Patch-Driven Tongue Image Segmentation Using Sparse Representation.
Weixia LiuChangen ZhouZuoyong LiZhongyi HuPublished in: IEEE Access (2020)
Keyphrases
- sparse representation
- image patches
- image segmentation
- dictionary learning
- sparse coding
- image classification
- face recognition
- joint optimization
- test images
- reconstruction error
- signal processing
- multiscale
- random projections
- active contours
- graph cuts
- compressed sensing
- segmentation method
- computer vision
- dimensionality reduction
- image representation
- active contour model
- high dimensional data
- sparse approximations
- level set method
- compressive sensing
- image processing
- superpixels
- level set
- negative matrix factorization
- markov random field
- segmentation algorithm
- pattern recognition
- regularized least squares
- sparse coefficients
- energy function
- unsupervised learning
- natural images
- semi supervised
- feature space