Scalable spatio-temporal parallel parameterizable stream-based JPEG-LS encoder

LETTER

Cássio A. Carneiro, Francisco P. Garcia, Henrique C. Freitas, Carlos P. S. Martins, Flávia M. F. Ferreira

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Keywords: JPEG-LS, lossless video compression, scalable throughput, FPGA, spatio-temporal parallelism, reconfigurable architecture

JOURNAL FREE ACCESS

2017 Volume 14 Issue 2 Pages 20160950

DOI https://doi.org/10.1587/elex.14.20160950

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Abstract

A parallel parameterizable stream-based JPEG-LS encoder architecture for scalable throughput is presented. The main contribution is the reconfigurable spatio-temporal parallelism to meet different pixel rates for lossless video compression, achieving the required throughputs with lower processing frequencies, scaled by the degree of spatial parallelism. The proposal allows for optimized performance associated to device resources and processing frequency. Experimental results were verified in Altera Stratix I FPGA device.

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