Compression of digital holograms for three-dimensional object reconstruction and recognition

被引：203

作者：

Naughton, TJ ^{[1
]}

Frauel, Y

Javidi, B

Tajahuerce, E

机构：

[1] Natl Univ Ireland, Dept Comp Sci, Maynooth, Kildare, Ireland

[2] Univ Connecticut, Dept Elect & Comp Engn, Storrs, CT 06269 USA

[3] Univ Jaume, Dept Ciencies Expt, E-12080 Castellon de La Plana, Spain

来源：

APPLIED OPTICS | 2002年 / 41卷 / 20期

关键词：

D O I：

10.1364/AO.41.004124

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present the results of applying lossless and lossy data compression to a three-dimensional object reconstruction and recognition technique based on phase-shift digital holography. We find that the best lossless (Lempel-Ziv, Lempel-Ziv-Welch, Huffman, Burrows-Wheeler) compression rates can be expected when the digital hologram is stored in an intermediate coding of separate data streams for real and imaginary components. The lossy techniques are based on subsampling, quantization, and discrete Fourier transformation. For various degrees of speckle reduction, we quantify the number of Fourier coefficients that can be removed from the hologram domain, and the lowest level of quantization achievable, without incurring significant loss in correlation performance or significant error in the reconstructed object domain. (C) 2002 Optical Society of America.

引用

页码：4124 / 4132

页数：9

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