With the vast amount of potential relevant documents on the Web, a key question for a retrieval system is how to achieve a high accuracy retrieval under current Web setting. The w...
Abstract. Self-Organizing Maps (SOM) is a powerful tool for clustering and discovering patterns in data. Competitive learning in the SOM training process focusses on finding a neu...
— Image segmentation is a critical task in computer vision. In the context of motion detection, a very popular segmentation approach is background substraction which consists in ...
Multi-hop wireless networks (such as ad-hoc or sensor networks) consist in sets of mobile nodes without the support of a pre-existing fixed infrastructure. For scalability purpose...
Nowadays the photo-capturing devices are no longer limited to digital cameras but include mobile phones, PDAs and others. This is leading to a new problem: a very large number of ...
Yuri Almeida Lacerda, Hugo Feitosa de Figueir&ecir...