Kei HAYASHI


Polarimetric Scattering Analysis for a Finite Dihedral Corner Reflector
Kei HAYASHI Ryoichi SATO Yoshio YAMAGUCHI Hiroyoshi YAMADA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1  pp. 191-195
Type of Manuscript:  PAPER
Category: Sensing
Keyword: 
finite dihedral corner reflectordouble-bounce scatteringradar polarimetryPOLSAR
 Summary | Full Text:PDF(407.7KB)

Alternative Necessary and Sufficient Conditions for Collision Intractable Hashing
Toshiya ITOH Kei HAYASHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 1995/01/25
Vol. E78-A  No. 1  pp. 19-26
Type of Manuscript:  Special Section PAPER (Special Section on Cryptography and Information Security)
Category: 
Keyword: 
claw-free pair permutationscollision intractable hash functionspseudo-permutationsdistinction intractability
 Summary | Full Text:PDF(683.5KB)