DD-DCSR: Image Denoising for Low-Dose CT via Dual-Dictionary Deep Convolutional Sparse Representation.
Shu LiYi LiuRongbiao YanHaowen ZhangShubin WangTing DingZhiguo GuiPublished in: IEEE Trans. Computational Imaging (2024)
Keyphrases
- sparse representation
- image denoising
- low dose
- sparse coding
- x ray
- computed tomography
- denoising
- noisy images
- ct scans
- imaging modalities
- ct images
- natural images
- lung nodules
- total variation
- computer tomography
- image patches
- image classification
- contrast enhancement
- image processing
- face recognition
- wavelet coefficients
- medical imaging
- compressive sensing
- three dimensional
- signal processing
- image reconstruction
- image representation
- medical images
- high dimensional data
- dimensionality reduction
- denoising algorithm
- pattern recognition
- sparse learning
- multiscale
- intraoperative
- color images
- high resolution
- object recognition