Calibration of high dynamic range images for applied color and lighting research.

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ID: 79195
2019
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Abstract
The main objective of this work is to determine the most appropriate high dynamic range picture calibration procedure for measuring luminance and color, in the context of architecture. Three professional digital single-lens reflex cameras fitted with fisheye lenses were tested. Photometric and colorimetric accuracy was assessed in comparison with spectroradiometer measurements of 57 color samples (Macbeth chart and additional Munsell samples). The results demonstrate that using a calibration model specific to the camera-lens association rather than the standardized RGB to XYZ color transform matrix is necessary to achieve an acceptable colorimetric accuracy. Moreover, using a specific color transform matrix reduces the error in luminance, especially for colorful elements. The study also shows the opportunity to share the same color transform matrix between similar photographic materials (same brand and model). Finally, among the three tested devices, one camera-lens association has higher performance and produces better quality QuickTime Virtual Reality panoramas.
Reference Key
cauwerts2019calibrationjournal Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Cauwerts, Coralie;Jost, Sophie;Deroisy, Bertrand;
Journal journal of the optical society of america a, optics, image science, and vision
Year 2019
DOI
10.1364/JOSAA.36.00C130
URL
Keywords
oncology pharmaceuticals decision making health technology assessment (hta) value assessment advance value framework (avf) decision conference multiple criteria decision analysis (mcda)

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