一种基于差异系数的稀疏度自适应图像去噪算法 (Sparsity-adaptive Image Denoising Algorithm Based on Difference Coefficient).
Lijuan JiaoWenjian WangPublished in: 计算机科学 (2018)
Keyphrases
- denoising algorithm
- denoising
- noise suppression
- image denoising
- noise level
- nonlocal means
- wavelet coefficients
- image classification
- noisy images
- image data
- noise model
- input image
- noise reduction
- multiscale
- transform domain
- wavelet domain
- cone beam computed tomography
- image segmentation
- high dimensional
- similarity measure
- test images
- image regions
- reference frame
- noise removal
- denoising methods
- segmentation method
- sparse representation
- high resolution
- computational complexity
- feature extraction
- face recognition
- image processing