Jpylyzer is an open source validator and feature extractor for JP2 images. JP2 is the still image format that is defined by Part 1 of the JPEG 2000 image compression standard (ISO/IEC 15444-1).
Jpylyzer parses a file and runs its contents against a large number of tests, each of which is based on the requirements and restrictions that are defined by the standard. If a file fails one or more tests, this implies that it does not conform to the standard, and is not a valid JP2.
The development of jpylyzer was partially funded by the EU FP7 project, SCAPE (SCAlabable Preservation Environments).