Qin Li Jonathan Edwards An Enhanced Normalisation Technique for Wavelet Shape Descriptors. 722-729 2004 conf/IEEEcit/2004 CIT http://csdl.computer.org/comp/proceedings/cit/2004/2216/00/22160722abs.htm db/conf/IEEEcit/IEEEcit2004.html#LiE04