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ICRA
2010
IEEE
163views Robotics» more  ICRA 2010»
15 years 5 months ago
Hierarchical optimization on manifolds for online 2D and 3D mapping
Abstract— In this paper, we present a new hierarchical optimization solution to the graph-based simultaneous localization and mapping (SLAM) problem. During online mapping, the a...
Giorgio Grisetti, Rainer Kümmerle, Cyrill Sta...
SIGMOD
2005
ACM
118views Database» more  SIGMOD 2005»
16 years 7 months ago
RPJ: Producing Fast Join Results on Streams through Rate-based Optimization
We consider the problem of "progressively" joining relations whose records are continuously retrieved from remote sources through an unstable network that may incur temp...
Yufei Tao, Man Lung Yiu, Dimitris Papadias, Marios...
ICMCS
2006
IEEE
181views Multimedia» more  ICMCS 2006»
16 years 25 days ago
A Fast Downsizing Video Transcoder for H.264/AVC with Rate-Distortion Optimal Mode Decision
This paper focuses on the mode decision and motion selection problem when H.264/AVC video streams are transcoded in spatial resolution. A fast downsizing transcoding scheme is dev...
Huifeng Shen, Xiaoyan Sun, Feng Wu, Houqiang Li, S...
SIGGRAPH
1993
ACM
15 years 11 months ago
Mesh optimization
We present a method for solving the following problem: Given a set of data points scattered in three dimensions and an initial triangular mesh M0, produce a mesh M, of the same to...
Hugues Hoppe, Tony DeRose, Tom Duchamp, John Alan ...
WSC
2008
15 years 9 months ago
Optimizing staffing schedule in light of patient satisfaction for the whole outpatient hospital ward
The waiting time for patients in outpatient departments of hospitals is a problem throughout the world. In this context, a discrete-event-simulation model was developed to examine...
Soemon Takakuwa, Athula Wijewickrama