628 search results - page 92 / 126 » Designing the perfect auction |
SIGECOM
2010
ACM
15 years 2 months ago
2010
ACM
It is widely believed that computing payments needed to induce truthful bidding is somehow harder than simply computing the allocation. We show that the opposite is true for singl...
JSAC
2007
14 years 9 months ago
2007
— We consider the design of Tomlinson-Harashima (TH) precoders for broadcast channels in the presence of channel uncertainty. For systems in which uplink-downlink reciprocity is ...
ICIP
2008
IEEE
15 years 11 months ago
2008
IEEE
Privacy protection of visual information is increasingly important as pervasive camera networks becomes more prevalent. The proposed scheme addresses the problem of preserving and...
ICIP
2005
IEEE
15 years 11 months ago
2005
IEEE
In spite of the success of the standard wavelet transform (WT) in image processing, the efficiency of its representation is limited by the spatial isotropy of its basis functions ...
ICIP
2001
IEEE
15 years 11 months ago
2001
IEEE
Shift variance and poor directional selectivity, two major disadvantages of the discrete wavelet transform, have previously been circumvented either by using highly redundant, non...