Imaging artifact precompensation for spatially multiplexed 3-D displays

Joshua Napoli; Sourav R. Dey; Sandy Stutsman; Oliver S. Cossairt; Thomas J. Purtell II; Samuel L. Hill; Gregg E. Favalora

doi:10.1117/12.767314

19 March 2008 Imaging artifact precompensation for spatially multiplexed 3-D displays

Joshua Napoli, Sourav R. Dey, Sandy Stutsman, Oliver S. Cossairt, Thomas J. Purtell II, Samuel L. Hill, Gregg E. Favalora

Author Affiliations +

Proceedings Volume 6803, Stereoscopic Displays and Applications XIX; 680304 (2008) https://doi.org/10.1117/12.767314
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

We describe a projection system that presents a 20 megapixel image using a single XGA SLM and time-division multiplexing. The system can be configured as a high-resolution 2-D display or a highly multi-view horizontal parallax display. In this paper, we present a technique for characterizing the light transport function of the display and for precompensating the image for the measured transport function. The techniques can improve the effective quality of the display without modifying its optics. Precompensation is achieved by approximately solving a quadratic optimization problem. Compared to a linear filter, this technique is not limited by a fixed kernel size and can propagate image detail to all related pixels. Large pixel-count images are supported through dividing the problem into blocks. A remedy for blocking artifacts is given. Results of the algorithm are presented based on simulations of a display design. The display characterization method is suitable for experimental designs that may be dim and imperfectly aligned. Simulated results of the characterization and precompensation process are presented. RMS and qualitative improvement of display image quality are demonstrated.

Citation Download Citation

Joshua Napoli, Sourav R. Dey, Sandy Stutsman, Oliver S. Cossairt, Thomas J. Purtell II, Samuel L. Hill, and Gregg E. Favalora "Imaging artifact precompensation for spatially multiplexed 3-D displays", Proc. SPIE 6803, Stereoscopic Displays and Applications XIX, 680304 (19 March 2008); https://doi.org/10.1117/12.767314

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