The ICAO standard considers 12kB a minimum for reliable facial recognition and 15-20kB optimum.
ePassport face image resolution: why 15-20kB is optimum ↗ · repeat of an earlier article
What happened
- The article reports a sample of ePassport face image metadata from 12 countries, with at least 100K ePassports per country, and an overall average of 17 kB.
- The article states that ReadID's API allows access to the original face image as well as converted and resized versions.
Why it matters to Signicat
- Content supports Signicat's NFC document verification positioning after the Inverid (ReadID) acquisition by explaining chip-image quality as a verification input.
- Article is technical education on document chip images; it does not describe a Signicat product launch, customer, or regulatory change.
Evidence from the source (4 quotes)
- “We looked at the meta information on face images from ePassports from 12 countries, at least 100K ePassports per country.” source ↗
- “ReadID’s API allow access to the original face image as well as converted and resized versions of the original face image.” source ↗
- “ReadID’s API allow access to the original face image as well as converted and resized versions of the original face image.” source ↗
- “Doing automated facial recognition from the face image on the data page is therefore in our experience not a good idea” source ↗
Document IDV biometricsThought leadershipGlobal
3 of 3 facts verified against the source · confidence high · claude-haiku-5-5