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Contrast sensitivity function in stereoscopic viewing of Gabor patches on a medical polarized three-dimensional stereoscopic display

[+] Author Affiliations
Johanna Rousson

Barco NV, President Kennedypark 35, Kortrijk, 8500, Belgium

Ghent University, iMinds-IPI-TELIN, St-Pietersnieuwstraat 41, Ghent, 9000, Belgium

Jérémy Haar, Sarah Santal, Bastian Piepers, Tom Kimpe

Barco NV, President Kennedypark 35, Kortrijk, 8500, Belgium

Asli Kumcu, Ljiljana Platiša, Wilfried Philips

Ghent University, iMinds-IPI-TELIN, St-Pietersnieuwstraat 41, Ghent, 9000, Belgium

J. Electron. Imaging. 25(2), 023014 (Mar 28, 2016). doi:10.1117/1.JEI.25.2.023014
History: Received April 23, 2015; Accepted February 29, 2016
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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 DP0 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.

© 2016 SPIE and IS&T

Citation

Johanna Rousson ; Jérémy Haar ; Sarah Santal ; Asli Kumcu ; Ljiljana Platiša, et al.
"Contrast sensitivity function in stereoscopic viewing of Gabor patches on a medical polarized three-dimensional stereoscopic display", J. Electron. Imaging. 25(2), 023014 (Mar 28, 2016). ; http://dx.doi.org/10.1117/1.JEI.25.2.023014


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