WETZSTEIN, Gordon; IHRKE, Ivo; HEIDRICH, Wolfgang

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IHRKE, Ivo
Melting the frontiers between Light, Shape and Matter [MANAO]
Laboratoire Photonique, Numérique et Nanosciences [LP2N]
Laboratoire Bordelais de Recherche en Informatique [LaBRI]

HEIDRICH, Wolfgang
Computer Science Department [UBC-Computer Science]

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International Journal of Computer Vision. 2013, vol. 101, n° 2, p. 384--400

Springer Verlag

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Photography has been striving to capture an ever increasing amount of visual information in a single image. Digital sensors, however, are limited to recording a small subset of the desired information at each pixel. A common approach to overcoming the limitations of sensing hardware is the optical multiplexing of high-dimensional data into a photograph. While this is a well-studied topic for imaging with color filter arrays, we develop a mathematical framework that generalizes multiplexed imaging to all dimensions of the plenoptic function. This framework unifies a wide variety of existing approaches to analyze and reconstruct multiplexed data in either the spatial or the frequency domain. We demonstrate many practical applications of our framework including high-quality light field reconstruction, the first comparative noise analysis of light field attenuation masks, and an analysis of aliasing in multiplexing applications.< Leer menos

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On Plenoptic Multiplexing and Reconstruction

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