Compressed Differential Encoding for Semi-Static Compressors

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Ashutosh Gupta
Pankaj Roy


The Compressed Differential Encoding is introduced, i.e., delta encoding directly in two specified compressed files without decompressing. In this paper, we investigate the case where the two given files are compressed using WBTC, and formulate the theoretical framework for modeling delta encoding of compressed files. In put into practice, even though working on the compressed versions in processing time proportional to the compressed files, our target file may be noticeably smaller than the corresponding WBTC form.

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How to Cite
Gupta, A., & Roy, P. (2010). Compressed Differential Encoding for Semi-Static Compressors. INFOCOMP Journal of Computer Science, 9(4), 28-33. Retrieved from