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.
Ling-Hwei Chen, Shu-Sang Wang. A Two-Layer Area-Level Edge Detector-A New Approach . J. Inf. Sci. Eng., 6(4):311-323, 1990. [doi]
Abstract is missing.