Methods and systems for characterizing concept drawings and estimating three-dimensional information therefrom (English)

2016
  • Patent  /  Electronic Resource

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Methods for characterizing two-dimensional concept drawings are disclosed. The concept drawings comprise cross-sections intersecting at cross-hairs. The method comprises: determining, for each cross-section: a plane on which the cross-section is located, the plane having a normal vector in a three-dimensional coordinate system; and, for each cross-hair on the cross-section, a tangent vector in the three-dimensional coordinate system which is tangent to the cross-section at the cross-hair. For each cross-hair comprising ith and jth intersecting cross-sections, one or more constraints are satisfied, the constraints comprising: the normal vector ni of the plane on which the ith cross-section is located is at least approximately orthogonal to the normal vector nj of the plane on which the jth cross-section is located; and the tangent vector tij to the ith cross-section at the cross-hair is at least approximately orthogonal to the tangent vector tji to the jth cross-section at the cross-hair.

  • Title:
    Methods and systems for characterizing concept drawings and estimating three-dimensional information therefrom
  • Patent number:
    US9965843
  • Application date:
    2016-07-01
  • Patent applicant:
  • Patent family:
  • Author / Creator:
  • Publisher:
    Europäisches Patentamt
  • Year of publication:
    2016
  • Type of media:
    Patent
  • Type of material:
    Electronic Resource
  • Language:
    English
  • Classification:
    IPC:    G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein, IMAGE DATA PROCESSING OR GENERATION, IN GENERAL / G06K Erkennen von Daten, RECOGNITION OF DATA
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