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Proceedings Paper

Measurement of depth representation using integral imaging for quality evaluation of computer-generated hologram
Author(s): Soohyun Lee; Jeho Nam; Eun-Young Chang; Sung-Keun Lee; Kyungae Moon; Jinwoong Kim
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Paper Abstract

We demonstrate the depth measurement method of holographic images using integral imaging. The depth information of holographic images can be obtained with a single capture by conventional integral imaging pickup system composed of a micro lens array (MLA) and an image sensor. In order to verify the feasibility of our proposed method, an elemental image set of holographic images formed by a MLA was generated by a computer, and then refocused images at different planes were reconstructed numerically using computational integral imaging reconstruction (CIIR) technique for depth measurement. Note that we set the distance between MLA and image sensor as focal length of micro lens for large depth of focus. From the numerical results, we can measure the depth representation of holographic images successfully. However, refocused images from an optically captured elemental image set provide poor depth discrimination due to expected error in distance between MLA and image sensor. Only an object in a particular narrow depth range can be focused clearly when the image sensor is placed out of the MLA focal plane. The simulated results in this condition matched reasonably with the experiment result.

Paper Details

Date Published: 5 June 2014
PDF: 7 pages
Proc. SPIE 9117, Three-Dimensional Imaging, Visualization, and Display 2014, 911706 (5 June 2014); doi: 10.1117/12.2053512
Show Author Affiliations
Soohyun Lee, Electronics and Telecommunications Research Institute (Korea, Republic of)
Jeho Nam, Electronics and Telecommunications Research Institute (Korea, Republic of)
Eun-Young Chang, Electronics and Telecommunications Research Institute (Korea, Republic of)
Sung-Keun Lee, Inha Univ. (Korea, Republic of)
Kyungae Moon, Electronics and Telecommunications Research Institute (Korea, Republic of)
Jinwoong Kim, Electronics and Telecommunications Research Institute (Korea, Republic of)


Published in SPIE Proceedings Vol. 9117:
Three-Dimensional Imaging, Visualization, and Display 2014
Bahram Javidi; Jung-Young Son; Osamu Matoba; Manuel Martínez-Corral; Adrian Stern, Editor(s)

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