Part of the Symbolic Computation book series (SYMBOLIC)
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>.
- [Marr 82]Marr, D. Vision. Freeman, 1982.Google Scholar
© Springer-Verlag Berlin Heidelberg 1984