Large environment rendering using plenoptic primitives

One of the most difficult tasks in computer graphics is to enable virtual walkthroughs in very large and complicated environments that are photorealistic, seamless, and in real time. Current image-based rendering techniques, while capable of photorealism and interactive speeds, have failed in practi...

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Bibliographic Details
Published in:IEEE transactions on circuits and systems for video technology 2003-11, Vol.13 (11), p.1064-1073
Main Authors: Kang, Sing Bing, Wu, Minsheng, Li, Yin, Shum, Heung-Yeung
Format: Article
Language:English
Subjects:
Asia
Cameras
Circuits
Collision mitigation
Computer graphics
Geometry
Image databases
Interactive
Layout
Photorealistic
Polypropylenes
Rendering
Rendering (computer graphics)
Representations
Tasks
Virtual environment
Visual
Visualization
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Summary:One of the most difficult tasks in computer graphics is to enable virtual walkthroughs in very large and complicated environments that are photorealistic, seamless, and in real time. Current image-based rendering techniques, while capable of photorealism and interactive speeds, have failed in practice to extend to visualizations of such environments. We demonstrate an approach that defines a virtual walkthrough experience using plenoptic primitives (PPs). A PP can be any type of local visual experience: 360/spl deg/ static panorama, panoramic video (PV), lumigraph/light field representation, or concentric mosaics (CMs). By combining them judiciously, user experience can be authored with significantly reduced effort while maintaining high-quality user experience. We illustrate our technique on synthetic and real environments using PVs and CMs and show how the problem of achieving smooth transitions among PVs and CMs can be solved by using position-dependent local geometries.
ISSN:1051-8215
1558-2205
DOI:10.1109/TCSVT.2003.817357