A geometric method to compute directionality features for texture images.

Md. Monirul Islam Dengsheng Zhang Guojun Lu A geometric method to compute directionality features for texture images. 1521-1524 2008 ICME http://dx.doi.org/10.1109/ICME.2008.4607736 conf/icmcs/2008 db/conf/icmcs/icme2008.html#IslamZL08