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Optical Engineering • Open Access • new

Correction of distorted 3-D images for misalignment of an optical structure in a multiview 3-D display system
Author(s): Yongjoon Kwon; Donghwan Kim; Sung-Kyu Kim

Paper Abstract

For a multiview three-dimensional (3-D) display system using a two-dimensional (2-D) flat panel display, it is very important to attach accurately an optical plate such as a parallax barrier and a lenticular lens sheet onto a 2-D display panel for the best quality of 3-D images. In most practical cases, however, misalignment occurs since it is too difficult to align perfectly in assembly process. In general, angular misalignment results in the deterioration of 3-D image quality by some increase of crosstalk, so that the resulting 3-D images are even distorted as tilted ones. To correct distorted 3-D images, we propose a method to skew 3-D objects before each image for multiviews is taken by multiple cameras. For this, a formula is derived to determine the amount of skewing 3-D objects. And by using it, some experimental results are shown that distorted 3-D images in a misaligned multiview 3-D display system are completely corrected. Since skewing 3-D objects implies a coordinate transformation of 3-D space, this method can be also used in the manipulation of 3-D image data obtained from a depth camera in order to correct the distorted 3-D images caused by angular misalignment.

Paper Details

Date Published: 19 January 2018
PDF: 7 pages
Opt. Eng. 57(6) 061602 doi: 10.1117/1.OE.57.6.061602
Published in: Optical Engineering Volume 57, Issue 6
Show Author Affiliations
Yongjoon Kwon, Korea Institute of Science and Technology (Republic of Korea)
Donghwan Kim, Korea Institute of Science and Technology (Korea, Republic of)
Gachon Univ. (Korea, Republic of)
Sung-Kyu Kim, Korea Institute of Science and Technology (Korea, Republic of)

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