Adaptive group sparse representation in fetal echocardiogram segmentation.
Yi GuoLi YuYuanyuan WangJinhua YuGuohui ZhouPing ChenPublished in: Neurocomputing (2017)
Keyphrases
- sparse representation
- dictionary learning
- test images
- sparse coding
- compressive sensing
- image classification
- face recognition
- object tracking
- reconstruction error
- segmentation algorithm
- negative matrix factorization
- image representation
- level set
- image patches
- regularized least squares
- signal processing
- compressed sensing
- random projections
- joint optimization
- sparsity constraints
- image segmentation
- segmentation method
- dimensionality reduction
- multiscale
- edge detection
- higher order
- principal component analysis
- feature extraction
- piecewise smooth
- high dimensional data
- piecewise constant
- computer vision
- neural network
- occlusion handling
- data sets