Optical Filtering for Near Field Photometry with High Order Basis

Xavier Granier 1, 2, * Michael Goesele 3 Wolfgang Heidrich 4 Hans-Peter Seidel 5
* Corresponding author
1 IPARLA - Visualization and manipulation of complex data on wireless mobile devices
INRIA Futurs, Université Sciences et Technologies - Bordeaux 1, École Nationale Supérieure d'Électronique, Informatique et Radiocommunications de Bordeaux (ENSEIRB), CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : Accurately capturing the near field emission of complex luminaires is still very difficult. In this paper, we describe a new acquisition pipeline of such luminaires that performs an orthogonal projection on a given basis in a two-step procedure. First, we use an optical low-pass filter that corresponds to the reconstruction basis to guarantee high precision measurements. The second step is a numerical process on the acquired data that finalizes the projection. Based on this concept, we introduce new experimental setups for automatic acquisition and perform a detailed error analysis of the acquisition process.
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Submitted on : Monday, October 23, 2006 - 9:52:20 AM
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Xavier Granier, Michael Goesele, Wolfgang Heidrich, Hans-Peter Seidel. Optical Filtering for Near Field Photometry with High Order Basis. [Research Report] RR-6000, INRIA. 2006. ⟨inria-00107463v2⟩

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