Frequency-splitting dynamic MRI reconstruction using multi-scale 3D convolutional sparse coding and automatic parameter selection.
Thanh Nguyen-DucTran Minh QuanWon-Ki JeongPublished in: Medical Image Anal. (2019)
Keyphrases
- sparse coding
- parameter selection
- natural images
- multiscale
- single image super resolution
- image representation
- dictionary learning
- sparse representation
- image classification
- linear combination
- unsupervised learning
- generative model
- image patches
- high resolution
- higher order
- model selection
- neural network
- object recognition
- image reconstruction
- magnetic resonance images
- bag of words
- feature space
- visual words
- machine learning
- high quality
- test images
- image denoising
- high dimensional
- prior knowledge
- input image
- denoising