Illumination from curved reflectors
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
An improved illumination model for shaded display
Communications of the ACM
Practical ray tracing of trimmed NURBS surfaces
Journal of Graphics Tools
Virtual Eye: Retinal Image Visualization of the Human Eye
IEEE Computer Graphics and Applications
SIGGRAPH '84 Proceedings of the 11th annual conference on Computer graphics and interactive techniques
APGV '04 Proceedings of the 1st Symposium on Applied perception in graphics and visualization
Understanding the efficiency of ray traversal on GPUs
Proceedings of the Conference on High Performance Graphics 2009
OptiX: a general purpose ray tracing engine
ACM SIGGRAPH 2010 papers
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We present a novel approach that allows real-time simulation of human vision through eyeglasses. Our system supports glasses that are composed of a combination of spheric, toric and in particular of free-form surfaces. In order to obtain eye accommodation we perform wavefront tracing on the GPU. Defocus is achieved either by progressive distributed ray tracing of the eye lens (accurate) or by approximate blurring according to the obtained wavefront parameters. While the first variant is best suited guiding lens manufacturers during the design process of lenses, we consider the second approach ideal for giving customers a real-time impression of customized virtual spectacles in eye shops. Additionally, we visualize refractive power and effective astigmatism of incident wavefronts. That allows quality assessment of special purpose lenses such as reading or sport glasses in particular scene environments.