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SIBGRAPI
2006
IEEE
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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
13 years 11 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