Keyphrases
- energy efficient
- keyword spotting
- feature extractor
- speech recognition
- feature extraction
- power consumption
- energy efficiency
- wireless sensor networks
- sensor networks
- hidden markov models
- energy consumption
- high speed
- speech signal
- pattern recognition
- low cost
- base station
- speaker identification
- recognition scheme
- feature values
- image classification
- feature vectors
- printed documents
- image processing
- language model
- texture descriptors
- data sets
- database
- feature space
- multiscale
- gabor filters
- texture analysis
- sensor nodes
- routing protocol
- sensor data
- image analysis
- handwritten documents
- face recognition
- machine learning
- database systems