Image error concealment using sparse representations over a trained dictionary.
Ali AkbariMaria TrocanBertrand GranadoPublished in: PCS (2016)
Keyphrases
- sparse representation
- image classification
- image representation
- error concealment
- test images
- coded images
- dictionary learning
- image features
- input image
- sparse coefficients
- multiscale
- image data
- single image
- sparse coding
- image segmentation
- compressive sensing
- image retrieval
- image patches
- high resolution
- joint optimization
- packet loss
- computer vision
- signal processing
- orthogonal matching pursuit
- feature space
- visual quality
- image reconstruction
- object recognition
- similarity measure
- high frequency
- high dimensional data
- data sets
- feature vectors
- image quality