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High-order statistical compressor for long-term storage of DNA sequencing data
<span title="2016-03-24">2016</span>
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We present a specialized compressor designed for efficient data storage of FASTQ files produced by high-throughput DNA sequencers. Since the method has been optimized for compression quality, it is especially suitable for long-term storage and for genome research centers processing huge amount of data (counted in petabytes). The proposed compressor uses high-order statistical models for range encoding, similar to Markov models, but the whole input is considered in building a symbol context.
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... ression of DNA reads is performed according to LZ-style with the use of the 5-7th order model, while nucleotides' scores are encoded with the 3rd order model. Mathematics Subject Classification. 68P20, 68P30, 68W32, 92D20.
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