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15 papers · 1 filter
CANDECOMP/PARAFAC Decomposition of High-order Tensors Through Tensor Reshaping
Anh Huy Phan, Petr Tichavsky, Andrzej Cichocki
In general, algorithms for order-3 CANDECOMP/-PARAFAC (CP), also coined canonical polyadic decomposition (CPD), are easily to implement and can be extended to higher order CPD. Unf…
Accelerated Canonical Polyadic Decomposition by Using Mode Reduction
Guoxu Zhou, Andrzej Cichocki, Shengli Xie
Canonical Polyadic (or CANDECOMP/PARAFAC, CP) decompositions (CPD) are widely applied to analyze high order tensors. Existing CPD methods use alternating least square (ALS) iterati…
Psychophysical Responses Comparison in Spatial Visual, Audiovisual, and Auditory BCI-Spelling Paradigms
Moonjeong Chang, Nozomu Nishikawa, Zhenyu Cai +2
The paper presents a pilot study conducted with spatial visual, audiovisual and auditory brain-computer-interface (BCI) based speller paradigms. The psychophysical experiments are…
Auditory Steady-State Response Stimuli based BCI Application - The Optimization of the Stimuli Types and Lengths
Yoshihiro Matsumoto, Nozomu Nishikawa, Takeshi Yamada +2
We propose a method for an improvement of auditory BCI (aBCI) paradigm based on a combination of ASSR stimuli optimization by choosing the subjects' best responses to AM-, flutter-…
Cramer-Rao-Induced Bounds for CANDECOMP/PARAFAC tensor decomposition
Petr Tichavsky, Anh Huy Phan, Zbynek Koldovsky
This paper presents a Cramer-Rao lower bound (CRLB) on the variance of unbiased estimates of factor matrices in Canonical Polyadic (CP) or CANDECOMP/PARAFAC (CP) decompositions of…
Noise Suppression and Surplus Synchrony by Coincidence Detection
Matthias Schultze-Kraft, Markus Diesmann, Sonja Grün +1
The functional significance of correlations between action potentials of neurons is still a matter of vivid debates. In particular it is presently unclear how much synchrony is cau…