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New compression method for full-complex holograms using the modified zerotree algorithm with the adaptive discrete wavelet transform
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DOI：10.1364/OE.406165.png)
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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 characteristics, a new compression method suitable for such holograms is required. We analyze the frequency characteristics of holograms with random phases and propose a new adaptive discrete wavelet transform (aDWT). Next, we propose a new modified zerotree alogrithm (mZTA) suitable for the subband configuration generated by the modified wavelet transform method. The results of the compression using the proposed method showed higher efficiency than the previous method, and the reconstructed images showed visually superior results. (C) 2020 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
Keyword:
RECONSTRUCTION
期刊
IF:
3.3
论文数:
6.1W
被引数:
14.3W
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