SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
—The strategies for the preservation of historical documents can include their digitization, which is an effective way to make them publicly available while preventing degradatio...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
Shape discretization through union of weighted points or balls appears as a common representation in different fields of computer graphics and geometric modeling. Among others, it...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
We have designed and implemented a multi-linear discriminant method of constructing and quantifying statistically significant changes on human identity photographs. The method is...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
—We present the Hermite radial basis function (HRBF) implicits method to compute a global implicit function which interpolates scattered multivariate Hermite data (unstructured p...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
Appearance information is essential for applications such as tracking and people recognition. One of the main problems of using appearance-based discriminative models is the ambig...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
—Network cameras, extensively used in video surveillance, often allow pan-tilt-zoom functionality and are also subject to wind load and mount vibrations, thus causing video frame...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
—This work aims at investigating the influence of luminance information and environment illumination on skin classification. We explore Bayesian approaches to perform automatic...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
Abstract—The ability to filter improper content from multimedia sources based on visual content has important applications, since text-based filters are clearly insufficient a...
SIBGRAPI
2009
IEEE
13 years 11 months ago
2009
IEEE
—This paper proposes an improved version for the JSEG color image segmentation algorithm, combining the classical JSEG algorithm and a local fractal operator that measures the fr...