Algorithm for sparse representation minimizing mean square error of power spectrograms.
Yuma TanakaTakahiro OgawaMiki HaseyamaPublished in: DSP (2015)
Keyphrases
- sparse representation
- learning algorithm
- reconstruction error
- k means
- image classification
- sparse coefficients
- sparse reconstruction
- negative matrix factorization
- probabilistic model
- decision trees
- image features
- feature vectors
- image representation
- objective function
- face recognition
- image processing
- machine learning