Signal processing device and method

Details Signal processing device and method Signal processing device and method

1989-08-04

1991-12-17

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 43, G06K 936

Patent

active

050739646

ABSTRACT:
A signal processing device for generating an output signal corresponding to a multi-dimensional input signal such as a two-dimensional image and a method of processing such a signal. The device includes an array of processing elements which are congruent and shaped so that they can be arranged on a processing element so that adjacent pairs of elements considered as a unit are geometrically similar to each processing element. Output signals of individual processing units are linearly ordered in such a manner as to maintain adjacency of signals from adjacent processing elements in the array. The ordering facilitates one-dimensional Haar transform processing of the signals in such as a manner as to localize signal energy.

REFERENCES:
patent: 4242733 (1980-12-01), Deal
patent: 4242734 (1980-12-01), Deal
patent: 4484346 (1984-11-01), Sternberg et al.
patent: 4574311 (1986-03-01), Resnikoff et al.
patent: 4811413 (1989-03-01), Kimmel
patent: 4901360 (1990-02-01), Shu et al.
Signal Processing IV: Theories and Applications; Sep. 5-8, 88, J. A. Mitchell et al., pp. 315-318, "Single-Chip-Based Recursive Structure for Real Time Image Transform".

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