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SIBGRAPI
2006
IEEE
16 years 25 days 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
16 years 25 days 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
SIBGRAPI
2006
IEEE
16 years 25 days ago
Estimation of Multiple Orientations and Multiple Motions in Multi-Dimensional Signals
The estimation of multiple orientations in multidimensional signals is a strongly non-linear problem to which a two-step solution is here presented. First, the problem is lineariz...
Ingo Stuke, Erhardt Barth, Cicero Mota
VTC
2006
IEEE
171views Communications» more  VTC 2006»
16 years 25 days ago
Analysis of Spatial Multiplexing for Cross-Layer Design of MIMO Ad Hoc Networks
— We consider the application of spatial multiplexing to ad hoc networks where nodes have multiple antennas. At the physical level, we suppose that layered space–time multiuser...
Marco Levorato, Stefano Tomasin, Paolo Casari, Mic...
WETICE
2006
IEEE
16 years 25 days ago
Curball--A Prototype Tangible Game for Inter-Generational Play
Older people have been the focus of research for ubiquitous computing applications. While many of these are understandably focused on health and aging in place issues, there is al...
Dagmar Kern, Mark Stringer, Geraldine Fitzpatrick,...