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ISO/IEC PWI 29794-4

Information technology — Biometric sample quality — Part 4: Finger image data

General information

00.00     Jan 19, 2026

ISO/IEC

ISO/IEC JTC 1/SC 37

International Standard

Scope

ISO/IEC 29794-4:2017 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.

Life cycle

PREVIOUSLY

PUBLISHED
ISO/IEC 29794-4:2024

NOW

PROJECT
ISO/IEC PWI 29794-4
00.00 Proposal for new project received
Jan 19, 2026