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SIBGRAPI
2006
IEEE
14 years 1 months ago
Plausible Image Based Soft Shadows Using Occlusion Textures
This paper presents a novel image-based approach to render plausible soft shadows for complex dynamic scenes with rectangular light sources. The algorithm's performance is mo...
Elmar Eisemann, Xavier Décoret
SIBGRAPI
2006
IEEE
14 years 1 months ago
A Computer-Assisted Colorization Algorithm based on Topological Difference
Region-based approaches to cel painting typically use shape similarity and topology relations between regions of consecutive animation frames. This paper presents a new colorizati...
Hedlena M. de A. Bezerra, Bruno Feijó, Luiz...
SIBGRAPI
2006
IEEE
14 years 1 months ago
Increasing statistical power in medical image analysis
In this paper, we present a novel method for estimating the effective number of independent variables in imaging applications that require multiple hypothesis testing. The method ...
Alexei Manso Correa Machado
SIBGRAPI
2006
IEEE
14 years 1 months ago
Expression Transfer between Photographs through Multilinear AAM's
Expression Transfer is a method for mapping a photographed expression performed by a given subject onto the photograph of another person’s face. Building on well succeeded previ...
Ives Macedo, Emilio Vital Brazil, Luiz Velho
SIBGRAPI
2006
IEEE
14 years 1 months ago
Improved FingerCode Matching Function
FingerCode is a fingerprint correlation matching scheme that relies on texture information. In this scheme, the oriented components are extracted from a fingerprint image using a ...
Gustavo de Sa, Roberto de Alencar Lotufo