Generalized Time Warping Invariant Dictionary Learning for Time Series Classification and Clustering.
Ruiyu XuChao WangYongxiang LiJianguo WuPublished in: CoRR (2023)
Keyphrases
- dictionary learning
- sparse representation
- sparse coding
- image transformations
- clustering algorithm
- image super resolution
- unsupervised learning
- dynamic time warping
- group sparsity
- k means
- object category recognition
- high dimensional data
- data sets
- natural images
- signal processing
- data points
- sparse codes
- linear combination
- distance measure
- co occurrence
- image processing
- learning algorithm