Compression of digital holograms via adaptive-sparse representation

被引：15

作者：

Memmolo, Pasquale ^{[1
,3
]}

Paturzo, Melania ^{[1
]}

Pelagotti, Anna ^{[2
]}

Finizio, Andrea ^{[1
]}

Ferraro, Pietro ^{[1
]}

Javidi, Bahram ^{[4
]}

机构：

[1] CNR, Ist Nazl Ott, I-80078 Pozzuoli, NA, Italy

[2] CNR, Ist Nazl Ott, I-50125 Florence, Italy

[3] Univ Naples Federico II, Dipartimento Ingn Biomed Elettron & Telecomunicaz, I-80125 Naples, Italy

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

来源：

OPTICS LETTERS | 2010年 / 35卷 / 23期

关键词：

RECONSTRUCTION; INFORMATION;

D O I：

10.1364/OL.35.003883

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Efficient storage and transmission of digital holograms (DHs) requires the development of appropriate compression techniques for such a special class of images. In this Letter, we investigate a method to compress DHs using a sparse matrix representation. Using digital holography to numerically manage complex wave fields, we are able to apply an adaptive mask, based on a threshold filter, to the object wave field. From there, we store the result of this filtering by sparse representation. In this Letter, we demonstrate that using sparse representation allows for a high compression factor with minimal loss in the quality of the reconstructed image. This technique is efficient for storage and transmission of DHs. (C) 2010 Optical Society of America

引用

页码：3883 / 3885

页数：3

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