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GIS
2010
ACM
15 years 14 days ago
An algorithmic framework for segmenting trajectories based on spatio-temporal criteria
In this paper we address the problem of segmenting a trajectory such that each segment is in some sense homogeneous. We formally define different spatio-temporal criteria under ...
Maike Buchin, Anne Driemel, Marc J. van Kreveld, V...
ICRA
2010
IEEE
102views Robotics» more  ICRA 2010»
15 years 13 days ago
A fast n-dimensional ray-shooting algorithm for grasping force optimization
We present an efficient algorithm for solving the ray-shooting problem on high dimensional sets. Our algorithm computes the intersection of the boundary of a compact convex set w...
Yu Zheng, Ming C. Lin, Dinesh Manocha
TIT
2010
144views Education» more  TIT 2010»
14 years 8 months ago
Lossy source compression using low-density generator matrix codes: analysis and algorithms
We study the use of low-density generator matrix (LDGM) codes for lossy compression of the Bernoulli symmetric source. First, we establish rigorous upper bounds on the average dist...
Martin J. Wainwright, Elitza N. Maneva, Emin Marti...
ICASSP
2011
IEEE
14 years 5 months ago
An efficient variable step-size proportionate affine projection algorithm
Proportionate-type affine projection algorithms (PAPAs) are very attractive choices for echo cancellation. These algorithms combine the good features (convergence and tracking) o...
Constantin Paleologu, Jacob Benesty, Felix Albu, S...
CIDR
2011
253views Algorithms» more  CIDR 2011»
14 years 5 months ago
Answering Queries using Humans, Algorithms and Databases
For some problems, human assistance is needed in addition to automated (algorithmic) computation. In sharp contrast to existing data management approaches, where human input is ei...
Aditya G. Parameswaran, Neoklis Polyzotis