A 23-μW Keyword Spotting IC With Ring-Oscillator-Based Time-Domain Feature Extraction.
Kwantae KimChang GaoRui GraçaIlya KiselevHoi-Jun YooTobi DelbruckShih-Chii LiuPublished in: IEEE J. Solid State Circuits (2022)
Keyphrases
- keyword spotting
- feature extraction
- frequency domain
- speech recognition
- speech processing
- hidden markov models
- printed documents
- feature vectors
- pattern recognition
- speaker identification
- image processing
- face recognition
- feature selection
- image classification
- document images
- feature space
- gabor filters
- speech signal
- handwritten documents
- signal processing
- document analysis