Title: A layered depth-of-field method for solving partial occlusion
Authors: Schedl, David C.
Wimmer, Michael
Citation: Journal of WSCG. 2012, vol. 20, no. 3, p. 239-246.
Issue Date: 2012
Publisher: Václav Skala - UNION Agency
Document type: článek
URI: http://wscg.zcu.cz/WSCG2012/!_2012-Journal-Full-3.pdf
ISSN: 1213–6972 (hardcopy)
1213–6980 (CD-ROM)
1213–6964 (on-line)
Keywords: hloubka pole;vykreslování;částečná okluze
Keywords in different language: depth of field;rendering;partial occlusion
Abstract: Depth of field (DoF) represents a distance range around a focal plane, where objects on an image are crisp. DoF is one of the effects which significantly contributes to the photorealism of images and therefore is often simulated in rendered images. Various methods for simulating DoF have been proposed so far, but little tackle the issue of partial occlusion: Blurry objects near the camera are semi-transparent and result in partially visible background objects. This effect is strongly apparent in miniature and macro photography. In this work a DoF method is presented which simulates partial occlusion. The contribution of this work is a layered method where the scene is rendered into layers. Blurring is done efficiently with recursive Gaussian filters. Due to the usage of Gaussian filters big artifact-free blurring radii can be simulated at reasonable costs.
Rights: © Václav Skala - UNION Agency
Appears in Collections:Number 3 (2012)

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Please use this identifier to cite or link to this item: http://hdl.handle.net/11025/1086

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