A retrieval algorithm of encrypted speech based on syllable-level perceptual hashing.
Shaofang HeHuan ZhaoPublished in: Comput. Sci. Inf. Syst. (2017)
Keyphrases
- preprocessing
- detection algorithm
- computational cost
- objective function
- k means
- optimization algorithm
- segmentation algorithm
- expectation maximization
- dynamic programming
- information retrieval
- np hard
- search space
- computational complexity
- similarity measure
- worst case
- information retrieval systems
- particle swarm optimization
- multimedia
- neural network
- n gram
- matching algorithm
- convergence rate
- recognition algorithm