Image signal processor

Details Image signal processor Image signal processor

1984-02-09

1987-05-12

Boudreau, Leo H.

Image analysis

Histogram processing

For setting a threshold

382 49, 364133, G06K 900

Patent

active

046655565

ABSTRACT:
A high speed, multi-function and expandable image processing LSI (image signal processor) for realizing a gray level image processing technique is disclosed. The architecture of the image signal processor can process a gray level image having 256 tones at a video rate (256.times.256 image, 6 MHz, non-interlace), allows expansion of a partial operation area (kernel) and can carry out various partial neighborhood operations. The image signal processor is a partial parallel type image processing LSI which carries out a parallel operation by using the same number of processor elements as that of input pixel data used to produce one output pixel of data.

REFERENCES:
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patent: 4275380 (1981-06-01), Gardner et al.
patent: 4300122 (1981-11-01), McMahon
Boxer and Batchelor, "Microprocessor Arrays for Pattern Recognition", May 1978.
Preston et al., "Basics of Cellular Logic . . . ", Proc. of the IEEE, vol. 67, No. 5, May 1979, pp. 826-834.
Batcher, "MPP: A Supersystem for Satellite Image Processing", AFIPS Conference Proceedings, National Computer Conference, Jun. 1982, pp. 187-191.
Orbach, "Real-Time Video Image Enhancement Using Hardware Convolver", Proceedings IEEE Computer Society: PRIP '82, Jun. 1982, Las Vegas, pp. 390-392.

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