Sciweavers

2740 search results - page 297 / 548
» Approximating Component Selection
Sort
View
VTC
2007
IEEE
154views Communications» more  VTC 2007»
15 years 10 months ago
An Improved Peak-to-Average Power Ratio Estimation Scheme for OFDM Systems
—To approximate the exact peaks of continuous-time orthogonal frequency division multiplexing (OFDM) signals, four times oversampling is usually employed for discrete-time OFDM s...
Chin-Liang Wang, Sheng-Ju Ku, Chun-Ju Yang
3DPVT
2006
IEEE
171views Visualization» more  3DPVT 2006»
15 years 10 months ago
Image Based Localization in Urban Environments
In this paper we present a prototype system for image based localization in urban environments. Given a database of views of city street scenes tagged by GPS locations, the system...
Wei Zhang, Jana Kosecka
121
Voted
VLDB
2005
ACM
121views Database» more  VLDB 2005»
15 years 9 months ago
Online Estimation For Subset-Based SQL Queries
The largest databases in use today are so large that answering a query exactly can take minutes, hours, or even days. One way to address this problem is to make use of approximati...
Chris Jermaine, Alin Dobra, Abhijit Pol, Shantanu ...
ECAI
2004
Springer
15 years 9 months ago
On-Line Search for Solving Markov Decision Processes via Heuristic Sampling
In the past, Markov Decision Processes (MDPs) have become a standard for solving problems of sequential decision under uncertainty. The usual request in this framework is the compu...
Laurent Péret, Frédérick Garc...
ICICS
2004
Springer
15 years 9 months ago
Hydan: Hiding Information in Program Binaries
We present a scheme to steganographically embed information in x86 program binaries. We define sets of functionally-equivalent instructions, and use a key-derived selection proces...
Rakan El-Khalil, Angelos D. Keromytis