Significance of dictionary for sparse coding based pose invariant face recognition.
Shejin ThavalengalSrimanta MandalAnil Kumar SaoPublished in: NCC (2014)
Keyphrases
- pose invariant face recognition
- sparse coding
- sparse representation
- face recognition
- sparse codes
- dictionary learning
- discriminative dictionary
- sparse representation based classification
- image classification
- group sparsity
- natural images
- object category recognition
- discriminative power
- linear combination
- image patches
- compressive sensing
- single image super resolution
- computer vision
- generative model
- face images
- image representation
- person re identification
- unsupervised learning
- sparse approximation
- feature space
- feature extraction
- principal component analysis
- input image
- image features
- high dimensional
- data sets