This paper presents a hierarchical-compositional model of human faces, as a three-layer AND-OR graph to account for the structural variabilities over multiple resolutions. In the A...
We consider that multi-scale visualization interfaces support users to view different levels of scales simultaneously and to understand large-scale, complex 3D information in 3D d...
This paper is concerned with the performance evaluation of fingerprint verification systems. After an initial classification of biometric testing initiatives, we explore both the t...
Two years ago the Faculty of Mathematics and Informatics at Sofia University makes a decision to design a new series of Logo-based courses which make use of the modern technology....
This paper takes one step towards addressing the question of how activity mediated by shared representations--notations that are manipulated by more than one person during a collab...