Rate-Distortion Optimized Sparse Coding With Ordered Dictionary for Image Set Compression.
Xinfeng ZhangWeisi LinYabin ZhangShiqi WangSiwei MaLingyu DuanWen GaoPublished in: IEEE Trans. Circuits Syst. Video Technol. (2018)
Keyphrases
- image set
- sparse coding
- sparse representation
- sparse codes
- dictionary learning
- image classification
- natural images
- compression algorithm
- image compression
- face recognition
- face images
- image matching
- bitstream
- image representation
- linear combination
- image patches
- compression ratio
- coding method
- unsupervised learning
- rate distortion
- generative model
- signal processing
- visual words
- high dimensional
- feature space
- bag of words
- test images
- computational complexity
- multiscale
- video coding
- dimensionality reduction
- higher order