Unit-norm tight frame-based sparse representation with application to speech inpainting.
Huang BaiChuanrong HongSheng LiYimin D. ZhangXiumei LiPublished in: Digit. Signal Process. (2022)
Keyphrases
- sparse reconstruction
- sparse representation
- dictionary learning
- compressive sensing
- sparse coding
- regularized least squares
- norm minimization
- image classification
- reconstruction error
- joint optimization
- signal processing
- image representation
- compressed sensing
- face recognition
- sparse learning
- negative matrix factorization
- image patches
- test images
- data sets
- dimensionality reduction
- higher order
- image data
- object recognition
- sparse codes