svn co https://svn.janelia.org/penglab/projects/vaa3d_tools/released_plugins/v3d_plugins/ada_threshold

   Usage : v3d -x threshold -f adath -i <inimg_file> -o <outimg_file> -p <h> <d>

     h       sampling interval, default 5,
     d       number of sampling points, default 3,

   e.g. v3d -x threshold -f adath -i input.raw -o output.raw -p 5 3