Acceleration and higher precision by discrete wavelet transform for single image super-resolution using convolutional neural networks.
Manh Tuan NguyenKeisuke IwaiTakashi MatsubaraTakakazu KurokawaPublished in: CANDAR (Workshops) (2021)
Keyphrases
- discrete wavelet transform
- convolutional neural networks
- single image super resolution
- sparse coding
- super resolution
- low resolution
- image patches
- multiresolution
- high frequency
- wavelet domain
- image fusion
- wavelet coefficients
- subband
- high resolution
- low frequency
- feature vectors
- sparse representation
- natural images
- unsupervised learning
- high quality
- image classification
- image processing
- higher order
- palmprint
- image sequences