TIEVisionFaceRecognizer.detect

function detect(image: TIEVisionImage; out confidence: double): PWideChar; safecall;

Detect a label and associated confidence (e.g. distance) for a given input image.
Applications can call this method after train or load.

Parameter	Description
image	Input test image
confidence	Associated confidence for the predicted label. This value is the distance between the input image and the existing database. Distance = 0 means an exact match. Large values mean there is almost no match between both