Joint DOA and multi-pitch estimation via block sparse dictionary learning.
Ted KronvallStefan Ingi AdalbjornssonAndreas JakobssonPublished in: EUSIPCO (2014)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- group sparsity
- object category recognition
- linear combination
- dictionary learning for sparse
- sparsity constraints
- image patches
- image classification
- natural images
- high dimensional
- similarity measure
- compressive sensing
- pattern recognition
- neural network
- image processing
- face recognition
- structured sparsity
- multiscale
- estimation error
- dimensionality reduction
- object recognition
- high dimensional data
- prior knowledge
- signal processing