March 2019
Intermediate to advanced
538 pages
13h 38m
English
book
Building Computer Vision Projects with OpenCV 4 and C++
by David Millan Escriva, Prateek Joshi, Vinicius G. Mendonca, Roy Shilkrot
Content preview from Building Computer Vision Projects with OpenCV 4 and C++
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Estimating face direction from landmarks
Having obtained the facial landmarks, we can attempt to find the direction of the face. The 2D face landmark points essentially conform to the shape of the head. So, given a 3D model of a generic human head, we can find approximate corresponding 3D points for a number of facial landmarks, as shown in the following photo:
