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A Robust Direction-selectable Edge-based Panel Cutting-Line Detection Algorithm
Wei Li(이위),Hakil Kim(김학일),Cheng-Bin Jin(김성빈),Mingjie Ma(마명걸),Qiongxiu Li(이경수),Jong-Hee Kim(김종희),Xuenan Cui(최학남) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.6
This paper proposes three robust detection algorithms for locating the cutting line in an image captured by a panel-cutting system. All of the proposed methods contain two stages: edge detection and line fitting. A designed step-edge operator is applied to detect edges in the search direction of interest depending on the intensity concentration. Meanwhile, the proposed line-fitting algorithm is able to precisely fit a line by minimizing the summation of L1 distance from each detected edge point to the fitted line. As the result, all of the proposed methods achieve accuracy of more than 85%. Going one step further, full-scale edge detection (FSED) obtains the best performance at 99.05%, which is evaluated by using a variety of real-world images.