A robust mixed error coding method based on nonconvex sparse representation.
Wei LvChao ZhangHuaxiong LiBo WangChunlin ChenPublished in: Inf. Sci. (2023)
Keyphrases
- sparse representation
- coding method
- sparse coding
- dictionary learning
- reconstruction error
- norm minimization
- coding scheme
- natural images
- face recognition
- image classification
- image representation
- compressive sensing
- bit rate
- convex optimization
- image patches
- test images
- linear combination
- high dimensional data
- generative model
- signal processing
- dimensionality reduction
- unsupervised learning
- compression ratio
- joint optimization
- machine learning
- pattern recognition
- high quality
- feature extraction
- image processing