Gauss filter

Description

Another simple filter-graph with the ImageSource connected to two Gauss-filters with operator size 3x3 and 5x5. These are low-pass filters for image smoothing (check your favorite image-processing handbook for details).

Gauss 3x3:

   1  2  1
   2  4  2     * 1/16
   1  2  1

Gauss 5x5:

   2   7   12    7   2
   7  31   52   31   7
  15  52  127   52  15   * 1/423
   7  31   52   31   7
   2   7   12    7   2

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