A retrieval algorithm for encrypted speech based on perceptual hashing.
Huan ZhaoShaofang HePublished in: ICNC-FSKD (2016)
Keyphrases
- experimental evaluation
- detection algorithm
- dynamic programming
- learning algorithm
- preprocessing
- objective function
- search space
- k means
- multimedia
- expectation maximization
- optimization algorithm
- convergence rate
- optimal solution
- significant improvement
- computational cost
- worst case
- image database
- particle swarm optimization
- genetic algorithm
- retrieval systems