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ICCV
1999
IEEE
16 years 5 months ago
Using Model-Driven Bundle-Adjustment to Model Heads from Raw Video Sequences
We show that we can effectively and automatically fit a complex facial animation model to uncalibrated image sequences. Our approach is based on model-driven bundleadjustment foll...
Pascal Fua
ICCV
1999
IEEE
16 years 5 months ago
Independent Component Analysis of Textures
The technique of independent component analysis (ICA) is applied for texture feature detection. In ICA an optimal transformation (with respect to the statistical structure of the i...
Roberto Manduchi, Javier Portilla
DCC
1999
IEEE
15 years 8 months ago
Quantized Frame Expansions as Source-Channel Codes for Erasure Channels
Quantized frame expansions are proposed as a method for generalized multiple description coding, where each quantized coe cient is a description. Whereas previous investigations h...
Vivek K. Goyal, Jelena Kovacevic, Martin Vetterli
SCALESPACE
1999
Springer
15 years 8 months ago
A Geometric Functional for Derivatives Approximation
We develop on estimation method, for the derivative field of an image based on Bayesian approach which is formulated in a geometric way. The Maximum probability configuration of ...
Nir A. Sochen, Robert M. Haralick, Yehoshua Y. Zee...
CG
1999
Springer
15 years 3 months ago
Tracking in unprepared environments for augmented reality systems
Many Augmented Reality applications require accurate tracking. Existing tracking techniques require prepared environments to ensure accurate results. This paper motivates the need...
Ronald Azuma, Jong Weon Lee, Bolan Jiang, Jun Park...