Sparsity-enabled signal transient feature extraction using wavelet basis and constrained optimization algorithm.
Wei FanGaigai CaiWeiguo HuangZ. K. ZhuPublished in: ChinaSIP (2014)
Keyphrases
- optimization algorithm
- wavelet basis
- feature extraction
- wavelet analysis
- mexican hat
- wavelet transform
- frequency domain
- multi objective
- subband
- wavelet bases
- optimization method
- filter bank
- high frequency
- wavelet domain
- differential evolution
- wavelet decomposition
- preprocessing
- feature vectors
- particle swarm optimization pso
- optimization strategy
- evolutionary multi objective
- signal processing
- multiresolution
- image classification
- image processing
- discriminant analysis
- low frequency
- sparse representation
- wavelet coefficients
- artificial bee colony
- image compression
- pattern recognition
- multiscale
- face recognition
- factor analysis
- feature space
- basis functions
- hybrid optimization algorithm
- feature selection
- neural network
- wavelet packet
- principal component analysis
- image quality
- reinforcement learning
- evolutionary algorithm
- genetic algorithm
- bit rate