Xinting Gao Farook Sattar Azhar Quddus Ronda Venkateswarlu Multiscale contour corner detection based on local natural scale and wavelet transform. 890-898 2007 25 Image Vision Comput. 6 http://dx.doi.org/10.1016/j.imavis.2006.07.002 db/journals/ivc/ivc25.html#GaoSQV07