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Wavelet Applications for Rendering Speaker: Yung Chum Lu.

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Presentation on theme: "Wavelet Applications for Rendering Speaker: Yung Chum Lu."— Presentation transcript:

1 Wavelet Applications for Rendering Speaker: Yung Chum Lu

2 Outline Introduction of Rendering Application I Application II Review Haar Something Interesting

3 Rendering

4 Story Board

5 Create a 2D picture of a 3D world

6 Ray Tracing

7 Direct Illumination

8

9

10

11

12 point light Path Tracing point light

13 Direct Illumination

14 Path Tracing

15 Pixar

16 Why Ray Tracing

17 Tron

18 Review of 1-D Haar Mother Basis General Basis Scaled Basis 01 1 0101

19 Property 1 01 1 01

20 Property 2 01 1

21 Property 3 0101

22 Application I Triple Product Wavelet Integrals for All-Frequency Relighting Ren Ng Stanford University Ravi Ramamoorthi Columbia University Pat Hanrahan Stanford University

23 Triple Core Problem

24 Double Product Integral

25 Triple Product Integral

26 2-D Haar 01 01 1

27 Triple Product Integral in 2-D Haar

28 Preliminaries

29 All three basis are wavelet

30 Some are scaling function

31 Application II Wavelet Importance Sampling: Efficiently Evaluating Products of Complex Functions Petrik Clarberg Lund University / UC San Diego Wojciech Jarosz UC San Diego Tomas Akenine-M¨oller Lund University Henrik Wann Jensen UC San Diego

32 The Core Problem

33

34 Warping

35 Generalized Wavelet Product

36 Light Field Camera Ren Ng


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