Design and Fabrication of Faceted Mirror Arrays for Light Field Capture

The high resolution of digital cameras has made single‐shot, single‐sensor acquisition of light fields feasible, though considerable design effort is still necessary in order to construct the necessary collection of optical elements for particular acquisition scenarios. This paper explores a pipelin...

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Vydáno v:Computer graphics forum Ročník 32; číslo 8; s. 246 - 257
Hlavní autoři: Fuchs, Martin, Kächele, Markus, Rusinkiewicz, Szymon
Médium: Journal Article
Jazyk:angličtina
Vydáno: Oxford Blackwell Publishing Ltd 01.12.2013
Témata:
2012 Computing Methodologies
Acquisitions
Analysis
Artificial Intelligence
catadioptric
Computational Photography
Computer graphics
Computer Vision
Design
Digital cameras
Digitization and Image Capture
fabrication
I.4.1 Image Processing and Computer Vision
Image and Video Acquisition
Imaging geometry
light field recording
mirror design
Mirrors
Studies
ISSN:0167-7055, 1467-8659
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Shrnutí:The high resolution of digital cameras has made single‐shot, single‐sensor acquisition of light fields feasible, though considerable design effort is still necessary in order to construct the necessary collection of optical elements for particular acquisition scenarios. This paper explores a pipeline for designing, fabricating and utilizing faceted mirror arrays which simplifies this task. The foundation of the pipeline is an interactive tool that automatically optimizes for mirror designs while exposing to the user a set of intuitive parameters for light field quality and manufacturing constraints. We investigate two manufacturing processes for automatic fabrication of the resulting designs: one is based on CNC milling, polishing, and plating of one solid work piece, while the other involves assembly of CNC‐cut mirror facets. We demonstrate results for refocusing in a macro photography scenario. In addition, we observe that traditional photographic parameters take novel roles in the faceted mirror array setup and discuss their influence. The high resolution of digital cameras has made single‐shot, single‐sensor acquisition of light fields feasible, though considerable design effort is still necessary in order to construct the necessary collection of optical elements for particular acquisition scenarios. This paper explores a pipeline for designing, fabricating, and utilizing faceted mirror arrays which simplifies this task. The foundation of the pipeline is an interactive tool that automatically optimizes for mirror designs while exposing to the user a set of intuitive parameters for light field quality and manufacturing constraints. We investigate two manufacturing processes for automatic fabrication of the resulting designs: one is based on CNC milling, polishing, and plating of one solid work piece, while the other involves assembly of CNC‐cut mirror facets.
Bibliografie:ArticleID:CGF12201
istex:8133D6616120C62000252CA9B01AC52407C25128
US NSF - No. #CCF-1012147
German Academic Exchange Service (DAAD)
ark:/67375/WNG-CM0CD59M-Q
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 14
ObjectType-Article-2
content type line 23
ISSN:0167-7055
1467-8659
DOI:10.1111/cgf.12201