This paper introduces Temporal Social Surfaces. Temporal Social Surfaces show the dynamic evolution of social relationships in groups. Changes in measures of social network analys...
Although recorded demonstrations (screen capture animations with narration) have become a popular form of instruction for user interfaces, little work has been done to describe gui...
This paper presents a new framework for drawing graphs in three dimensions. In general, the new framework uses a divide and conquer approach. More specifically, the framework divi...
In this paper, we present a novel reversible watermarking scheme for image authentication for JPEG/JPEG-2000 coded images. Since the watermarking scheme is reversible, the exact o...
Polygonal meshes are used in many areas to model different objects and structures. Depending on their applications, they sometimes have to be processed to, for instance, reduce th...
Samuel S. Silva, Joaquim Madeira, Beatriz Sousa Sa...