Image Clustering by Source Camera via Sparse Representation.
Quoc-Tin PhanGiulia BoatoFrancesco G. B. De NatalePublished in: MFSec@ICMR (2017)
Keyphrases
- sparse representation
- image classification
- image representation
- test images
- reconstruction error
- image data
- dictionary learning
- piecewise smooth
- input image
- image features
- sparse coefficients
- sparse coding
- image retrieval
- object tracking
- face recognition
- image segmentation
- clustering algorithm
- image regions
- single image
- high resolution
- basis vectors
- multiscale
- high dimensional data
- structure from motion
- image matching
- image patches
- image set
- training data
- random projections
- compressive sensing
- sparse reconstruction
- data points
- signal processing
- negative matrix factorization
- similarity measure
- natural images
- machine learning