Spotting Symbol Using Sparsity over Learned Dictionary of Local Descriptors.
Thanh-Ha DoSalvatore TabboneOriol Ramos TerradesPublished in: Document Analysis Systems (2014)
Keyphrases
- sparse representation
- learned dictionary
- compressive sensing
- sparse coding
- image patches
- face recognition
- image classification
- random projections
- dimensionality reduction
- signal processing
- high dimensional data
- test images
- machine learning
- image representation
- high dimensionality
- prior knowledge
- pattern recognition