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

Table 2

The overall execution times (in seconds) with different incoherent dictionary learning methods.

	0.05	0.1	0.15	0.2	0.25	0.3	0.35
Literature [21]
Literature [22]
Proposed method I
Proposed method II			909	902	744	835	725