Bokeh Rendering with a Physical Lens

Liu, Xin; Rokne, Jon

Bokeh Rendering with a Physical Lens

Files

023-028.pdf (1.46 MB)

Date

2012

Authors

Liu, Xin
Rokne, Jon

Publisher

The Eurographics Association

Abstract

Bokeh is important for the realism and aesthetics of graphical rendering, but hard to simulate. In this paper, we propose a novel method that conceptually shoots a 3D display with a physical camera. While a high-quality 3D display is not available, we render the 3D scene layer by layer on a 2D display, and shoot each rendered layer with a physical camera whose focus is adjusted to produce the right amount of blurs. The pure colours and opacities of each layer are extracted by a matting technique and then combined into a single image by alpha blending. The proposed method provides an alternative to bokeh simulation by purely computational algorithms.

        @inproceedings{10.2312:PE/PG/PG2012short/023-028
,
booktitle = {Pacific Graphics Short Papers
},
editor = {Chris Bregler and Pedro Sander and Michael Wimmer
},
title = {{Bokeh Rendering with a Physical Lens
}},
author = {Liu, Xin and 
Rokne, Jon
},
year = {2012
},
publisher = {The Eurographics Association
},
ISBN = {978-3-905673-94-4
},
DOI = {10.2312/PE/PG/PG2012short/023-028
}
}