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JUCS
2007
104views more  JUCS 2007»
15 years 6 months ago
Real-time Architecture for Robust Motion Estimation under Varying Illumination Conditions
: Motion estimation from image sequences is a complex problem which requires high computing resources and is highly affected by changes in the illumination conditions in most of th...
Javier Díaz, Eduardo Ros, Rafael Rodr&iacut...
CGF
1998
101views more  CGF 1998»
15 years 6 months ago
Rapid and Accurate Contact Determination between Spline Models using ShellTrees
In this paper, we present an e cient algorithm for contact determination between spline models. We make use of a new hierarchy, called ShellTree, that comprises of spherical shell...
Shankar Krishnan, M. Gopi, Ming C. Lin, Dinesh Man...
IJCV
1998
153views more  IJCV 1998»
15 years 6 months ago
Rational Filters for Passive Depth from Defocus
A fundamental problem in depth from defocus is the measurement of relative defocus between images. The performance of previously proposed focus operators are inevitably sensitive t...
Masahiro Watanabe, Shree K. Nayar
TMI
2002
115views more  TMI 2002»
15 years 6 months ago
Discretization of the Radon transform and of its inverse by spline convolutions
Abstract--We present an explicit formula for B-spline convolution kernels; these are defined as the convolution of several B-splines of variable widths and degrees . We apply our r...
Stefan Horbelt, Michael Liebling, Michael Unser
CGF
2008
184views more  CGF 2008»
15 years 6 months ago
GPU Accelerated Direct Volume Rendering on an Interactive Light Field Display
We present a GPU accelerated volume ray casting system interactively driving a multi-user light field display. The display, driven by a single programmable GPU, is based on a spec...
Marco Agus, Enrico Gobbetti, José Antonio I...