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IPAS
2007
13 years 10 months ago
Multilevel surround inhibition: a biologically inspired contour detector
Canny edge detector is based both on local and global image analysis, present in the gradient computation and connectivity-related hysteresis thresholding, respectively. This cont...
Giuseppe Papari, Patrizio Campisi, Nicolai Petkov
IPPS
2007
IEEE
14 years 2 months ago
Towards A Better Understanding of Workload Dynamics on Data-Intensive Clusters and Grids
This paper presents a comprehensive statistical analysis of workloads collected on data-intensive clusters and Grids. The analysis is conducted at different levels, including Virt...
Hui Li, Lex Wolters
EMSOFT
2007
Springer
14 years 2 months ago
Loosely time-triggered architectures based on communication-by-sampling
We address the problem of mapping a set of processes which communicate synchronously on a distributed platform. The Time Triggered Architecture (TTA) proposed by Kopetz for the co...
Albert Benveniste, Paul Caspi, Marco Di Natale, Cl...
BTW
2005
Springer
113views Database» more  BTW 2005»
14 years 1 months ago
A Learning Optimizer for a Federated Database Management System
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
CVPR
2008
IEEE
14 years 9 months ago
Spectral methods for semi-supervised manifold learning
Given a finite number of data points sampled from a low-dimensional manifold embedded in a high dimensional space together with the parameter vectors for a subset of the data poin...
Zhenyue Zhang, Hongyuan Zha, Min Zhang