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

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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. (C) 2009 Society of Photo-Optical Instrumentation Engineers. [DOI: 10.1117/1.3116705]
Publisher
SPIE-SOC PHOTOPTICAL INSTRUMENTATION ENGINEERS
Issue Date
2009-04
Language
English
Article Type
Article
Keywords

MULTISCOPIC 3-D DISPLAYS; AUTOSTEREOSCOPIC DISPLAYS; SYSTEM

Citation

OPTICAL ENGINEERING, v.48

ISSN
0091-3286
DOI
10.1117/1.3116705
URI
http://hdl.handle.net/10203/11718
Appears in Collection
EE-Journal Papers(저널논문)
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