@Article{DLMM_Dequant02,
 author =  {A. Desolneux and S. Ladjal and L. Moisan and J.-M. Morel},
 title =   {Dequantizing image orientation},
 journal = IP,
 year =    {2002},
 volume =  {11},
 number =  {10},
 pages =   {1129-1140} }