y trees are well-known abstract structures. This paper proposes a new shape-based image retrieval method based on concavity trees. The proposed method has two main components. The...
Fingerprint verification is one of the most reliable personal identification methods in biometrics. In this paper, an effective fingerprint verification system is presented. We de...
In this paper, we propose a method to distinguish between handwritten and machine-printed characters with no need to locate character or text-line positions. We transform a local ...
In this paper we evaluate the effectiveness of two likelihood normalization techniques, the Background Model Set (BMS) and the Universal Background Model (UBM), for improving perf...
In this paper, we present an off-line cursive word handwriting recognition methodology. This is based on an additive fusion resulted after a novel combination of two different mod...
Basilios Gatos, Ioannis Pratikakis, Stavros J. Per...