Sparse Coding of Intra Prediction Residuals for Screen Content Coding.
Michael G. SchimpfNam LingYunhui ShiYing LiuPublished in: ICCE (2021)
Keyphrases
- sparse coding
- intra prediction
- coding method
- video coding standard
- coding efficiency
- sparse representation
- natural images
- image classification
- unsupervised learning
- linear combination
- image representation
- generative model
- bit rate
- image coding
- coding scheme
- spatial correlation
- higher order
- motion estimation
- image patches
- high dimensional
- feature space
- visual words
- prediction mode
- pixel wise
- multiscale
- inter frame
- small number
- computational complexity
- macroblock
- rate distortion
- motion vectors
- principal component analysis
- supervised learning
- block size
- wavelet transform