Abstract: Computer-executed method for losslessly compressing and decompressing electronic media data. The method is executed in four phases. During the initial phase, the most significant bits are removed. During the second phase, data segments capable of occupying less space are replaced with a nominator of a fixed field of denominators, and the resultant data is hashed. In the third phase, the hashed data is compressed using an entropy reduction technique. In the fourth phase, the compressed data is stored using an arithmetic coding. Multiple passes may be performed, therefore increasing the compression ratio.

Abstract: A method of transmitting medical imaging data files over high latency low bandwidth networks by using an incremental RSYNC protocol over an encrypted connection.