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SIBGRAPI
2008
IEEE
14 years 2 months ago
PCA-Based 3D Face Photography
This paper presents a 3D face photography system based on a small set of training facial range images. The training set is composed by 2D texture and 3D range images (i.e. geometr...
Jesus P. Mena-Chalco, Ives Macedo, Luiz Velho, Rob...
VTC
2008
IEEE
139views Communications» more  VTC 2008»
14 years 2 months ago
Downlink Steered Space-Time Spreading For Multi-Carrier Transmission Over Frequency Selective Channels
— This paper presents a novel amalgam of Steered Space-Time Spreading (SSTS) and Orthogonal Frequency Division Multiple Access (OFDMA) designed for attaining both spatial diversi...
Nazar Sahal, Mohammed El-Hajjar, Lajos Hanzo
FOCS
2007
IEEE
14 years 2 months ago
Adaptive Simulated Annealing: A Near-optimal Connection between Sampling and Counting
We present a near-optimal reduction from approximately counting the cardinality of a discrete set to approximately sampling elements of the set. An important application of our wo...
Daniel Stefankovic, Santosh Vempala, Eric Vigoda
HPDC
2006
IEEE
14 years 1 months ago
Path Grammar Guided Trace Compression and Trace Approximation
Trace-driven simulation is an important technique used in the evaluation of computer architecture innovations. However using it for studying parallel computers and applications is...
Xiaofeng Gao, Allan Snavely, Larry Carter
AVSS
2005
IEEE
14 years 1 months ago
View registration using interesting segments of planar trajectories
We introduce a method for recovering the spatial and temporal alignment between two or more views of objects moving over a ground plane. Existing approaches either assume that the...
Walter Nunziati, Jonathan Alon, Stan Sclaroff, Alb...