17 February 2009 A new way to characterize autostereoscopic 3D displays using Fourier optics instrument
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Abstract
Auto-stereoscopic 3D displays offer presently the most attractive solution for entertainment and media consumption. Despite many studies devoted to this type of technology, efficient characterization methods are still missing. We present here an innovative optical method based on high angular resolution viewing angle measurements with Fourier optics instrument. This type of instrument allows measuring the full viewing angle aperture of the display very rapidly and accurately. The system used in the study presents a very high angular resolution below 0.04 degree which is mandatory for this type of characterization. We can predict from the luminance or color viewing angle measurements of the different views of the 3D display what will be seen by an observer at any position in front of the display. Quality criteria are derived both for 3D and standard properties at any observer position and Qualified Stereo Viewing Space (QSVS) is determined. The use of viewing angle measurements at different locations on the display surface during the observer computation gives more realistic estimation of QSVS and ensures its validity for the entire display surface. Optimum viewing position, viewing freedom, color shifts and standard parameters are also quantified. Simulation of the moire issues can be made leading to a better understanding of their origin.
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P. Boher, T. Leroux, T. Bignon, V. Collomb-Patton, "A new way to characterize autostereoscopic 3D displays using Fourier optics instrument", Proc. SPIE 7237, Stereoscopic Displays and Applications XX, 72370Z (17 February 2009); doi: 10.1117/12.806774; https://doi.org/10.1117/12.806774
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