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Extraction of Image Domain Primitives with a Network of Competitive/Cooperative Processes

  • Heiko Neumann
Conference paper
Part of the Informatik-Fachberichte book series (INFORMATIK, volume 181)

Abstract

The central goal of the first step in the visual processing of images is the detection and localization of image domain primitives. Such primitives along with their significant groupings should act as precursors to the recognition of the threedimensional structure of a viewed scene. Based on mathematical considerations as well as on results of studies in neurophysiological research, a framework for two-step filtering for feature detection has been developed. This allows for the detection of different kinds of linear features such as edge and line primitives (e.g. bars, slits). In order to reduce positional as well as directional uncertainty, further processing of the results from the initial filtering steps is necessary. With the aid of a competitive/cooperative processing architecture, which is an extension of the GROSSBERG/MINGOLLA scheme, gaps within the distribution of aligned operator responses can be closed and the detection of higher order primitives (such as junctions) is supported. Furthermore, as part of this architectural concept, a simple “winner-toke-all” inter-scale processing scheme has been realized. Simple grouping phenomena (based on spatial proximity of primitives) as well as vector fields (aligned with the structure of isophotes in homogeneous image regions) can be extracted.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • Heiko Neumann
    • 1
  1. 1.FB 7, Inst.f.Geodäsie u. Photogrammetrie, Sekr.EB9TU BerlinBerlin 12Germany

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