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Apparatus and method for cropping an image

  • US 5,781,665 A
  • Filed: 08/28/1995
  • Issued: 07/14/1998
  • Est. Priority Date: 08/28/1995
  • Status: Expired due to Fees
First Claim
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1. A method of cropping an image, said image being represented as a first digital array of pixel values, said method comprising the steps of:

  • a) processing said first digital array to produce a second digital array of pixel values, said processing including applying an edge enhancement transformation to said first digital array;

    b) partitioning said second digital array into predetermined segments;

    c) summing pixel values for each of said segments to obtain a brightness sum for each of said segments;

    d) dividing said segments into first and second groups in accordance with predetermined criteria relating to said brightness sums;

    e) identifying a group of said first digital array corresponding to said first group of said second digital array;

    f) outputting at least a part of said group of said first digital array to generate a cropped image.

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