Incoherent Dictionary Learning Method Based on Unit Norm Tight Frame and Manifold Optimization for Sparse Representation

Table 1

Our proposed methods for learning incoherent dictionary.

Method	Sparse coding [24]	Dictionary learning [8]	Dictionary update	Dictionary optimization
Literature [21]	OMP	-SVD	INKSVD	—
Literature [22]	OMP	-SVD	IP	DR
The proposed method I	OMP	-SVD	UNTF-INKSVD	Manopt
The proposed method II	OMP	-SVD	UNTF-IP	Manopt