It should be possible to import video files in Sony VDU DLX format to Adobe Premiere Pro and save it in a JPEG 2000 motion video MJP2 format.
Convert Sony VDU file format importer to JPEG 2000 motion sequence format (ISO 15444-3) file.
We found 2 software records in the database related to .dlx to .mjp2 file format conversion.
Microsoft Windows software - convert dlx to mjp2 on Windows
A timeline-based video editing software from Adobe
Convert from dlx file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned dlx to mjp2. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert dlx to mjp2 on OS X
Mac version of Adobe's prime video editing software