Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Hidegi Matsushima, Mutsuhiro Terauchi, Toshio Tsuji, Koji Ito. Extraction of surface orientation from texture using the gray level difference statistics. Systems and Computers in Japan, 22(11):100-108, 1991. [doi]