Contour tracking in echocardiographic sequences via sparse representation and dictionary learning.
Xiaojie HuangDonald P. DioneColin B. CompasXenophon PapademetrisBen A. LinAlda BregasiAlbert J. SinusasLawrence H. StaibJames S. DuncanPublished in: Medical Image Anal. (2014)
Keyphrases
- dictionary learning
- contour tracking
- sparse representation
- sparse coding
- particle filtering
- image classification
- face recognition
- object tracking
- corner detection
- reconstruction error
- compressive sensing
- image patches
- sparse codes
- image representation
- high dimensional data
- sparsity constraints
- group sparsity
- visual tracking
- signal processing
- dimensionality reduction
- data points
- pattern recognition
- image retrieval
- small number
- computer vision
- unsupervised learning