Motion Estimation in Echocardiography Using Sparse Representation and Dictionary Learning.
Nora OuzirAdrian BasarabHervé LiebgottBrahim HarbaouiJean-Yves TourneretPublished in: IEEE Trans. Image Process. (2018)
Keyphrases
- dictionary learning
- sparse representation
- motion estimation
- sparse coding
- image super resolution
- face recognition
- optical flow
- image sequences
- video sequences
- single image super resolution
- test images
- image classification
- reconstruction error
- image patches
- signal processing
- random projections
- high dimensional data
- image representation
- negative matrix factorization
- compressive sensing
- group sparsity
- compressed sensing
- sparse codes
- neural network
- super resolution
- dimensionality reduction
- sparsity constraints
- computer vision
- low resolution
- denoising
- object detection
- prior knowledge
- multiscale
- training data