A retrieval method for encrypted speech based on improved power normalized cepstrum coefficients and perceptual hashing.
Qiu-yu ZhangJian BaiFu-jiu XuPublished in: Multim. Tools Appl. (2022)
Keyphrases
- retrieval method
- linear predictive coding
- image retrieval
- similarity measurement
- content based image
- retrieval accuracy
- similarity matching
- linear prediction
- image database
- speech recognition
- nearest neighbor search
- low level
- higher order
- similarity search
- human perception
- hash functions
- retrieval scheme
- search engine