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- W3170442816 endingPage "075703" @default.
- W3170442816 startingPage "075703" @default.
- W3170442816 abstract "Digital micromirror device (DMD) provides 2D- and 3D-scenes reconstruction by displaying diffractive and holographic optical elements. The highest frame rates (tens of thousands of Hz) can be achieved if displayed optical elements are binarized. Except DMD applications, hologram binarization is useful for displays creation, image encryption, information compression and storage, fast 3D-printing, etc. Error diffusion is one of the most qualitative implementations of hologram binarization. In this paper, three groups weighting matrices of error diffusion are analyzed: 16 standard, 8 dot and 6 diagonal matrices. Thus, 30 error diffusion methods were used for optically recorded off-axis digital holograms binarization. Quality of image reconstruction from the binarized holograms was compared. Direct applications of error diffusion with large weighting matrices and dot diffusion provide highest reconstruction quality. 7 metrics were used as error diffusion threshold. 12 bypass directions of error diffusion were analyzed. Joint application of Otsu threshold and complex bypass directions allows improving the quality of hologram binarization by 15% additionally." @default.
- W3170442816 created "2021-06-22" @default.
- W3170442816 creator A5007352437 @default.
- W3170442816 creator A5008061061 @default.
- W3170442816 creator A5019319361 @default.
- W3170442816 creator A5082971025 @default.
- W3170442816 creator A5084639423 @default.
- W3170442816 creator A5090607818 @default.
- W3170442816 date "2021-07-01" @default.
- W3170442816 modified "2023-09-24" @default.
- W3170442816 title "Comparative analysis of off-axis digital hologram binarization by error diffusion" @default.
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