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Adaptive iterative method of selecting weight coefficients for digital holograms binarization using error diffusion
https://doi.org/32446/0368-1025it.2022-6-41-45
Abstract
The development of optical methods and technologies allows to register, transform, store, transmit and reconstruct large amounts of information. One of the most common carriers of experimentally recorded information is digital holograms, which are recorded using photoregisters of various types. The size of digital hologram files is several tens of megabytes, so for the storage and transmission of holographic data via communication channels, holograms should be compressed. Binarization is one of the options for reducing the holograms size. In this work, a binarization method is proposed. It uses iterative adaptive selection of weight coefficients of the error diffusion procedure. The method has been tested on optically digital holograms that were recorded under various conditions. Quality of reconstructed images was estimated both numerically and optically after digital holograms displaying using a digital micromirror device. The proposed method can be used for compressing and storing holographic data, for measuring the characteristics and shape of micro- and macro objects, for fast optical image reconstruction using a digital micro mirror device, etc.
Keywords
digital holography,
optical information processing,
image binarization,
digital camera,
digital micromirror devices,
error diffusion
Supporting agencies: the work was supported by the Russian Science Foundation (RSF), Grant no. 20-79-00291.
About the Authors
N. N. Evtikhiev
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Nikolay N. Evtikhiev
Moscow
V. G. Rodin
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Vladislav G. Rodin
Moscow
E. A. Savchenkova
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Ekaterina A. Savchenkova
Moscow
R. S. Starikov
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Rostislav S. Starikov
Moscow
P. A. Cheremkhin
National Research Nuclear University MEPhI (Moscow Engineering Physics Institute)
Russian Federation
Russian Federation
Pavel A. Cheremkhin
Moscow
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Review
For citations:
Evtikhiev N.N., Rodin V.G., Savchenkova E.A., Starikov R.S., Cheremkhin P.A. Adaptive iterative method of selecting weight coefficients for digital holograms binarization using error diffusion. Izmeritel`naya Tekhnika. 2022;(6):41-45. (In Russ.) https://doi.org/32446/0368-1025it.2022-6-41-45
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