Compressão de Arquivos FASTQ Evolução do método de compressão LZW aplicado a propósitos específicos

Abstract

This work introduces a purpose-specific data compression algorithm f FASTQ files, leveraging the known structure of these files as an improvement ele for compression ratio. The chosen base method is Lempel-Ziv-Welch (LZW), a well-known and widely used lossless and contextual compression method. The information about the file was used to generate dictionaries more suited to each block the file through preprocessing, opposing the usual method of generating a sing dictionary, without considering the file type's particularities. Comparisons were ma with the Rar and Zip methods, and the proposed method achieved higher compression rates.