FbMake

 Various 1D/2D/3D filterbanks (hardcoded).

 USAGE
  FB = FbMake( dim, flag, [show] )

 INPUTS
  dim     - dimension
  flag    - controls type of filterbank to create
          - if d==1
            1: gabor filter bank for spatiotemporal stuff
          - if d==2
            1: filter bank from Serge Belongie
            2: 1st/2nd order DooG filters.  Similar to Gabor filterbank.
            3: similar to Laptev&Lindberg ICPR04
            4: decent seperable steerable? filterbank
            5: berkeley filterbank for textons papers
            6: symmetric DOOG filters
          - if d==3
            1: decent seperable steerable filterbank
  show    - [0] figure to use for optional display

 OUTPUTS

 EXAMPLE
  FB = FbMake( 2, 1, 1 ); 

 See also FBAPPLY2D

 Piotr's Computer Vision Matlab Toolbox      Version 2.0
 Copyright 2014 Piotr Dollar.  [pdollar-at-gmail.com]
 Licensed under the Simplified BSD License [see external/bsd.txt]