Denoising Natural Images Using Sparse Coding Algorithm Based on the Kurtosis Measurement.
Li ShangFeng-Wen CaoJie ChenPublished in: ISNN (2) (2008)
Keyphrases
- natural images
- sparse coding
- denoising
- image denoising
- image statistics
- higher order
- natural scenes
- test images
- image patches
- image classification
- multiscale
- learning algorithm
- object recognition
- k means
- expectation maximization
- input image
- em algorithm
- sparse representation
- keypoints
- image processing
- feature selection
- computer vision
- natural image statistics
- machine learning
- super resolution
- unsupervised learning
- linear combination
- probabilistic model
- visual words
- active learning
- wavelet packet