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A color Doppler mapping method for ophthalmic applications of optical coherence tomography (OCT) is presented. The proposed method was developed taking into account the regularities that link changes in the interference signal with the changes in the characteristics of the flow of biological fluid through the OCT scanning plane that cause them. The key feature of the proposed algorithm is the multistage analysis of fluctuations in the speckle structure of OCT images. Speckle structures are identified by using the functions of color reversal, convolution using a given convolution kernel, threshold constraints, morphological processing, convex hull formation, gradient operations, and image recoding.
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Фролов et al. (2022) studied this question.
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