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Image processing and map production systems

  • US 4,984,279 A
  • Filed: 01/10/1989
  • Issued: 01/08/1991
  • Est. Priority Date: 01/04/1989
  • Status: Expired due to Fees
First Claim
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1. A method of making a map comprising the steps of:

  • (a) processing data collected by remote-sensing to provide image data usable to define a pictorial representation of a selected region, said image data consisting of a multiplicity of elements of data, and each of said elements of data containing image information,(b) digitising a representation of geographical features within said selected region to provide feature data, said feature data consisting of a multiplicity of elements of data, and at least some of said elements of data containing feature-defining information, and(c) integrating said image data with said feature data to provide combined data usable to define a pictorial representation of said selected region, said combined data consisting of a multiplicity of elements of data,wherein said image data and feature data integrating step includes(i) establishing, for each element of image data, whether any corresponding element or elements of feature data exist,(ii) for any element of said image data to which no element of feature data corresponds, said any element providing an element of said combined data containing only image information,(iii) for each element of image data for which one or more corresponding elements of feature data exist, establishing for each of said one or more corresponding elements of feature data whether said each of said one or more corresponding elements of feature data contains feature-defining information,(iv) where said each of said one or more corresponding elements of feature data contains feature-defining information, said each of said one or more corresponding elements of feature data which contains feature-defining information providing an element of said combined data incorporating information pertaining to a feature or features defined by said each of said one or more corresponding elements of feature data which contains feature-defining information, and(v) where none of said one or more corresponding elements of feature data contains feature-defining information, said each element of image data providing an element of said combined data containing only image information.

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