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Process Algorithms for Resolution Improvement and Contrast Enhancement in Optical Coherence Tomography

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Abstract

We proposed two process algorithms for resolution improvement and contrast enhancement in the images of optical coherence tomography (OCT). An OCT system with a non-Gaussian light source spectrum or dispersion mismatch usually results in sidelobes in the interference fringe envelope that may produce artifacts and reduce image contrast. Based on the concept of deconvolution, we proposed two different process algorithms and demonstrated their effectiveness in retrieving sample structures. The effects of the process algorithms were examined by numerical simulations and real OCT scanning images. After processing with the proposed procedures, the effects of sidelobes were tremendously suppressed and the image qualities were improved.

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Authors and Affiliations

  1. Department of Dentistry, National Taiwan University, 1, Roosevelt. Road, Section 4, Taipei, Taiwan, R.O.C.

    Chun-Ping Chiang

  2. Graduate Institute of Bioengineering, National Taiwan University, 1, Roosevelt Road, Section 4, Taipei, Taiwan, R.O.C.

    Chii-Wann Lin

  3. Graduate Institute of Electro-Optical Engineering and Department of Electrical Engineering, National Taiwan University, 1, Roosevelt Road, Section 4, Taipei, Taiwan, R.O.C.

    I-Jen Hsu, Chia-Wei Sun, Chih-Wei Lu & Chih-Chung Yang

Authors
  1. I-Jen Hsu
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  2. Chia-Wei Sun
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  3. Chih-Wei Lu
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  4. Chih-Chung Yang
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  5. Chun-Ping Chiang
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  6. Chii-Wann Lin
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Correspondence to Chih-Chung Yang.

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Hsu, IJ., Sun, CW., Lu, CW. et al. Process Algorithms for Resolution Improvement and Contrast Enhancement in Optical Coherence Tomography. OPT REV 10, 567–571 (2003). https://doi.org/10.1007/s10043-003-0567-9

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  • DOI: https://doi.org/10.1007/s10043-003-0567-9

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