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I have used ARKit face tracking. By using it, I can get face feature points

x=faceAnchor.geometry.vertices[638][0]
  
y=faceAnchor.geometry.vertices[638][1]

z=faceAnchor.geometry.vertices[638][2]

Some simple question come to my mind. That is "How ARFaceAnchor determine to vertices indices?" I serached many URLs(apple,stackoverflow),but I couldn't find the truth.

I thought like the dlib, machine learning is used? Where can I find the imformation about that(how calculate face vetices indices)? ARKit's face vertices are more accurate than ARcore what difference methods are used?

desertnaut
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miya
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  • what points do you need from face and how you are using that? – Abhay Koradiya Jul 31 '20 at 13:34
  • I am interested in “how this library finds 1220 feature points from face”. I want to know the method. Like this method was used?(https://www.hindawi.com/journals/wcmc/2018/9729014/) . Apple’s face ar anchor’s geometry has many feature points(1220) compare with other library(arcore, dlib). I want to know How apple’s library detecta face geometry and how to make the library. – miya Jul 31 '20 at 23:12

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