Reconstruction of Sparse Signals and Compressively Sampled Images Based on Smooth l 1-Norm Approximation.
Jawad Ali ShahIjaz Mansoor QureshiYiming DengKushsairy Abdul KadirPublished in: J. Signal Process. Syst. (2017)
Keyphrases
- band limited
- dense correspondences
- three dimensional
- image database
- input image
- reconstruction process
- signal reconstruction
- compressed sensing
- image data
- image features
- integral imaging
- image registration
- high resolution images
- piecewise smooth
- image reconstruction
- image classification
- edge detection
- sparsely sampled
- test images
- computerized tomography
- multiple images
- tomographic images
- compressive sensing
- signal processing
- multidimensional signals
- object recognition
- piecewise constant
- reconstruction method
- image set
- image analysis
- positron emission tomography
- shape recovery
- natural images
- sparse reconstruction
- d objects
- image retrieval
- gaussian white noise