DeepFace: closing the gap to human-level performance in face verification

-- 3D pose normalization CVPR

20142014/09/23ked

Authors

Y. Taigman, M. Yang, M’A Ranzato, L. Wolf

Flow chart

Face alignment 2D alignment 3D alignment Frontalization

Representation Verification

Discussion about

Face alignment 2D alignment 3D alignment Frontalization

Representation Verification

Face detection

Face alignment

Face alignment 2D alignment 3D alignment Frontalization

Face detection Cropping Feature alignment 3D model

3D triangle 2D triangle Normalization

Face alignment

Face alignment 2D alignment 3D alignment Frontalization

Feature alignment

3D alignmentGet affine transformation

3D model

Feature alignment

FrontalizationDraw the 3D model using texture of the affine transformation

3D model

Solve by least square method

0 0 0 0 x y z 1

Solve affine transformation

x y z 1 0 0 0 0

Transformation8 x 1 (affine)

Vert_2D(#fea x 2) x 1

Vert_3D(#fea x 2) x 8

x

y

Warping method – not work -.-||

Implementation – labels in 3D

Implementation mapping

Thx.