Method of processing signal data on the basis of principal compo

Details Method of processing signal data on the basis of principal compo Method of processing signal data on the basis of principal compo

1993-05-24

1995-01-03

Mancuso, Joseph

Image analysis

Histogram processing

For setting a threshold

G06K 936

Patent

active

053793528

ABSTRACT:
Method of processing signal data on the basis of Principal Component Transform, apparatus for performing the method. A method is proposed for determining approximations of eigenvectors of a covariance matrix associated with signal data on the basis of the Principal Component Transform. Successive iterations on estimates enhance the development into the direction of the principal component considered. The method is applicable to the Singular Value Decomposition of data matrices. The operations to be performed are similar to those required in a neural net for adapting the synaptic coefficients. Apparatus are proposed for performing the method.

REFERENCES:
patent: 4945502 (1990-07-01), Kwon et al.
R. C. Gonzales et al., Digital Image Processing, Second Edition, Addison-Wesley Publishing Company, 1987, pp. 122-130.
Y. Chauvin, "Principal Component Analysis By Gradient Descent On a Constrain Linear Hebbian Cell", IEEE and INNS International Joint Conference on Neural Nets, 1989, pp. I373-I405.

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