afis 1.1.0

Classical AFIS library: minutiae extraction, matching, and quality

afis

Classical AFIS toolkit for fingerprint minutiae extraction, matching, and quality assessment.

Install

make install

Uses uv. Equivalent:

uv sync --all-extras --group dev
make native

Install from pypi:

pip install afis
or 
uv add afis

Quickstart

from afis import FingerprintProcessor, match_templates

proc = FingerprintProcessor()  # nbis_mindtct + nbis_bozorth3
a = proc.process("finger_a.png")
b = proc.process("finger_b.png")
print(a.n_minutiae, a.header.image_quality)

result = match_templates(
    a.minutiae, b.minutiae,
    method="nbis_bozorth3",
    height_a=a.header.height,
    height_b=b.header.height,
)
print(result.score, result.decision)

Use mindtct / bozorth3 for python only.

CLI

uv run afis extract finger.png finger.xyt
uv run afis match a.xyt b.xyt --method nbis_bozorth3 --height 480
uv run afis quality finger.png

Develop

make test
make build

License

MIT. Copyright (c) 2026 Ashok Pant.