How can a sparse representation be made applicable for very low-dimensional data?
作者:
Highlights:
• We analyze the problem of sparse representation on low-dimensional data.
• We extend applicable scope of sparse representations via a novel perspective.
• An effective method to double the dimensionality is proposed for classification.
摘要
•We analyze the problem of sparse representation on low-dimensional data.•We extend applicable scope of sparse representations via a novel perspective.•An effective method to double the dimensionality is proposed for classification.
论文关键词:Sparse representation,Low dimension,Face recognition
论文评审过程:Received 21 May 2016, Revised 27 November 2016, Accepted 25 January 2017, Available online 1 February 2017, Version of Record 10 February 2017.
论文官网地址:https://doi.org/10.1016/j.eswa.2017.01.039