SIBGRAPI
2003
IEEE
14 years 5 months ago
2003
IEEE
The classical Douglas-Peucker line-simplification algorithm is recognized as the one that delivers the best perceptual representations of the original lines. It is used extensivel...
SIBGRAPI
2003
IEEE
14 years 5 months ago
2003
IEEE
SIBGRAPI
2003
IEEE
14 years 5 months ago
2003
IEEE
This paper presents a new approach based on morphological operators for application of biometric identification of individuals by segmentation and analysis of the iris. Algorithms ...
SIBGRAPI
2003
IEEE
14 years 5 months ago
2003
IEEE
We report on new results on the use of Algebraic Reconstruction Techniques (ART) for reconstructing from helical cone-beam Computerized Tomography (CT) data. We investigate two va...
SIBGRAPI
2003
IEEE
14 years 5 months ago
2003
IEEE
We present a system for collaborative conceptual design that allows users potentially located in geographically distant areas to cooperate by sketching, exploring and modifying the...
SIBGRAPI
2003
IEEE
14 years 5 months ago
2003
IEEE
Abstract. Authentication watermarking is a hidden data inserted into an image, in order to detect any alterations. It seems to be almost impossible to design a really secure authen...
SIBGRAPI
2003
IEEE
14 years 5 months ago
2003
IEEE
In this paper, we compare two distinct primal sketch feature extraction operators: one based on neural network feature learning and the other based on mathematical models of the f...