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- W2898253695 abstract "By combining the advantages of compressive sensing optical coherence tomography (OCT) and full-depth OCT in terms of imaging time and imaging depth, we demonstrate how compressive sampling and dispersion encoding can be simultaneously used to reconstruct a full-depth OCT image. Moreover, by considering the image processing speed, we propose a two-step compressive dispersion encoding (TCDE) method, in which a large dispersion imbalance is introduced between the reference arm and the sample arm and two iterations are performed. The first iteration selects the signals with higher intensity and then removes their conjugate items and incoherent aliasing artifacts caused by undersampling based on the least squares method. The second iteration selects the signals with lower intensity. Experimental results show that nearly the same conjugate inhibition ratio can be obtained with 50% sampled data and 100% sampled data using the TCDE method. Full-depth images of a glass slide, an onion, and a live fish eye are obtained from 50% and 100% sampled data using the TCDE method. For a 1.4 mm×3.6 mm fish eye image, the conjugate items are reduced by 33.2 and 31.7 dB using 50% sampled data and 100% sampled data, respectively." @default.
- W2898253695 created "2018-11-02" @default.
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- W2898253695 date "2018-10-25" @default.
- W2898253695 modified "2023-09-27" @default.
- W2898253695 title "Full-depth compressive sensing spectral-domain optical coherence tomography based on a compressive dispersion encoding method" @default.
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- W2898253695 doi "https://doi.org/10.1364/ao.57.009316" @default.
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