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- Title
Characterizing image quality of autostereoscopic displays by using the maximum luminance at each viewing position.
- Authors
Horikoshi, Tsutomu; Kimura, Shinji
- Abstract
A metric of the 3D image quality of autostereoscopic displays based on optical measurements is proposed. This metric uses each view's luminance contrast, which is defined as the ratio of maximum luminance at each viewing position to total luminance at that position. Conventional metrics of the autostereoscopic display based on crosstalk, which uses 'wanted' and 'unwanted' lights. However, in case of the multiple-views-type autostereoscopic displays, it is difficult to distinguish exactly which lights are wanted lights and which are unwanted lights. This paper assumes that the wanted light has a maximum luminance at the good stereoscopic viewing position, and the unwanted light also has a maximum luminance at the worst pseudo-stereoscopic viewing position. By using the maximum luminance that is indexed by view number of the autostereoscopic display, the proposed method enables characterizing stereoscopic viewing conditions without using wanted/unwanted light. A 3D image quality metric called 'stereo luminance contrast,' the average of both eyes' contrast, is proposed. The effectiveness of the proposed metric is confirmed by the results of optical measurement analyses of different types of autostereoscopic displays, such as the two-view, scan-backlight, multi-view, and integral.
- Subjects
THREE-dimensional display systems; IMAGE quality analysis; LUMINANCE (Photometry); OPTICAL crosstalk
- Publication
Journal of the Society for Information Display, 2014, Vol 22, Issue 1, p1
- ISSN
1071-0922
- Publication type
Article
- DOI
10.1002/jsid.220