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Color Occlusion Face Recognition Method Based on Quaternion Non-Convex Sparse Constraint Mechanism.

Chenglin WenYiting Qiu
Published in: Sensors (2022)
Keyphrases
  • face recognition
  • similarity measure
  • support vector machine
  • image regions
  • inequality constraints
  • objective function
  • color images
  • single image
  • sparse representation
  • color constancy
  • ar face database