在目视检测系统中发现物体的位置和面积

E. da Silva, A. Gonzaga
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引用次数: 2

摘要

这项工作的目的是应用霍夫变换(HT)方法对矩形板进行自动视觉检测。过滤累加器数组,我们可以提取诸如位置(质量中心),周长和面积等特征,尽管对象平移和旋转。通过与矩量法(MM)进行比较,评价了该方法的结果。矩量法是一种用于确定双向图像的面积和质心的方法。统计分析表明,霍夫变换在视觉检测中对噪声图像具有鲁棒性。
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Finding the position and area of an object in a visual inspection system
The aim of this work, is the application of the Hough transform (HT) method for automated visual inspection of rectangular boards. Filtering the accumulator array we can extract features such as position (mass center), perimeter and area, despite object translation and rotation. The results reached by this methods are evaluated by comparing them with the method of moments (MM), a largely used method to determine the area and center of mass for bi-directional images. Statistical analysis shows the robustness of Hough transform for noisy images in visual inspection.
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