They are image files. Probably no way for Daffodil to decode the data -- which includes significant redundancy.
-----Original Message----- From: Roger L Costello <coste...@mitre.org> Sent: Monday, October 28, 2024 10:51 AM To: users@daffodil.apache.org Subject: DFDL description of QR codes? I think it would be wicked cool to create a DFDL description of QR codes. Question: Is a QR code a binary file, or is it an image (JPEG, GIF, PNG, etc.)?