An efficient perceptual hashing based on improved spectral entropy for speech authentication.
Qiu-yu ZhangWen-Jin HuYi-Bo HuangSi-Bin QiaoPublished in: Multim. Tools Appl. (2018)
Keyphrases
- spectral features
- information theory
- low level
- data structure
- mutual information
- linear prediction
- information theoretic
- speech signal
- hyperspectral
- speech recognition
- human visual system
- random projections
- multispectral images
- perceptual grouping
- information entropy
- similarity search
- image authentication
- image quality
- recognition engine
- speaker adaptation