A Comprehensive Study of Sparse Representation Techniques for Offline Signature Verification.
Elias N. ZoisDimitrios TsourounisIlias TheodorakopoulosAnastasios L. KesidisGeorge EconomouPublished in: IEEE Trans. Biom. Behav. Identity Sci. (2019)
Keyphrases
- signature verification
- sparse representation
- dictionary learning
- sparse coding
- face recognition
- random projections
- joint optimization
- signal processing
- compressive sensing
- image patches
- compressed sensing
- image classification
- high dimensional data
- image representation
- dynamic time warping
- sparsity constraints
- machine learning
- document analysis
- low dimensional
- dimensionality reduction
- neural network
- sparse coefficients