Laplacian

  • Alan Bundy
  • Lincoln Wallen
Part of the Symbolic Computation book series (SYMBOLIC)

Abstract

The Laplacian is the lowest (second) order circularly symmetric differential operator. When convolved with a 2-d function (e.g. an image) it computes the non-directional second derivative of that function. See also convolution <45>.

Keywords

Convolution 

Reference

  1. [Marr 82]
    Marr, D. Vision. Freeman, 1982.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • Alan Bundy
    • 1
  • Lincoln Wallen
  1. 1.Department of Artificial IntelligenceEdinburgh UniversityEdinburghScotland

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