Title

Visibility-driven progressive volume photon tracing

Authors

Authors

C. Collin; M. Ribardiere; A. Gruson; R. Cozot; S. Pattanaik;K. Bouatouch

Comments

Authors: contact us about adding a copy of your work at STARS@ucf.edu

Abbreviated Journal Title

Visual Comput.

Keywords

Rendering; Global illumination; Participating media; Markov chain Monte; Carlo; Computer Science, Software Engineering

Abstract

In this paper, we present a novel approach to progressive photon-based volume rendering techniques. By making use of two Kd-trees (built in a preprocessing step) to store view beams (primary rays intersecting the medium) and visible points, our method allows to handle scenes with specular and refractive objects as well as homogeneous and heterogeneous participating media and does not require the storage of photon maps, which solves the memory management issue. These data structures are used to drive the photon shooting process by considering the photon visibility as an importance function (similarly to Hachisuka and Jensen in ACM Trans. Graph. 30(5):114:1-114:11, 2011) for scenes containing participating media. Finally, we demonstrate that our method can be easily combined with the most recent particle tracing approaches such as the one presented in Jarosz et al. (ACM Trans. Graph., vol. 30(6), 2011).

Journal Title

Visual Computer

Volume

29

Issue/Number

9

Publication Date

1-1-2013

Document Type

Article

Language

English

First Page

849

Last Page

859

WOS Identifier

WOS:000322018100001

ISSN

0178-2789

Share

COinS