Research Article

Constructing HVS-Based Optimal Substitution Matrix Using Enhanced Differential Evolution

Table 1

Summarizations of the simulated experiments and the proposed scheme.

ā€‰(a) Experiment I(b) Experiment II(c) Experiment III(d) Ours

With substitution matrixNoYesYesYes
Fitness functionā€”PSNRMSSIMMSSIM
Embedding wayEquation (2)Equation (2)Equation (2)ModEmbedding
Extracting wayEquation (3)Equation (3)Equation (3)Equation (3)