Segmentation of MR images via discriminative dictionary learning and sparse coding: Application to hippocampus labeling.
Tong TongRobin WolzPierrick CoupéJoseph V. HajnalDaniel RueckertPublished in: NeuroImage (2013)
Keyphrases
- dictionary learning
- mr images
- sparse coding
- medical images
- sparse codes
- object category recognition
- sparse representation
- unsupervised learning
- brain structures
- magnetic resonance images
- natural images
- mri data
- linear combination
- image classification
- group sparsity
- discriminative dictionary
- generative model
- image segmentation
- multiscale
- image patches
- high dimensional
- image representation
- medical imaging
- image data
- machine learning
- face recognition
- feature extraction
- object recognition
- small number
- shape analysis
- visual words
- dimensionality reduction
- feature space
- bag of words
- semi supervised
- diffusion weighted