Abstraction is one of the central notions in philosophy and cognitive science. Though its origins are often traced to Locke, various senses of abstraction have been developed in fields as diverse as philosophy, psychology, cognitive science, artificial intelligence, and computer science (e.g. Barsalou 2005). The notion of abstraction on which I am focusing here is as that of a process of simila...

The new demarcation in Kosi Bay, trying to reverse the spatial legacy of apartheid, has resulted in competition and new environmental conflicts between political structures, conservation authorities and local communities. The current complex governance framework is attempting to overcome the problems created by the political structures of the apartheid era – during which time the declaration of...

In this paper, we present a new approach for watermarking of medical image that we are trying to adapt to telemedicine. This approach is intended to insert a set of data in a medical image. These data should be imperceptible and robust to various attacks. It’s containing the signature of the original image, the data specific to the patient and his diagnostic. The purpose of the watermarking met...