By means of "liveness" testing, spoofing can be prevented without the use of a stereo or 3D camera.
From existing still images or directly from a video camera, faces can be added to the database.
To find matches, Wavesys facial recognition software searches an existing database of faces and compares them
with the ones detected in the scene. This technology matches faces stored in the database with faces identified
by the camera - as many as at the same time which is based on DNN technology.