College of Applied Technology;
University of Science and Technology Liaoning;
Anshan;
China;
School of Mathematical Sciences;
University of Electronic Science and Technology of China;
Chengdu;
China;
Engineering and Technical College;
Chengdu University of Technology;
Leshan;
China;
Dictionary; K-SVD; Matching; Pursuit; Sparse; Representation; Genetic; Algorithm; Dual; Population;