A Low-Power Keyword Spotting System With High-Order Passive Switched-Capacitor Bandpass Filters for Analog-MFCC Feature Extraction.
Shiying ZhangFukun SuYi WangSongping MaiKong-Pang PunXian TangPublished in: IEEE Trans. Circuits Syst. I Regul. Pap. (2023)
Keyphrases
- high order
- bandpass
- low power
- feature extraction
- frequency domain
- mixed signal
- power consumption
- low cost
- high speed
- higher order
- low pass
- subband
- wavelet transform
- frequency band
- feature vectors
- image sensor
- face recognition
- filter bank
- pairwise
- feature set
- image processing
- low frequency
- pattern recognition
- feature space
- feature selection
- principal component analysis
- speech recognition
- markov random field
- high frequency
- real time
- zero crossing
- image quality
- gabor filters
- image coding
- speaker identification
- denoising