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ICCV
2011
IEEE
10 years 11 months ago
Optimizing Polynomial Solvers for Minimal Geometry Problems
In recent years polynomial solvers based on algebraic geometry techniques, and specifically the action matrix method, have become popular for solving minimal problems in computer...
Oleg Naroditsky, Kostas Daniilidis
TIT
2010
98views Education» more  TIT 2010»
11 years 6 months ago
QR decomposition of Laurent polynomial matrices sampled on the unit circle
Abstract--We consider Laurent polynomial (LP) matrices defined on the unit circle of the complex plane. QR decomposition of an LP matrix A(s) yields QR factors Q(s) and R(s) that, ...
Davide Cescato, Helmut Bölcskei
TSP
2011
141views more  TSP 2011»
11 years 6 months ago
Algorithms for Interpolation-Based QR Decomposition in MIMO-OFDM Systems
The extension of multiple-input multiple-output (MIMO) sphere decoding from the narrowband case to wideband systems based on orthogonal frequency division multiplexing (OFDM) requ...
Davide Cescato, Helmut Bölcskei
NPL
1998
175views more  NPL 1998»
11 years 11 months ago
Prediction of Chaotic Time-Series with a Resource-Allocating RBF Network
Abstract. One of the main problems associated with arti cial neural networks online learning methods is the estimation of model order. In this paper, we report about a new approach...
Roman Rosipal, Milos Koska, Igor Farkas
CORR
2004
Springer
116views Education» more  CORR 2004»
11 years 11 months ago
Two Methods for Decreasing the Computational Complexity of the MIMO ML Decoder
We propose use of QR decomposition with sort and Dijkstra's algorithm for decreasing the computational complexity of the sphere decoder that is used for ML detection of signa...
Takayuki Fukatani, Ryutaroh Matsumoto, Tomohiko Uy...
MCS
2008
Springer
11 years 11 months ago
Approximation of matrix operators applied to multiple vectors
In this paper we propose a numerical method for approximating the product of a matrix function with multiple vectors by Krylov subspace methods combined with a QR decomposition of...
Marlis Hochbruck, Jörg Niehoff
SIPS
2007
IEEE
12 years 6 months ago
Embedded Reconfigurable Solution for OFDM Detection Over Fast Fading Radio Channels
OFDM demodulation under fast fading radio channels is very computationally demanding, making the implementation of Software Defined Radio (SDR) solutions problematic. A suboptima...
Mihai Sima, Michael McGuire
ASPLOS
2009
ACM
13 years 10 days ago
QR decomposition on GPUs
QR decomposition is a computationally intensive linear algebra operation that factors a matrix A into the product of a unitary matrix Q and upper triangular matrix R. Adaptive sys...
Andrew Kerr, Dan Campbell, Mark Richards
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