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8 January 2008 Two-dimensional image sharpening in optical coherence tomography by deconvolution
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Abstract
Point spread functions (PSF) of a given OCT system in both longitudinal and transversal directions often cause bluring in OCT images. A two-dimensional sharpening method is proposed to simultaneously deconvolve both the longitudinal and transversal PSFs. This is achieved through employing an artificial kernel formed by a two-dimensional matrix, incoroporating the product of the longitudinal and transversal PSFs. For comparison, both Wiener and Lucy-Richardson algorithms are used for the two dimensional deconvolution. The experimental results show that these two deconvolution algorithms can enhance the image sharpness effectively in both longitudinal and transversal directions.
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Yiheng Liu, Yanmei Liang, Guoguang Mu, and Xiaonong Zhu "Two-dimensional image sharpening in optical coherence tomography by deconvolution", Proc. SPIE 6826, Optics in Health Care and Biomedical Optics III, 682608 (8 January 2008); https://doi.org/10.1117/12.755100
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