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Calibration of a multiview display with a tilted parallax barrier for reduction of nonlinear extrinsic crosstalk
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- Authors
- Joonsoo Kim, Homin Eum, Kugjin Yun, Hong-Chang Shin, Gwangsoon Lee, Jeongil Seo
- Issue Date
- 2022-11
- Citation
- Applied Optics, v.61, no.31, pp.9112-9123
- ISSN
- 1559-128X
- Publisher
- Optical Society of America (OSA)
- Language
- English
- Type
- Journal Article
- Abstract
- Multiview displays, which are capable of displaying different view-images for viewers at different positions, can suffer from undesirable view-image mixing, called crosstalk. In this paper, we propose a method to minimize a class of crosstalk that occurs due to misalignment of flat panel displays and parallax barriers that constitute multiview displays. More specifically, our method is aimed at cases where flat panel displays and parallax barriers are nonparallel. First, we introduce our framework, which associates homography matrices to sets of pixels visible through parallax barriers. Then, we propose an iterative method for finding pixels that are visible for a view-point. By using a stripe test pattern, the homography matrix that corresponds to a set of visible pixels can be found by monitoring the deformation of the stripe test pattern. Last, we experimentally check the validity of the iterative method and demonstrate that the proposed method successfully corrects the geometric distortion of a 3D image.
- KSP Keywords
- 3D images, Different positions, Flat panel display, Geometric distortions, Homography Matrix, Iterative method, Multi-view display, Parallax barrier, test pattern