A Multi-Resolution Denoising Method for Low-Dose CT Based on the Reconstruction of Wavelet High-Frequency Channel.
Jinnan HuPeijun HuYiwei GaoYanxia ZhaoJingsong LiPublished in: MedInfo (2023)
Keyphrases
- high frequency
- low dose
- multiresolution
- wavelet coefficients
- denoising methods
- image denoising
- computer tomography
- denoising algorithm
- wavelet transform
- computed tomography
- noisy images
- wavelet domain
- x ray
- subband
- multi resolution analysis
- image reconstruction
- ct scans
- low frequency
- ct images
- visual quality
- wavelet decomposition
- contrast enhancement
- denoising
- medical images
- discrete wavelet transform
- wavelet packet
- imaging modalities
- three dimensional
- filter bank
- lung nodules
- subband decomposition
- reconstructed image
- high resolution
- clinical applications
- medical imaging
- ct data
- image compression
- image coding
- multiscale
- bitstream
- sar images
- region of interest
- image processing
- noise reduction
- intraoperative
- spatial resolution