵ͕େ͖͘ͳΔͱ෼฼͕େ͖͘ͳΔͷͰ
  21. ϵΛมԽͤ͞Δ Kw (u, v) = 1 H(u, v) |H(u, v)|2

    |H(u, v)|2 + Γ ਤ ઱Ӷʹ෮ݩ͸͞ΕΔ ϊΠζ͸૿෯͢Δ ϊΠζ͸૿෯͞Εͳ͍ ΅͚ɾͿΕͷ෮ݩ͕؁͍ ϵ͕େ͖͘ͳΔͱ෼฼͕େ͖͘ͳΔͷͰ ͜͜ͷ஋͕খ͘͞ͳͬͯ͋·ΓϑΟϧλ͕ޮ͔ͳ͘ͳΔ