• Chinese Optics Letters
  • Vol. 11, Issue 5, 050901 (2013)
Y. K., W. C., and P. W.
DOI: 10.3788/col201311.050901 Cite this Article Set citation alerts
Y. K., W. C., P. W.. Fast compression of computer-generated holographic images based on a GPU-accelerated skip-dimension vector quantization method[J]. Chinese Optics Letters, 2013, 11(5): 050901 Copy Citation Text show less

Abstract

A method for fast and low bit-rate compression of digital holograms based on a new vector quantization (VQ) method known as the skip-dimension VQ (SDVQ) is proposed. Briefly, a complex hologram is converted into a real off-axis hologram, and partitioned into a set of image vectors. The image vectors are passed into a graphic processing unit (GPU), and compressed through SDVQ into a set of code indices considerably smaller in data size than the source hologram. Experimental evaluation reveals that our scheme is capable of compressing a digital hologram to a compression ratio of over 500 times, in approximately 20–22 ms.
Y. K., W. C., P. W.. Fast compression of computer-generated holographic images based on a GPU-accelerated skip-dimension vector quantization method[J]. Chinese Optics Letters, 2013, 11(5): 050901
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