For default and prescriptive values refer section 5 of Iris Image Data Standard prepared by the Expert Committee on Biometrics and released by DeitY ( Version 1.0, March 2011)
As mentioned in the description
Domain Work Area Category
Iris Image Data Standard for e-Governance Applications prepared by the Expert Committee on Biometrics released by DeitY (Version 1.0 March, 2011) & ISO 19785-1 (Common Biometric Exchange Formats Framework – CBEFF) , ISO 19785-3 (Patron Format Specification) and ISO/IEC 19794-6:2005 (E)Iris mage Data
For default and prescriptive values refer section 5 of Iris Image Data Standard prepared by the Expert Committee on Biometrics and released by DeitY ( Version 1.0, March 2011)
Iris Image Record Header , provides information about format identifier, Version no, Length of entire record, Capture device id, No. of Iris biometric sub types, Record header length, Image property bit field, horizontal orientation, vertical orientation, scan type, Iris occlusion filling, boundary extraction, Iris diameter, Image format, Image width, Image height, Image intensity depth, transformation to polar image, device unique identifier.
Iris Image Record Header , provides information about format identifier, Version no, Length of entire record, Capture device id, No. of Iris biometric sub types, Record header length, Image property bit field, horizontal orientation, vertical orientation, scan type, Iris occlusion filling, boundary extraction, Iris diameter, Image format, Image width, Image height, Image intensity depth, transformation to polar image, device unique identifier.