Sciweavers

3389 search results - page 523 / 678
» Perspectives on system identification
Sort
View
198
Voted
COMSIS
2010
15 years 4 months ago
3D point pattern matching based on spatial geometric flexibility
We propose a new method for matching two 3D point sets of identical cardinality with global similarity but local non-rigid deformations and distribution errors. This problem arises...
Xiaopeng Wei, Xiaoyong Fang, Qiang Zhang, Dongshen...
DOLAP
2010
ACM
15 years 4 months ago
Using ontologies to discover fact IDs
Object identification is a crucial step in most information systems. Nowadays, we have many different ways to identify entities such as surrogates, keys and object identifiers. Ho...
Alberto Abelló, Oscar Romero
ADC
2010
Springer
210views Database» more  ADC 2010»
15 years 2 months ago
Towards unifying advances in twig join algorithms
Twig joins are key building blocks in current XML indexing systems, and numerous algorithms and useful data structures have been introduced. We give a structured, qualitative anal...
Nils Grimsmo, Truls Amundsen Bjørklund
186
Voted
TSP
2010
15 years 1 months ago
Distributed spectrum sensing for cognitive radio networks by exploiting sparsity
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
Juan Andrés Bazerque, Georgios B. Giannakis
236
Voted
CONIELECOMP
2011
IEEE
14 years 10 months ago
FPGA design and implementation for vertex extraction of polygonal shapes
This work focuses on developing systems of blocks in SIMULINK and VHDL to reuse on design of applications involving the recognition of polygonal objects. Usage of this work reduce...
Jorge Martínez-Carballido, Jorge Guevara-Es...