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Journal of Electronic Imaging

Contrast sensitivity function in stereoscopic viewing of Gabor patches on a medical polarized three-dimensional stereoscopic display
Author(s): Johanna Rousson; Jérémy Haar; Sarah Santal; Asli Kumcu; Ljiljana Platiša; Bastian Piepers; Tom R. L. Kimpe; Wilfried Philips
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Paper Abstract

While three-dimensional (3-D) imaging systems are entering hospitals, no study to date has explored the luminance calibration needs of 3-D stereoscopic diagnostic displays and if they differ from two-dimensional (2-D) displays. Since medical display calibration incorporates the human contrast sensitivity function (CSF), we first assessed the 2-D CSF for benchmarking and then examined the impact of two image parameters on the 3-D stereoscopic CSF: (1) five depth plane (DP) positions (between DP: −171 and DP: 2853 mm), and (2) three 3-D inclinations (0 deg, 45 deg, and 60 deg around the horizontal axis of a DP). Stimuli were stereoscopic images of a vertically oriented 2-D Gabor patch at one of seven frequencies ranging from 0.4 to 10  cycles/deg. CSFs were measured for seven to nine human observers with a staircase procedure. The results indicate that the 2-D CSF model remains valid for a 3-D stereoscopic display regardless of the amount of disparity between the stereo images. We also found that the 3-D CSF at DP≠0 does not differ from the 3-D CSF at DP=0 for DPs and disparities which allow effortless binocular fusion. Therefore, the existing 2-D medical luminance calibration algorithm remains an appropriate tool for calibrating polarized stereoscopic medical displays.

Paper Details

Date Published: 28 March 2016
PDF: 15 pages
J. Electron. Imaging. 25(2) 023014 doi: 10.1117/1.JEI.25.2.023014
Published in: Journal of Electronic Imaging Volume 25, Issue 2
Show Author Affiliations
Johanna Rousson, Barco N.V. (Belgium)
Univ. Ghent (Belgium)
Jérémy Haar, Barco N.V. (Belgium)
Sarah Santal, Barco N.V. (Belgium)
Asli Kumcu, Univ. Gent (Belgium)
Ljiljana Platiša, Univ. Gent (Belgium)
Bastian Piepers, Barco N.V. (Belgium)
Tom R. L. Kimpe, Barco N.V. (Belgium)
Wilfried Philips, Univ. Gent (Belgium)

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