A Two-Step Denoising Method for Low Dose Computed Tomography Image via Morphological Component Analysis and Non-Local Means.
Lina JiaQuan ZhangYi LiuWenbin ChenNa WangZhiguo GuiGuanru YangPublished in: J. Medical Imaging Health Informatics (2019)
Keyphrases
- computed tomography
- denoising methods
- low dose
- component analysis
- denoising
- denoising algorithm
- ct images
- image denoising
- computer tomography
- ct scans
- medical images
- medical imaging
- contrast enhancement
- noisy images
- image reconstruction
- x ray
- multiscale
- noise reduction
- image processing
- image segmentation
- image data
- lung nodules
- ct data
- region of interest
- image analysis
- three dimensional
- natural images
- input image
- image representation
- image features
- high resolution
- noise model
- factor analysis
- wavelet domain
- edge detection
- imaging modalities
- image enhancement
- computer vision
- gaussian noise
- color images
- patient specific
- x ray images
- automatic segmentation
- intraoperative
- wavelet coefficients