ISO/IEC 39794-4:2019

This document specifies:
- generic extensible data interchange formats for the representation of friction ridge image data: a tagged binary data format based on an extensible specification in ASN.1 and a textual data format based on an XML schema definition that are both capable of holding the same information;
- examples of data record contents;
- application specific requirements, recommendations, and best practices in data acquisition; and
- conformance test assertions and conformance test procedures applicable to this document.