A Robust Shape Reconstruction Method for Facial Feature Point Detection

Pseudocode 1

Pseudocode of our proposed regression-based method.

Input: Training set images and corresponding shapes:

set images and corresponding initial shapes: and . Sparse

coding parameters set: , , size of and size of . Total iterations .

Output: Final face shapes .

Training Stage:

 for from to , do

  step 1: Given and , obtain . Then extract from .

  step 2: Sequentially get , and using Equations (11).

  step 3: Get using Equation (12).

 end for

Training Model: and .

Testing Stage:

 for from to , do

  step 1: Similarly, extract on .

  step 2: Given and , calculate using Equation (14).

  step 3: Obtain using Equation (13).

 end for