Efficient compression of Fresnel fields for Internet transmission of three-dimensional images


Naughton, Thomas J. and Mc Donald, John B. and Javidi, Bahram (2003) Efficient compression of Fresnel fields for Internet transmission of three-dimensional images. Applied Optics, 42 (23). pp. 4758-4764.

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Abstract

We compress phase-shift digital holograms (whole Fresnel fields) for the transmission of three-dimensional images. For real-time networking applications, the time required to compress can be as critical as compression rate. We achieve lossy compression through quantization of both the real and imaginary streams, followed by a bit packing operation. Compression losses in the reconstructed objects were quantified. We define a speedup metric that combines space gains due to compression with temporal overheads due to compression routine and transmission serialization. We empirically verify transmission speedup due to compression, using a special-purpose Internet-based networking application.

Item Type: Article
Keywords: Digital holography, Three-dimensional image processing, Image compression, Optical information processing
Academic Unit: Faculty of Science and Engineering > Experimental Physics
Faculty of Science and Engineering > Computer Science
Item ID: 109
Depositing User: Thomas Naughton
Date Deposited: 19 Aug 2003
Journal or Publication Title: Applied Optics
Publisher: Optical Society of America
Refereed: Yes
URI:

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