EPassport chips contain a digitally-signed high-resolution face image of the owner.
Face images in ePassports: how high resolution are they? ↗
What happened
- The article reports that it examined metadata from ePassports in 12 countries, with at least 100K ePassports per country.
- The article reports an overall average face image size of 17 kB in its samples.
- The article states the ICAO standard considers 12kB a minimum for reliable facial recognition and 15-20kB optimum.
Why it matters to Signicat
- Image size and format affect face-matching quality, relevant to Signicat's NFC document verification after the ReadID (Inverid) acquisition.
- Content is educational technical commentary with no announced product, customer, or commercial event; relevance to competitive positioning is limited.
Evidence from the source (5 quotes)
- “We looked at the meta information on face images from ePassports from 12 countries, at least 100K ePassports per country.” source ↗
- “The overall average of our samples was 17 kB.” source ↗
- “The ICAO standard considers 12kB a minimum for reliable facial recognition, and 15-20kB as optimum.” source ↗
- “ReadID’s API allow access to the original face image as well as converted and resized versions of the original face image.” source ↗
- “Originally published: August 31, 2016” source ↗
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4 of 4 facts verified against the source · confidence medium · claude-haiku-5-5