When you download your Facebook data, you get this photos/facedata.htm
page:
MyReal RealName
Facial Recognition Data
Threshold 1 3.2382398572935
Threshold 2 3.0234235928592
Threshold 3 1.7239528352435
Example Count 120
What do these numbers mean?
Best Answer
Example count
is the number of pictures of you that Facebook has.The
Threshold
values andRaw Data
are produced by machine learning, and any picture of you should generate similar numbers. This data helps Facebook guess whether a picture shows your face or not.Rather than storing individual measures such as "proportion of nose", machine learning store such values that have no easily understandable meaning to humans:
https://medium.com/@ageitgey/machine-learning-is-fun-part-4-modern-face-recognition-with-deep-learning-c3cffc121d78