Hybrid sparse-representation-based approach to image super-resolution reconstruction.
Di ZhangJiazhong HePublished in: J. Electronic Imaging (2017)
Keyphrases
- super resolution reconstruction
- sparse representation
- image super resolution
- image classification
- dictionary learning
- image representation
- test images
- low resolution images
- high resolution
- image data
- space time
- super resolution
- low resolution
- multi frame
- image retrieval
- input image
- high resolution images
- face recognition
- image features
- sparse coefficients
- multiscale
- sparse coding
- compressive sensing
- image segmentation
- image interpolation
- signal processing
- object recognition
- high quality
- interpolation method
- pattern recognition
- pixel values
- maximum a posteriori
- dimensionality reduction
- image regions
- energy function