Spanish travel booking group Amadeus will buy Portuguese facial recognition technology company Vision-Box for 320 million euros (346.7 million dollars), it said in a statement to the CNMV.

The deal to buy Vision-Box, which offers facial recognition technology for airports, airlines and border control services, is subject to regulatory approval, but is expected to close in the first half of the year, according to Amadeus.

(US$1 = €0.9229)

(Reporting by Tiago Brandao; edited in Spanish by Javi West Larrañaga)