Image crosstalk reduction in stereoscopic laser-based display systems

Image cross talk is a problem specific to stereoscopic display, which influences the conspicuity of “ghost images” and the development of asthenopia. The higher the image cross talk, the lower the visual comfort for the observer, who may suffer from eye strain and headaches. The stereoscopic laser-based display system presented uses processing to provide command variables for the optical modulation device from the pixel intensities of both views of the stereo pairs. Two processing solutions, one minimizing the quadratic error and the other one canceling the image cross talk, are developed and compared using original evaluation tools. Finally, by comparing numerical results and the visual effects obtained with tests on stereo pairs, the presented results show objectively that the second processing solution is preferable. © 2003 SPIE and IS&T.

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