Title: Application of Improved OMP Algorithm in Face Recognition
Abstract:The fundamental principle of face recognition based on sparse representation is analyzed.When sparse representation algorithm based on Orthogonal Matching Pursuit(OMP) is adopted,the obtained sparse c...The fundamental principle of face recognition based on sparse representation is analyzed.When sparse representation algorithm based on Orthogonal Matching Pursuit(OMP) is adopted,the obtained sparse coefficient can be negative.To solve this problem,an improved orthogonal matching pursuit algorithm is presented.By directly limiting the sparse coefficient,the proposed method can reduce the amount of negative sparse coefficient and iterations.Meanwhile,face recognition is speeded up.Experiment on the ORL database show that the recognition rate of improved algorithm is 3% higher than the original one,and the most suitable iteration times is 7.Read More
Publication Year: 2012
Publication Date: 2012-01-01
Language: en
Type: article
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Cited By Count: 1
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