An analog circuit for eigenvalue calculation and rank filtering
Paul, S.; Huper, K.
Circuits and Systems I: Fundamental Theory and Applications, IEEE Transactions on
Volume 41, Issue 11, Nov 1994 Page(s):736 - 740
Digital Object Identifier   10.1109/81.331526
Summary:Analog circuits for eigenvalue calculation or rank filtering can be applied to real-time signal processing tasks. This paper reports on experimental results with an analog circuit for these applications. The circuit is based on a nonlinear dynamical system. Details of the realization including parasitic effects are discussed. The accuracy of the circuit has shown to be sufficient for image processing applications

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