Vec2Doc: Transforming Dense Vectors into Sparse Representations for Efficient Information Retrieval.
Fabio CarraraClaudio GennaroLucia VadicamoGiuseppe AmatoPublished in: SISAP (2023)
Keyphrases
- sparse representation
- information retrieval
- dictionary learning
- image classification
- sparse coding
- sparse reconstruction
- joint optimization
- higher order
- regularized least squares
- compressed sensing
- document collections
- high dimensional data
- manifold learning
- data sets
- image representation
- signal processing
- feature space
- machine learning