The degree of accurate detection of the outlook features of electronic components (length and width) is closely connected with the automatic component type recognition systems.
电子元器件外形特征(长宽)的精确检测程度与元器件类型自动识别率密切相关。
Geometric properties, such as perimeter and connected component, have been widely used in image segmentation and pattern recognition.
图像的几何性质，比如区域周长和连通分量，在图像分割和模式识别领域得到了广泛的应用。
Region recognition approach is based on connected component features.
最后用基于连通域特征值的方法进行区域识别。
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