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Pathtracing technics for Caustics

Avatar for kinakomoti-321 kinakomoti-321
September 05, 2022
Research
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Pathtracing technics forย 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.

Avatar for kinakomoti-321

kinakomoti-321

September 05, 2022
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Transcript

  1. None
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  3. Causticsใจใฏ๏ผŸ Causticsใฎใƒฌใƒณใƒ€ใƒชใƒณใ‚ฐๆ‰‹ๆณ•ใจๅ•้กŒ็‚น Manifold Exploration Manifold NEE Specular Manifold Sampling BlenderใฎCaustics

    Rendering
  4. None
  5. None
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  7. https://twitter.com/ykozw88/status/1565215456272990214 ใ‚ˆใ‚Šๅผ•็”จ

  8. None

  9. Specular

  10. Specular

  11. Specular ๅฏ† ็–Ž

  12. None
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  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

  23. None
  24. None

  25. https://twitter.com/yumcyawiz/status/1472510775856340994 ใ‚ˆใ‚Šๅผ•็”จ

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  45. ๐‘† = ๐‘ฅ1 , ๐‘ฅ2 , ๐‘ฅ3 , ๐‘ฅ4 ,

    ๐‘ฅ5 โˆˆ ๐‘ƒ ๐‘ฅ2 ๐‘ฅ3 + ๐‘ฅ3 ๐‘ฅ4 โˆฅ ๐‘(๐‘ฅ3 )} Specularใฎๆกไปถ

  46. ๐‘† = ๐‘ฅ1 , ๐‘ฅ2 , ๐‘ฅ3 , ๐‘ฅ4 ,

    ๐‘ฅ5 โˆˆ ๐‘ƒ ๐‘ฅ2 ๐‘ฅ3 + ๐‘ฅ3 ๐‘ฅ4 โˆฅ ๐‘(๐‘ฅ3 )} Specularใฎๆกไปถ
  47. None

  48. ๆณ•็ทšn ใƒใƒผใƒ•ใƒ™ใ‚ฏใƒˆใƒซh ๆญฃใ—ใใชใ„ ๆณ•็ทšn ใƒใƒผใƒ•ใƒ™ใ‚ฏใƒˆใƒซh ๆญฃใ—ใ„

  49. ๆณ•็ทš n ใƒใƒผใƒ•ใƒ™ใ‚ฏใƒˆใƒซh ๆŠ•ๅฝฑใ—ใŸh ๆญฃใ—ใใชใ„ ๆณ•็ทš n ใƒใƒผใƒ•ใƒ™ใ‚ฏใƒˆใƒซh ๆญฃใ—ใ„

  50. None
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  52. ๐‘† = าง ๐‘ฅ ๐ถ าง ๐‘ฅ = 0}

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  76. Light Diffuse Specular ๐‘ฅ๐‘‘

  77. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™

  78. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘ฅ๐‘  SeedPath

  79. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘ฅ๐‘ 

  80. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘ฅ๐‘  ๐ถ าง ๐‘ฅ =

    0

  81. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘ฅ๐‘  SeedPath Admissible Path

  82. None
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  85. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™

  86. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘‹2 ๐‘Œ

  87. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘‹2 ๐‘Œ

  88. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘‹2 ๐‘Œ

  89. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘‹2 ๐‘Œ

  90. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘Œ

  91. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘Œ

  92. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘Œ

  93. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘Œ

  94. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘Œ

  95. None
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  97. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘ฅ๐‘  ๐‘ฅ๐‘  (๐œ‰1 , ๐œ‰2)

    = ([0,1),[0,1)) ๐œ‰1 , ๐œ‰2 ใง็งปๅ‹•ใ™ใ‚‹

  98. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘‹2 ๐‘Œ

  99. Light Diffuse Specular ๐‘ฅ๐‘‘ ๐‘ฅ๐‘™ ๐‘‹1 ๐‘‹2 ๐‘Œ

  100. None
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  104. ๐‘ง3 โˆ’ 1 = 0ใฎใƒ‹ใƒฅใƒผใƒˆใƒณใƒ•ใƒฉใ‚ฏใ‚ฟใƒซ

  105. ๐‘ง3 โˆ’ 1 = 0ใฎใƒ‹ใƒฅใƒผใƒˆใƒณใƒ•ใƒฉใ‚ฏใ‚ฟใƒซ

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  132. https://youtu.be/Popg7ej4AUU Beautiful Results From 30 Years Of Light Transport Simulation!

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  134. https://www.blender.org/download/releases/3-2/

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