Convolutional adaptive denoising autoencoders for hierarchical feature extraction.
Qianjun ZhangLei ZhangPublished in: Frontiers Comput. Sci. (2018)
Keyphrases
- denoising
- feature extraction
- image processing
- spatially adaptive
- frequency domain
- image denoising
- natural images
- wavelet domain
- total variation
- noisy images
- denoising algorithm
- preprocessing
- feature vectors
- denoising methods
- wavelet denoising
- wavelet packet
- wavelet transform
- sparse coding
- gaussian noise
- feature set
- extracted features
- feature selection
- noise suppression
- least squares
- dimension reduction
- hierarchical structure
- coarse to fine
- pattern classification
- face recognition
- dimensionality reduction
- principal component analysis
- noise removal
- hierarchical model
- image classification
- discriminant analysis