SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
Abstract. Mathematical morphology has become a widely used technique for image processing and computer vision. Initially designed as a set theory, it was generalized to the set of ...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
: In this work we introduce an iterative method that deforms brain models built from tomographic images. The deformation is used for normalization purposes: individual models are d...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
This work proposes the use of an adaptive neighborhood procedure to extract local statistical properties of images in order to improve a speckle noise "Maximum a Posteriori &q...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
Abstract. In this work we study the problem of reconstructing an image from a perceptual segmentation based on a geometric classification of its points using non-linear curvature f...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
Advanced Human Computer Interaction (HCI) techniques are required to enhance current computer interfaces. In this paper we present an eye gaze tracking system based on a robust low...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
Many computer applications are currently using digital video. Recent advances in digital imaging and faster networking infrastructure made this technology very popular, not only fo...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
Abstract. This paper describes an algorithm for generating unstructured triangulations for arbitrarily shaped twodimensional regions. The algorithm works for regions without cracks...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
We study the performance of affine arithmetic as a replacement for interval arithmetic in interval methods for ray casting implicit surfaces. Affine arithmetic is a variant of inte...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
This work describes a framework for dealing with attention and categorization using a robot platform consisting of an articulated stereo-head with four degrees of freedom (pan, til...
SIBGRAPI
1999
IEEE
13 years 11 months ago
1999
IEEE
This work describes an approach for face detection, which is the rst stage of any fully automatedhumanface recognition system. We propose several enhancements to a feature-based ap...