filterSteerable

PURPOSE ^

Steerable 2D Gaussian derivative filter (for visualization).

SYNOPSIS ^

function filterSteerable( theta )

DESCRIPTION ^

 Steerable 2D Gaussian derivative filter (for visualization).

 This function is a demonstration of steerable filters.  The directional
 derivative of G in an arbitrary direction theta can be found by taking a
 linear combination of the directional derivatives dxG and dyG.

 USAGE
  filterSteerable( theta )

 INPUTS
  theta   - orientation in radians

 OUTPUTS

 EXAMPLE
  filterSteerable( pi/4 );

 See also filterGauss

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:
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