A fast retrieval algorithm for the earth mover's distance using EMD lower bounds.

Masami Shishibori Satoru Tsuge Zhang Le Minoru Sasaki Yoshiki Uemura Kenji Kita A fast retrieval algorithm for the earth mover's distance using EMD lower bounds. 445-450 2008 IRI http://dx.doi.org/10.1109/IRI.2008.4583072 conf/iri/2008 db/conf/iri/iri2008.html#ShishiboriTLSUK08