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Title:
rendering realistic spectral bokeh due to lens stops and aberrations
Author: Wu Jiaze ; Zheng Changwen ; Hu Xiaohui ; Xu Fanjiang
Keyword: Dispersion (waves) ; Lenses
Source: Visual Computer
Issued Date: 2012
Volume: 29, Issue:1, Pages:1-12
Indexed Type: EI
Department: (1) National Key Laboratory of Integrated Information System Technology Institute of Software Chinese Academy of Sciences Beijing China; (2) Graduate University of Chinese Academy of Sciences Beijing China
Abstract: Creating bokeh effect in synthesized images can improve photorealism and emphasize interesting subjects. Therefore, we present a novel method for rendering realistic bokeh effects, especially chromatic effects, which are absent for existing methods. This new method refers to two key techniques: an accurate dispersive lens model and an efficient spectral rendering scheme. This lens model is implemented based on optical data of real lenses and considers wavelength dependency of physical lenses by introducing a sequential dispersive ray tracing algorithm inside this model. This spectral rendering scheme is proposed to support rendering of lens dispersion and integration between this new model and bidirectional ray tracing. The rendering experiments demonstrate that our method is able to simulate realistic spectral bokeh effects caused by lens stops and aberrations, especially chromatic aberration, and feature high rendering efficiency. © 2012 Springer-Verlag.
English Abstract: Creating bokeh effect in synthesized images can improve photorealism and emphasize interesting subjects. Therefore, we present a novel method for rendering realistic bokeh effects, especially chromatic effects, which are absent for existing methods. This new method refers to two key techniques: an accurate dispersive lens model and an efficient spectral rendering scheme. This lens model is implemented based on optical data of real lenses and considers wavelength dependency of physical lenses by introducing a sequential dispersive ray tracing algorithm inside this model. This spectral rendering scheme is proposed to support rendering of lens dispersion and integration between this new model and bidirectional ray tracing. The rendering experiments demonstrate that our method is able to simulate realistic spectral bokeh effects caused by lens stops and aberrations, especially chromatic aberration, and feature high rendering efficiency. © 2012 Springer-Verlag.
Language: 英语
WOS ID: WOS:000313063400004
Citation statistics:
Content Type: 期刊论文
URI: http://ir.iscas.ac.cn/handle/311060/14923
Appears in Collections:软件所图书馆_期刊论文

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Recommended Citation:
Wu Jiaze,Zheng Changwen,Hu Xiaohui,et al. rendering realistic spectral bokeh due to lens stops and aberrations[J]. Visual Computer,2012-01-01,29(1):1-12.
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