Categorical missing data imputation approach via sparse representation.
Xiaochen ShaoSen WuXiaodong FengRui SongPublished in: Int. J. Serv. Technol. Manag. (2016)
Keyphrases
- sparse representation
- missing data imputation
- missing values
- dictionary learning
- sparse coding
- high dimensional data
- image classification
- image representation
- face recognition
- compressive sensing
- image patches
- signal processing
- dimensionality reduction
- low dimensional
- sparse coefficients
- joint optimization
- machine learning
- nearest neighbor
- multi class
- manifold learning
- knn
- high dimensional
- multiscale
- bayesian networks
- image segmentation