Globally Variance-Constrained Sparse Representation for Rate-Distortion Optimized Image Representation.
Xiang ZhangSiwei MaZhouchen LinJian ZhangShiqi WangWen GaoPublished in: DCC (2017)
Keyphrases
- image representation
- sparse representation
- rate distortion optimized
- image classification
- dictionary learning
- sparse coding
- video coding
- multiscale
- bag of words
- rate distortion
- object recognition
- compressive sensing
- random projections
- bitstream
- feature space
- image features
- image retrieval
- video streaming
- quadtree
- image patches
- joint optimization
- scene classification
- visual words
- object tracking
- bit rate
- computer vision
- macroblock
- test images
- motion estimation