Off-axis digital holographic multiplexing for rapid wavefront acquisition and processing

NT Shaked, V Micó, M Trusiak, A Kuś… - Advances in Optics and …, 2020 - opg.optica.org
Off-axis holographic multiplexing involves capturing several complex wavefronts, each
encoded into off-axis holograms with different interference fringe orientations …

[HTML][HTML] Compression strategies for digital holograms in biomedical and multimedia applications

P Schelkens, A Ahar, A Gilles, RK Muhamad… - Light: advanced …, 2022 - light-am.com
While 60 years of successful application of holography is celebrated in this special issue,
efficient representation and compression of holographic data has received relatively little …

Wavelet compression of off-axis digital holograms using real/imaginary and amplitude/phase parts

PA Cheremkhin, EA Kurbatova - Scientific reports, 2019 - nature.com
Compression of digital holograms allows one to store, transmit, and reconstruct large sets of
holographic data. There are many digital image compression methods, and usually wavelets …

Quality of reconstruction of compressed off-axis digital holograms by frequency filtering and wavelets

PA Cheremkhin, EA Kurbatova - Applied optics, 2018 - opg.optica.org
Compression of digital holograms can significantly help with the storage of objects and data
in 2D and 3D form, its transmission, and its reconstruction. Compression of standard images …

Image compression and encryption based on wavelet transform and chaos

H Gao, W Zeng - Компьютерная оптика, 2019 - cyberleninka.ru
With the rapid development of network technology, more and more digital images are
transmitted on the network, and gradually become one important means for people to …

Chaotic image encryption algorithm based on fractional order scrambling wavelet transform and 3D cyclic displacement operation

X Yan, X Wang, Y Xian - IEEE Access, 2020 - ieeexplore.ieee.org
In order to deal with the security of image information, this paper proposes a chaotic image
encryption method based on fractional wavelet transform. First, fractional wavelet transform …

Spatial bandwidth-optimized compression of image plane off-axis holograms with image and video codecs

P Stępień, RK Muhamad, D Blinder, P Schelkens… - Optics …, 2020 - opg.optica.org
Image plane off-axis holograms (IP-OAH) are the most common data captured in digital
holographic microscopy and tomography. Due to increasing storage and data transmission …

Lossless compression applying linear predictive coding based on the directionality of interference patterns of a hologram

KD Hyun, K Tamagawa, Y Sakamoto - Applied Optics, 2019 - opg.optica.org
This paper proposes lossless linear predictive coding based on the directionality of the
interference patterns of a hologram. We approached this study from two aspects. First, to …

New compression method for full-complex holograms using the modified zerotree algorithm with the adaptive discrete wavelet transform

JK Kim, KJ Kim, JW Kang, KJ Oh, JW Kim, DW Kim… - Optics …, 2020 - opg.optica.org
In this paper, we propose a new method for coding a full complex hologram with random
phase. Since holograms with random phase have very unique spatial and frequency …

An entropy analysis of the Cirebon language script using the Ternary Huffman code algorithm

A Kodir, R Fajar, AS Awalluddin… - IOP Conference …, 2021 - iopscience.iop.org
Entropy is a statistical parameter that measures how much average information is generated
for each symbol in a text. Each language usually has several important features that are …