Point-Based Color Bleeding with Volumes

<p>The interaction of light in our world is immensely complex, but with mod-</p> <p>ern computers and advanced rendering algorithms, we are beginning to reach</p> <p>the point where photo-realistic renders are truly difficult to separate from real</p> <p>photographs. Achieving realistic or believable global illumination in scenes with</p> <p>participating media is exponentially more expensive compared to our traditional</p> <p>polygonal methods. Light interacts with the particles of a volume, creating com-</p> <p>plex radiance patterns.</p> <p>In this thesis, we introduce an extension to the commonly used point-based</p> <p>color bleeding (PCB) technique, implementing volume scatter contributions. With</p> <p>the addition of this PCB algorithm extension, we are able to render fast, be-</p> <p>lievable in- and out-scattering while building on existing data structures and</p> <p>paradigms.</p> <p>The proposed method achieves results comparable to that of existing Monte</p> <p>Carlo integration methods, obtaining render speeds between 10 and 36 times</p> <p>faster while keeping memory overhead under 5%.</p>

Name thesis:degree_name

MS in Computer Science

Discipline thesis:degree_discipline

Computer Science

Year dc:date.available

2011

Author dc:creator

• Gibson, Christopher J

Contributors dc:contributor

• Zoë Wood

• Volume
• Rendering
• Monte Carlo
• Ray Tracing
• Graphics
• Global Illumination
• Graphics and Human Computer Interfaces

Identifier

10.15368/theses.2011.90

OAI identifier oai:identifier

oai:digitalcommons.calpoly.edu:theses-1564