Low-dose CT image denoising based on edge prior and high-frequency sensitive feature fusion network.
Xueying CuiYingting GuoWenqiang HaoHong ShangguanXiong ZhangBin LiuAnhong WangLizhong JinPublished in: Signal Image Video Process. (2023)
Keyphrases
- high frequency
- image denoising
- low dose
- wavelet coefficients
- wavelet domain
- low frequency
- computed tomography
- x ray
- denoising
- wavelet transform
- contourlet transform
- noisy images
- visual quality
- subband
- ct scans
- natural images
- ct images
- multiscale
- image processing
- contrast enhancement
- discrete wavelet transform
- imaging modalities
- high resolution
- lung nodules
- computer tomography
- edge detection
- multiresolution
- medical images
- three dimensional
- bitstream
- feature extraction
- machine learning
- image reconstruction
- image segmentation
- frequency domain
- feature vectors