Pathtracing technics for Caustics

This slide is made for a seminar in Raytracing Camp 8.
introducts pathtracing technics for Caustics:
- Manifold Exploration
- Manifold Next Event Estimation
- Specular Manifold Sampling
and instance of Shadow Caustics in Blender.

Transcript

3. Causticsとは？ Causticsのレンダリング手法と問題点 Manifold Exploration Manifold NEE Specular Manifold Sampling BlenderのCaustics Rendering
7. https://twitter.com/ykozw88/status/1565215456272990214 より引用
9. Specular
10. Specular
11. Specular 密 疎
16. 100spp Reference 10000spp
17. Specular Light Diffuse
18. Specular Diffuse Light
19. Specular Diffuse Light
20. Specular Diffuse Light
21. Specular Diffuse Light
22. Specular Diffuse Light
25. https://twitter.com/yumcyawiz/status/1472510775856340994 より引用
45. 𝑆 = 𝑥1 , 𝑥2 , 𝑥3 , 𝑥4 , 𝑥5 ∈ 𝑃 𝑥2 𝑥3 + 𝑥3 𝑥4 ∥ 𝑁(𝑥3 )} Specularの条件
46. 𝑆 = 𝑥1 , 𝑥2 , 𝑥3 , 𝑥4 , 𝑥5 ∈ 𝑃 𝑥2 𝑥3 + 𝑥3 𝑥4 ∥ 𝑁(𝑥3 )} Specularの条件
48. 法線n ハーフベクトルh 正しくない 法線n ハーフベクトルh 正しい
49. 法線 n ハーフベクトルh 投影したh 正しくない 法線 n ハーフベクトルh 正しい
52. 𝑆 = ҧ 𝑥 𝐶 ҧ 𝑥 = 0}
76. Light Diffuse Specular 𝑥𝑑
77. Light Diffuse Specular 𝑥𝑑 𝑥𝑙
78. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑥𝑠 SeedPath
79. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑥𝑠
80. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑥𝑠 𝐶 ҧ 𝑥 = 0
81. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑥𝑠 SeedPath Admissible Path
85. Light Diffuse Specular 𝑥𝑑 𝑥𝑙
86. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑋2 𝑌
87. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑋2 𝑌
88. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑋2 𝑌
89. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑋2 𝑌
90. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑌
91. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑌
92. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑌
93. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑌
94. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑌
97. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑥𝑠 𝑥𝑠 (𝜉1 , 𝜉2) = ([0,1),[0,1)) 𝜉1 , 𝜉2 で移動する
98. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑋2 𝑌
99. Light Diffuse Specular 𝑥𝑑 𝑥𝑙 𝑋1 𝑋2 𝑌
104. 𝑧3 − 1 = 0のニュートンフラクタル
105. 𝑧3 − 1 = 0のニュートンフラクタル
132. https://youtu.be/Popg7ej4AUU Beautiful Results From 30 Years Of Light Transport Simulation!
134. https://www.blender.org/download/releases/3-2/