ige to jp2 conversion describes export of raster data (.ige) from ERDAS IMAGINE geospatial data authoring software to JPEG 2000 format, something that should be doable with the original software, considering it lists JP2 format as supported.
We have not found any particular mentions of this conversion on the internet though, so if you struggle with export of .ige files or need some other help this format, it might be actually best to reach out to ERDAS software for assistance.
Updated: November 1, 2023