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A normalization method of the CVPR paper, "DeepFace: Closing the Gap to Human-Level Performance in Face Verification."
Citation preview
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.
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