Constant coefficients linear prediction for lossless compression of ultraspectral sounder data using a graphics processing unit

Jarno Mielikäinen, Risto Honkanen, Bormin Huang, Pekka J. Toivanen, Chulhee Lee

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The amount of data generated by ultraspectral sounders is so large that considerable savings in data storage and transmission bandwidth can be achieved using data compression. Due to this large amount of data, the data compression time is of utmost importance. Increasing the programmability of the commodity Graphics Processing Units (GPUs) offer potential for considerable increases in computation speeds in applications that are data parallel. In our experiments, we implemented a spectral image data compression method called Linear Prediction with Constant Coefficients (LP-CC) using NVIDIA's CUDA parallel computing architecture. LP-CC compression method represents a current state-of-the-art technique in lossless compression of ultraspectral sounder data. The method showed an average compression ratio of 3.39 when applied to publicly available NASA AIRS data. We achieved a speed-up of 86 compared to a single threaded CPU version. Thus, the commodity GPU was able to significantly decrease the computational time of a compression algorithm based on a constant coefficient linear prediction.

Original languageEnglish
Article number041774
JournalJournal of Applied Remote Sensing
Volume4
Issue number1
DOIs
Publication statusPublished - 2010 Dec 1

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compression
prediction
commodity
parallel computing
AIRS
savings
method
experiment

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences(all)

Cite this

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Constant coefficients linear prediction for lossless compression of ultraspectral sounder data using a graphics processing unit. / Mielikäinen, Jarno; Honkanen, Risto; Huang, Bormin; Toivanen, Pekka J.; Lee, Chulhee.

In: Journal of Applied Remote Sensing, Vol. 4, No. 1, 041774, 01.12.2010.

Research output: Contribution to journalArticle

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