...
Syntax:
<compression rules> := (<compression rule> <EOL>)+
<compression rule> := [<conditions>] <compression>
<conditions> := '[' <condition> {',' <condition>} ']'
<condition> := <attribute> ['!']'=' <value> {'|' <value>}
<attribute> := 'calling' | 'called' | 'pmi' | 'cuid' | 'imgtype' | 'bodypart'
<compression> := 'NONE' | 'JPLL' | 'JLSL' | 'J2KR' | ('JPLY' ['(' <quality> ':' <ratio> ')'])
<quality> := used compression quality between 0.0 and 1.0, 0.75 by default.
<description> := description stored in attribute Derivation Description (0008,2111), "JPEG Lossy Compression with quality=0.75" by default.
<ratio> := estimated compression ratio documented stored in attribute Lossy Image Compression Ratio (0028,2112), 5.0 by default.
...