Unsupervised images segmentation via incremental dictionary learning based sparse representation.
Shuyuan YangYuan LvYu RenLixia YangLicheng JiaoPublished in: Inf. Sci. (2014)
Keyphrases
- sparse representation
- dictionary learning
- test images
- image classification
- sparse coding
- image super resolution
- piecewise smooth
- face recognition
- compressive sensing
- image patches
- random projections
- sparsity constraints
- compressed sensing
- signal processing
- negative matrix factorization
- dimensionality reduction
- input image
- image data
- unsupervised learning
- image representation
- group sparsity
- image regions
- semi supervised
- computer vision
- high dimensional data
- image features
- ground truth
- image segmentation
- single image super resolution
- sparse codes
- generative model
- natural images
- high dimensional
- pairwise
- object recognition
- multiscale
- image processing
- data sets