"feature extraction"

Prewarping Siamese Network: Learning Local Representations for Online Signature Verification

We propose a neural network-based framework for learning local representations of multivariate time series, and demonstrate its effectiveness for online signature verification. In contrast to related works that optimize a global distance objective, …

Towards automatic image understanding and mining via social curation

The amount and variety of multimedia data such as images, movies and music available on over social networks are increasing rapidly. However, the ability to analyze and exploit these unorganized multimedia data remains inadequate, even with …