Table 1 Computational complexity ( M N 2 T ) associated with the best accuracies for the cases of full and diagonal covariance matrices
From: A comprehensive system for facial animation of generic 3D head models driven by speech
Cov. matrix structure | N | M | ϵ | ρ | MN 2 T |
|---|---|---|---|---|---|
(per frame,T= 1) | |||||
Full (proposed) | 4 | 3 | 0.47 | 0.75 | 48 |
Full (proposed) | 7 | 3 | 0.48 | 0.76 | 147 |
Diagonal | 10 | 7 | 0.49 | 0.75 | 700 |
Diagonal | 19 | 3 | 0.48 | 0.76 | 1083 |