858 search results - page 28 / 172 » An Efficient Spatial Search Method Based on SG-Tree |
AAAI
2010
13 years 10 months ago
2010
Goal-directed path planning is one of the basic and widely studied problems in the field of mobile robotics. Homotopy classes of trajectories, arising due to the presence of obsta...
TWC
2010
13 years 3 months ago
2010
Abstract--One of the major drawbacks of orthogonal frequency division multiplexing (OFDM) signals is the high peak to average power ratio (PAPR) of the transmitted signal. Many PAP...
CVPR
2010
IEEE
13 years 11 months ago
2010
IEEE
Image similarity search is a fundamental problem in computer vision. Efficient similarity search across large image databases depends critically on the availability of compact ima...
ICRA
2002
IEEE
14 years 2 months ago
2002
IEEE
Most physically implemented multi-robot controllers are based on extensions of behavior-based systems. While efficient, such techniques suffer from weak representational power. Sy...
TC
2010
13 years 7 months ago
2010
—Previous multikeyword search in DHT-based P2P systems often relies on multiple single keyword search operations, suffering from unacceptable traffic cost and poor accuracy. Prec...