VISIBILITY DATA COMPRESSION/DECOMPRESSION METHOD, COMPRESSION SYSTEM AND DECODER

摘要

The invention relates to a visibility data compression/decompression method, a compression system and a decoder. The inventive method comprises: automatic detection (E7) to check that the lines (i) included in the visibility matrix (Msr) have a high number of shared elements and are not adjoining and, upon detection, switching the lines in order to follow the detected lines having a high number of shared elements in order to form a modified visibility matrix (M'sr); and application (E8) of digital image encoding to the boolean elements of the modified visibility matrix (M'sr).