Pose normalization

  • Published on
    18-Dec-2014

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

Transcript

<ul><li> 1. DeepFace: closing the gap to human-level performance in face verification -- 3D pose normalization CVPR 2014 2014/09/23 ked </li> <li> 2. Authors Y. Taigman, M. Yang, MA Ranzato, L. Wolf </li> <li> 3. Flow chart Face alignment 2D alignment 3D alignment Frontalization Representation Verification </li> <li> 4. Discussion about Face alignment 2D alignment 3D alignment Frontalization Representation Verification Face detection </li> <li> 5. Face alignment Face alignment 2D alignment 3D alignment Frontalization Face detection Cropping Feature alignment 3D model 3D triangle 2D triangle Normalization </li> <li> 6. Face alignment Face alignment 2D alignment 3D alignment Frontalization Feature alignment 3D alignment Get affine transformation 3D model Frontalization Draw the 3D model using texture of the affine transformation Feature alignment 3D model </li> <li> 7. Solve affine transformation x y z 1 0 0 0 0 0 0 0 0 x y z 1 Transformation 8 x 1 (affine) x y Vert_2D (#fea x 2) x 1 Vert_3D (#fea x 2) x 8 Solve by least square method </li> <li> 8. Warping method not work -.-|| </li> <li> 9. Implementation labels in 3D </li> <li> 10. Implementation mapping </li> <li> 11. Thx. </li> </ul>