Pan-Sharpening for Spectral Details Preservation Via Convolutional Sparse Coding in Non-Subsampled Shearlet Space.
Dhara J. SanganiRajesh Amratlal ThakkerSumankumar D. PanchalRajesh GogineniPublished in: Int. J. Image Graph. (2023)
Keyphrases
- sparse coding
- natural images
- sparse representation
- dictionary learning
- basis vectors
- linear combination
- image classification
- unsupervised learning
- generative model
- image representation
- image patches
- visual words
- sparse codes
- high dimensional
- feature space
- object category recognition
- spatial resolution
- computer vision
- higher order
- multiscale
- image denoising
- bag of words
- small number
- probabilistic model
- feature vectors
- high quality
- face recognition