Keyphrases
- particle swarm optimization pso
- particle swarm optimization
- particle swarm optimizer
- pso algorithm
- particle swarm optimisation
- particle swarm optimization algorithm
- multi objective
- digital images
- hybrid algorithm
- robust image watermarking
- hybrid particle swarm optimization
- copyright protection
- optimization algorithm
- genetic algorithm ga
- fragile watermarking
- watermarking scheme
- spread spectrum
- image watermarking
- shuffled frog leaping algorithm
- particle swarm
- global optimization
- image authentication
- watermarking algorithm
- hybrid pso
- fitness function
- swarm intelligence
- image fidelity
- digital image watermarking
- imperialist competitive algorithm
- pid controller
- inertia weight
- data hiding
- data sets
- convergence speed
- metaheuristic
- search space
- genetic algorithm