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Journal of the Korea Institute of Military Science and Technology 2007;10(1):101-106.
Chain code based New Decision Technique of Edge Orientation
Min-Chul Sung, Sang-Hwa Lee, Nam-Ik Cho
Seoul National University
체인코드를 이용한 새로운 에지 방향 결정 기법
성민철, 이상화, 조남익
서울대학교
Abstract
In this paper, we propose chain code based decision technique of edge orientation. Edge Information is one of the most important information for handling image signals, and is applied to various civilian and military area, such as image surveillance for military reconnaissance, restoration of noised image signal, fingerprint recognition, and so on. The conventional methods to find edge orientations exploit a certain size of mask which weights for a certain direction, so they showed limitations in the case of diagonal edges except 45 degrees. We find edge orientations using chain code. According to the experiments, the proposed method shows better performance than the conventional approaches. The exact edge orientations including diagonal directions are well found.
Key Words: Edge Orientation, Chain Code
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