Fourier domain iterative approach to optical sectioning of 3d translucent objects for ophthalmology purposesстатья

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Дата последнего поиска статьи во внешних источниках: 29 августа 2018 г.

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[1] Fourier domain iterative approach to optical sectioning of 3d translucent objects for ophthalmology purposes / A. V. Razgulin, N. G. Iroshnikov, A. V. Larichev et al. // International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences. — 2017. — Vol. 42, no. 2-W4. — P. 173–177. In this paper we deal with the problem of optical sectioning. This is a post processing step while investigating of 3D translucent medical objects based on rapid refocusing of the imaging system by the adaptive optics technique. Each image, captured in focal plane, can be represented as the sum of in-focus true section and out-of-focus images of the neighboring sections of the depth that are undesirable in the subsequent reconstruction of 3D object. The problem of optical sectioning under consideration is to elaborate a robust approach capable of obtaining a stack of cross section images purified from such distortions. For a typical sectioning statement arising in ophthalmology we propose a local iterative method in Fourier spectral plane. Compared to the non-local constant parameter selection for the whole spectral domain, the method demonstrates both improved sectioning results and a good level of scalability when implemented on multi-core CPUs. [ DOI ]

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