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000155243 005__ 20210129214040.0
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000155243 1001_ $$0P:(DE-HGF)0$$aBeucker, Roland$$b0$$eCorresponding Author
000155243 245__ $$aObjective Signal Subspace Determination for MEG
000155243 260__ $$c1997
000155243 300__ $$a12 p.
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000155243 520__ $$aIn statistical signal processing many tests have been proposed to determine the dimension of the signal subspace. In MEG the problem of signal subspace determination arises when multiple-dipole fitting methods are used for source reconstruction. To find an objective and automatic method for determining the signal subspace dimension, in contrast to the common method of visual inspection of a singular value spectrum, we investigated the behavior of the statistical test proposed by Xu et al.. In this paper we characterized the essential statistical quantity for correct detection, evaluated the test under realistic conditions, and analyzed the behavior of the test when applied to real MEG data.
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000155243 7001_ $$0P:(DE-HGF)0$$aSchlitt, Heidi Anne$$b1
000155243 773__ $$y1997
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000155243 920__ $$lyes
000155243 9201_ $$0I:(DE-Juel1)VDB62$$kZAM$$lZentralinstitut für Angewandte Mathematik$$x0
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