A realistic camera model for computer graphics
SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
Game Programming Gems 2
Interactive rendering of caustics using interpolated warped volumes
GI '05 Proceedings of Graphics Interface 2005
Real-time lens blur effects and focus control
ACM SIGGRAPH 2010 papers
Multidimensional image retargeting
SIGGRAPH Asia 2011 Courses
Polynomial Optics: A Construction Kit for Efficient Ray-Tracing of Lens Systems
Computer Graphics Forum
A comprehensive geometrical optics application for wave rendering
Graphical Models
Practical real-time lens-flare rendering
EGSR '13 Proceedings of the Eurographics Symposium on Rendering
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Lens flare is caused by light passing through a photographic lens system in an unintended way. Often considered a degrading artifact, it has become a crucial component for realistic imagery and an artistic means that can even lead to an increased perceived brightness. So far, only costly offline processes allowed for convincing simulations of the complex light interactions. In this paper, we present a novel method to interactively compute physically-plausible flare renderings for photographic lenses. The underlying model covers many components that are important for realism, such as imperfections, chromatic and geometric lens aberrations, and antireflective lens coatings. Various acceleration strategies allow for a performance/quality tradeoff, making our technique applicable both in real-time applications and in high-quality production rendering. We further outline artistic extensions to our system.