SIBGRAPI
2003
IEEE
14 years 4 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 4 months ago
2003
IEEE
SIBGRAPI
2003
IEEE
14 years 4 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 4 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 4 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 4 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 4 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...
PVG
2003
IEEE
14 years 4 months ago
2003
IEEE
A number of problems are well suited for volumetric representation for both simulation and storage, however, the large amount of data that needs to be processed and rendered with ...
DCC
2003
IEEE
14 years 4 months ago
2003
IEEE
—This paper introduces a new high-rate analysis of the multiple description scalar quantizer (MDSQ) with balanced descriptions. The analysis provides insight into the structure o...
DCC
2003
IEEE
14 years 4 months ago
2003
IEEE