Tensor Convolutional Dictionary Learning With CP Low-Rank Activations.
Pierre HumbertLaurent OudreNicolas VayatisJulien AudiffrenPublished in: IEEE Trans. Signal Process. (2022)
Keyphrases
- dictionary learning
- low rank
- sparse coding
- linear combination
- trace norm
- tensor decomposition
- high order
- group sparsity
- sparse representation
- natural images
- higher order
- missing data
- high dimensional data
- image classification
- image representation
- matrix factorization
- reconstruction error
- singular value decomposition
- unsupervised learning
- sparsity constraints
- matrix completion
- convex optimization
- small number
- semi supervised
- generative model
- diffusion tensor
- dimensionality reduction
- bag of words
- compressive sensing
- image patches
- visual words
- computer vision
- high dimensional
- feature space
- object recognition