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1 Journal of Theoretical and Applied Computer Science

1 2016

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Fast Depth Image Based Rendering for synthetic frame extrapolation

Meder J., Brüderlin B.

Journal of Theoretical and Applied Computer Science

2016

Vol. 10, nr 3

3--18

A persistent problem of interactive computer graphics is feasible rendering of massive (hundreds of millions of primitives) scenes with hardware capabilities and scene data size concurrently growing. While past attempts yielded algorithms and systems achieving realtime frame rates on basic consumer workstations, the display updates can still be too temporally sparse (depending on the scene and underlying hardware) for some applications. Both the professional CAD industry and other sectors like entertainment show a growing demand for stable high frame rates, for example equal or above the 60hz mark. Common reasons for this are increased visual comfortability and less user irritation due to reduced input lag. The work described in this paper focuses on fulfilling this demand in the context of CAD software. A fast custom application of the Depth Image Based Rendering (DIBR) technique is used to construct a view synthesis system, which generates a view image sequence at the required rate using past frames of a classical renderer running in parallel. Artifacts typically associated with this technique are also addressed in a cost-effective manner.