On Centered and Compact Signal and Image Derivatives for Feature Extraction.
Konstantinos K. DelibasisAristides I. KechriniotisIlias MaglogiannisPublished in: AIAI (2013)
Keyphrases
- image derivatives
- feature extraction
- frequency domain
- flow field
- signal processing
- spatio temporal
- color information
- gabor filters
- preprocessing
- boundary information
- principal component analysis
- feature vectors
- image classification
- feature selection
- salient points
- reconstruction error
- face recognition
- surface normals
- feature detectors
- high frequency
- texture features
- local binary pattern
- spatial and temporal
- objective function
- image processing