Evaluation of the sparse coding super-resolution method for improving image quality of up-sampled images in computed tomography.
Junko OtaKensuke UmeharaNaoki IshimaruShunsuke OhnoKentaro OkamotoTakanori SuzukiNaoki ShiraiTakayuki IshidaPublished in: Medical Imaging: Image Processing (2017)
Keyphrases
- super resolution
- high resolution images
- low resolution images
- image reconstruction
- image super resolution
- image quality
- single image super resolution
- sparse coding
- test images
- reconstruction method
- low resolution
- high resolution
- image patches
- computed tomography
- image data
- dictionary learning
- super resolution reconstruction
- pixel values
- motion estimation
- region of interest
- super resolved
- input data
- degraded images
- image regions
- natural images
- image analysis
- super resolution algorithm
- medical imaging
- back projection
- three dimensional
- image restoration
- image classification
- feature vectors
- object recognition
- feature extraction