Dictionary learning and similarity regularization based image noise reduction.
Shuyuan YangLinfang ZhaoMin WangYueyuan ZhangLicheng JiaoPublished in: J. Vis. Commun. Image Represent. (2013)
Keyphrases
- noise reduction
- dictionary learning
- edge detection
- wiener filter
- edge preservation
- bilateral filter
- sparse coding
- edge preserving
- similarity measure
- image classification
- sparse representation
- input image
- image data
- image representation
- image retrieval
- image features
- multiscale
- signal to noise ratio
- noisy images
- median filter
- image segmentation
- noise removal
- image denoising
- test images
- image regions
- object recognition
- pixel values
- bilateral filtering
- spatial information
- image enhancement
- machine learning
- high resolution
- image processing