Three-dimensional representations for computer graphics and computer vision

  • Authors:
  • Norman Badler;Ruzena Bajcsy

  • Affiliations:
  • Department of Computer and Information Science, The Moore School of Electrical Engineering, University of Pennsylvania, Philadelphia, Pennsylvania;Department of Computer and Information Science, The Moore School of Electrical Engineering, University of Pennsylvania, Philadelphia, Pennsylvania

  • Venue:
  • SIGGRAPH '78 Proceedings of the 5th annual conference on Computer graphics and interactive techniques
  • Year:
  • 1978

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Abstract

Representing complex three-dimensional objects in a computer involves more than just evaluating its display capabilities. Other factors are the uses and costs of the representation, what operations can be performed on it and, ultimately, how useful it is for computer recognition or description or three-dimensional objects. Many of the questions which are posed arise from the joint consideration of computer graphics and computer vision, and a specific representation hierarchy is proposed for complex objects which makes them amenable to display, manipulation, measurement, and analysis.