4413 search results - page 42 / 883 » New Directions for CACM |
148
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ICIP
2007
IEEE
15 years 12 months ago
2007
IEEE
Traditional 2D DCT implemented by separable 1D transform in horizontal and vertical directions does not take image orientation features in a local window into account. To improve ...
114
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ICMCS
2006
IEEE
15 years 11 months ago
2006
IEEE
- Nearly all block-based transform schemes for image and video coding developed so far choose the 2-D discrete cosine transform (DCT) of a square block shape. With almost no except...
187
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ICWMC
2006
IEEE
15 years 11 months ago
2006
IEEE
Although directional antennas have been used in mobile communications systems for quite a long time, realistic applications of directional or smart antennas in wireless ad hoc net...
164
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ECCV
2006
Springer
16 years 7 months ago
2006
Springer
Efficient direct solutions for the determination of a cylinder from points are presented. The solutions range from the well known direct solution of a quadric to the minimal soluti...
146
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ICALP
2003
Springer
15 years 11 months ago
2003
Springer
We prove lower bounds for the direct sum problem for two-party bounded error randomised multipleround communication protocols. Our proofs use the notion of information cost of a p...