The reconstruction of 2D sparse signals by exploiting transform coefficients variances.
Milos BrajovicIrena OrovicMilos DakovicSrdjan StankovicPublished in: EUROCON (2017)
Keyphrases
- transform coefficients
- signal reconstruction
- reconstructed image
- image reconstruction
- reconstruction error
- compressive sensing
- transform domain
- sparse representation
- image compression
- bit rate
- spatial resolution
- image quality
- subband
- post processing
- sparse coding
- coding scheme
- signal processing
- compression ratio
- visual quality
- image coder
- three dimensional
- super resolution
- high dimensional
- test images
- least squares
- wavelet transform
- preprocessing
- multiscale
- computer vision
- sparse signal representation