998 search results - page 155 / 200 » Sparse Image Reconstruction using Sparse Priors |
122
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ICIP
2002
IEEE
16 years 5 months ago
2002
IEEE
We consider the estimation of an unknown arbitrary 2D object shape from sparse noisy samples of its Fourier transform. The estimate of the closed boundarycurve is parametrized by ...
115
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ICISP
2010
Springer
15 years 2 months ago
2010
Springer
The tracking of prominent oscillations with time-varying frequencies is a common task in many signal processing applications. Therefore, efficient methods are needed to meet preci...
114
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CVPR
2010
IEEE
15 years 12 months ago
2010
IEEE
We present an automatic and efficient method to extract spatio-temporal human volumes from video, which combines top-down model-based and bottom-up appearancebased approaches. Fr...
111
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TITB
2008
15 years 3 months ago
2008
Segmentation of arterial wall boundaries from intravascular images is an important problem for many applications in the study of plaque characteristics, mechanical properties of t...
149
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ECCV
2002
Springer
16 years 5 months ago
2002
Springer
In this paper, efficient and generic tools for calibration and 3D reconstruction are presented. These tools exploit geometric constraints frequently present in man-made environmen...