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Optical Components, Detectors, and Displays

New image multiplexing scheme for compensating lens mismatch and viewing zone shifts in three-dimensional lenticular displays

[+] Author Affiliations
Yun-Gu Lee

Korea Advanced Institute of Science and Technology (KAIST),School of EECS, 371-1 Guseongdong, Yuseonggu, Daejeon 305-701, South Korea

Jong Beom Ra

Korea Advanced Institute of Science and Technology (KAIST),School of EECS, 371-1 Guseongdong, Yuseonggu, Daejeon 305-701, South Korea

Opt. Eng. 48(4), 044001 (April 20, 2009). doi:10.1117/1.3116705
History: Received October 12, 2008; Revised February 02, 2009; Accepted February 10, 2009; Published April 20, 2009
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A lenticular system provides optimal display quality when a homogeneous lenticular sheet is precisely aligned on LCD subpixels and when a viewer is located within a predetermined viewing zone. In practice, however, many lenticular systems suffer from image distortion due to misalignment or inhomogeneity of the lenticular sheet. To alleviate such distortion, we propose a new multiplexing algorithm. The proposed algorithm first obtains the geometric relationship between LCD subpixels and lenticules by using various pattern images. Then, it generates a mapping matrix between LCD subpixels and multiple-view images based on the obtained relationship. While the proposed scheme is quite simple, it effectively compensates any misalignment or inhomogeneity of the lenticular sheet, and it significantly improves 3-D image quality. In addition, by simply adjusting the mapping parameters, the algorithm can change the predetermined viewing zone to include a viewer’s actual position. Experimental results demonstrate that the proposed compensation scheme successfully works in a real 3-D lenticular display system.

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© 2009 Society of Photo-Optical Instrumentation Engineers

Citation

Yun-Gu Lee and Jong Beom Ra
"New image multiplexing scheme for compensating lens mismatch and viewing zone shifts in three-dimensional lenticular displays", Opt. Eng. 48(4), 044001 (April 20, 2009). ; http://dx.doi.org/10.1117/1.3116705


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