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Image processor for sequential processing of successive regions of an image

  • US 5,136,662 A
  • Filed: 12/13/1989
  • Issued: 08/04/1992
  • Est. Priority Date: 12/13/1988
  • Status: Expired due to Term
First Claim
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1. A local image processor comprising:

  • local image shift register circuit means (20) for holding as local image data successive ones of a plurality of local images of a source image, each of said local images comprising an array having a predetermined size including a fixed number of pixels wherein said fixed number is independent of picture data associated with said local image, a plurality of local image processor elements (10A, 10B, 10C, 10D), and processor control circuit means (21) for controlling said plurality of local image processor elements and said local image shift register means, each of said local image processor elements comprising;

    local image memory means (13) for periodically storing said local image data from said local image shift register circuit means;

    counter register means (19) for holding a count value supplied from said processor control circuit means, said count value representing a number of times that successive local images have been stored into said local image memory means;

    computation circuit means (40,

         41) for executing processing operations by utilizing local image data stored in said local image memory means and said count value of said counter register means;

    program memory means (14) for storing an image processing program and for generating output signals during execution of said program, for controlling said processing operations and for selectively controlling transfer of said local image data from said local image memory means to said computation circuit means; and

    program control circuit means (15) for controlling said program memory means.

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