Sciweavers

4485 search results - page 309 / 897
» Equivalences on Observable Processes
Sort
View
SIGMOD
2008
ACM
188views Database» more  SIGMOD 2008»
16 years 4 months ago
HERMES: aggregative LBS via a trajectory DB engine
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
Nikos Pelekis, Elias Frentzos, Nikos Giatrakos, Ya...
ICASSP
2009
IEEE
15 years 11 months ago
Expectation-maximization algorithm for multi-pitch estimation and separation of overlapping harmonic spectra
This paper addresses the problem of multi-pitch estimation, which consists in estimating the fundamental frequencies of multiple harmonic sources, with possibly overlapping partia...
Roland Badeau, Valentin Emiya, Bertrand David
ICASSP
2009
IEEE
15 years 11 months ago
Jitter compensation in sampling via polynomial least squares estimation
Sampling error due to jitter, or noise in the sample times, affects the precision of analog-to-digital converters in a significant, nonlinear fashion. In this paper, a polynomial...
Daniel S. Weller, Vivek K. Goyal
130
Voted
ICASSP
2008
IEEE
15 years 11 months ago
Iterative extrapolation algorithm for data reconstruction over sphere
Given limited or incomplete measurement data on a sphere, a new iterative algorithm is proposed on how to extrapolate signal over the whole sphere. The algorithm is based on a pri...
Wen Zhang, Rodney A. Kennedy, Thushara D. Abhayapa...
GI
2007
Springer
15 years 11 months ago
Data Fusion Considering 'Negative' Information for Cooperative Vehicles
: Negative information provides important additional knowledge that is not exploited for sensor data fusion tasks by default. This paper presents a new approach to incorporate such...
Karin Tischler, Heike S. Vogt