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Oblique access to image data for reading dataforms

  • US 5,719,384 A
  • Filed: 11/29/1996
  • Issued: 02/17/1998
  • Est. Priority Date: 05/10/1996
  • Status: Expired due to Term
First Claim
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1. For use in a dataform reader, a method of obliquely accessing dataform image data comprising the steps of:

  • (a) providing image data for an image area having height and width dimensions;

    (b) determining the locations within said image area of corners of a bounding box containing image data representative of the dataform;

    (c) identifying a plurality of laterally spaced oblique line components extending within said bounding box obliquely to said height and width dimensions; and

    (d) sampling image data along said oblique line components, including image data for dataform elements traversed by said oblique line components.

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