Search Results - "Giraldi, G.A."

A strategy based on non-extensive statistics to improve frame-matching algorithms under large viewpoint changes by Wachs-Lopes, G.A., Horvath, M., Giraldi, G.A., Rodrigues, P.S.

“…In recent decades, methods to find invariant points in digital images, called fiducial points, have gained great attention, mainly due to the demands of…”
Get full text

Computing the q-index for Tsallis Nonextensive Image Segmentation by Rodrigues, P.S., Giraldi, G.A.

“…The concept of entropy based on Shannon Theory of Information has been applied in the field of image processing and analysis since the work of T. Pun. This…”
Get full text

Non-Extensive Entropy for CAD Systems of Breast Cancer Images by Rodrigues, P.S., Giraldi, G.A., Ruey-Feng Chang, Suri, J.S.

“…Recent statistics show that breast cancer is a major cause of death among women in all of the world. Hence, early diagnostic with computer aided diagnosis…”
Get full text

A Multi-linear Discriminant Analysis of 2D Frontal Face Images by Thomaz, C.E., do Amaral, V., Giraldi, G.A., Kitani, E.C., Sato, J.R., Gillies, D.F.

“…We have designed and implemented a multi-linear discriminant method of constructing and quantifying statistically significant changes on human identity…”
Get full text

Using Tsallis entropy into a Bayesian network for CBIR by Rodrigues, P.S., Giraldi, G.A., Araujo, Ade.A.

“…This paper presents a Bayesian network model for content-based image retrieval (CBIR). In the explanation and test of this work, only two images features…”
Get full text

A boundary extraction method based on Dual-T-Snakes and dynamic programming by Giraldi, G.A., Strauss, E., Oliveira, A.A.

“…The original proposal of active contour models, also called snakes, for image segmentation, suffers from a strong sensitivity to its initial position and can…”
Get full text

A boundary extraction approach based on multi-resolution methods and the T-Snakes framework by Giraldi, G.A., Strauss, E., Oliveira, A.A.F.

“…We present a new approach which integrates the T-Snakes model and a multi-resolution method in a unified framework for segmentation and boundary extraction. In…”
Get full text

Improving the original Dual-T-Snakes model by Giraldi, G.A., Strauss, E., Oliveira, A.A.F.

“…The dual-t-snakes model plus dynamic programming (DP) techniques is an efficient methodology for boundary extraction and segmentation of 2D images. However,…”
Get full text

A New Methodology Based on q-Entropy for Breast Lesion Classification in 3-D Ultrasound Images by Rodrigues, P.S., Giraldi, G.A., Provenzano, M., Faria, M.D., Ruey-Feng Chang, Suri, J.S.

“…Classification of breast lesions is clinically most relevant for breast radiologists and pathologists for early breast cancer detection. This task is not easy…”
Get full text

Distributed Visualization Using VTK in Grid Environments by Dutra, M., Rodrigues, P.S.S., Giraldi, G.A., Schulze, B.

“…In this paper we focus on distributed visualization using the visualization toolkit (VTK) in grid environments. We propose a distributed architecture, based on…”
Get full text

Implicit Dual Snakes for Medical Imaging by Giraldi, G.A., Rodrigues, P.S., Jasjit S Suri

“…Dual snake models are powerful techniques for boundary extraction and segmentation of 2D medical images. In these methods one contour contracts from outside…”
Get full text

Learning policies for attentional control by Goncalves, L.M.G., Giraldi, G.A., Oliveira, A.A.F., Grupen, R.A.

“…We propose two behaviourally active policies for attentional control. These policies must act based on a multi-modal sensory feedback. Two approaches are used…”
Get full text