Sampling Sparse Representations with Randomized Measurement Langevin Dynamics.
Kafeng WangHaoyi XiongJiang BianZhanxing ZhuQian GaoZhishan GuoCheng-Zhong XuJun HuanDejing DouPublished in: ACM Trans. Knowl. Discov. Data (2021)
Keyphrases
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- negative matrix factorization
- image patches
- image classification
- orthogonal matching pursuit
- compressed sensing
- compressive sensing
- random sampling
- regularized least squares
- random projections
- object tracking
- dimensionality reduction
- joint optimization
- high dimensional data
- sparse reconstruction
- test images
- object recognition
- single image super resolution
- training data
- machine learning
- signal processing
- image representation