A signature method for image data using partial scrambling with the generalized Peano scan. - Kazuhiro Oka; Kineo Matsui (Syst. Comput. Jpn., 2000)

An Encoding Scheme for Generating lambda-Expressions in Genetic Programming. - Kazuto Tominaga; Tomoya Suzuki; Kazuhiro Oka (GECCO, 2003)