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156
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JFR
2006
15 years 6 months ago
2006
We present the design and implementation of a vision-based feature tracking system for an autonomous helicopter. Visual sensing is used for estimating the position and velocity of...
111
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PRL
2008
15 years 6 months ago
2008
In this paper, a new affine invariant of trapezia is introduced, and the projection of trapezia is deduced from this invariant. Known the lengths of the two parallel sides of a tr...
169
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IDA
1998
Springer
15 years 6 months ago
1998
Springer
A fast and simple algorithm for approximately calculating the principal components (PCs) of a data set and so reducing its dimensionality is described. This Simple Principal Compo...
166
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TMI
2002
15 years 6 months ago
2002
It has been shown that the difference of squares cost function used by standard realignment packages (SPM and AIR) can lead to the detection of spurious activations, because the mo...
177
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ICRA
2010
IEEE
15 years 5 months ago
2010
IEEE
— Classic registration methods for model-based tracking try to align the projected edges of a 3D model with the edges of the image. However, wrong matches at low level can make t...