A Study on a Combination of Sparse Coding and Dictionary Learning Algorithms for Sparse Super-Resolution.
Yoshitaka MikuniShin KawaiHajime NobuharaPublished in: GCCE (2019)
Keyphrases
- sparse coding
- single image super resolution
- sparse representation
- super resolution
- image super resolution
- dictionary learning
- sparse codes
- image patches
- high resolution
- image classification
- natural images
- low resolution
- learning algorithm
- discriminative dictionary
- image representation
- compressive sensing
- generative model
- unsupervised learning
- image restoration
- high dimensional
- low resolution images
- high quality
- feature space
- test images
- super resolution reconstruction
- face recognition
- high resolution images
- image reconstruction
- motion estimation
- sparse coefficients
- machine learning
- image processing
- data sets
- text classification
- super resolved
- feature extraction
- visual words
- co occurrence
- dimensionality reduction