ETRI Journal

  • 제38권4호
  • /
  • Pages.599-605
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  • 2016
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  • 1225-6463(pISSN)
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  • 2233-7326(eISSN)
한국전자통신연구원 (Electronics and Telecommunications Research Institute)
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Fast Holographic Image Reconstruction Using Phase-Shifting Assisted Depth Detection Scheme for Optical Scanning Holography

  • 투고 : 2015.12.10
  • 심사 : 2016.05.11
  • 발행 : 2016.08.01
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초록

For the implementation of a real-time holographic camera, fast and automatic holographic image reconstruction is an essential technology. In this paper, we propose a new automatic depth-detection algorithm for fast holography reconstruction, which is particularly useful for optical scanning holography. The proposed algorithm is based on the inherent phase difference information in the heterodyne signals, and operates without any additional optical or electrical components. An optical scanning holography setup was created using a heterodyne frequency of 4 MHz with a 500-mm distance and 5-mm depth resolution. The reconstruction processing time was measured to be 0.76 s, showing a 62% time reduction compared to a recent study.

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참고문헌

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