BS ISO/IEC 29794-4:2017

This standard BS ISO/IEC 29794-4:2017 Information technology. Biometric sample quality is classified in these ICS categories:

• 35.240.15 Identification cards. Chip cards. Biometrics

This document establishes

• terms and definitions for quantifying finger image quality,

• methods used to quantify the quality of finger images, and

• standardized encoding of finger image quality,

for finger images at 196,85 px/cm spatial sampling rate scanned or captured using optical sensors with capture dimension (width, height) of at least 1,27 cm × 1,651 cm.