Division 1.3.2 Image format and resolution
United Kingdom
Fingerprint and palm print images referred to in points (a), (b) and (c) of Section 1.1 must be of a nominal resolution of either 1 000 ppi or of 500 ppi with 256 grey levels in order to be processed by CS-SIS. 500 ppi images must be entered using the WSQ format while 1 000 ppi images must be in JPEG2000 (JP2) format.