Memory-assisted seismic signal compression based on dictionary learning and sparse coding.
Xin TianAfshin AbdiEntao LiuFaramarz FekriPublished in: GlobalSIP (2017)
Keyphrases
- dictionary learning
- sparse coding
- signal processing
- sparse representation
- natural images
- image classification
- compressive sensing
- linear combination
- unsupervised learning
- image representation
- object category recognition
- group sparsity
- sparse codes
- generative model
- discriminative power
- image patches
- single image super resolution
- visual words
- computer vision
- feature space
- pattern recognition
- machine learning
- data sets
- supervised learning
- bag of words
- small number
- high dimensional