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首页> 外文期刊>International Journal of Innovative Computing Information and Control >DEVELOPING A NEW AUTOMATIC VISION DEFECT INSPECTION SYSTEM FOR CURVED SURFACES WITH HIGHLY SPECULAR REFLECTION
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DEVELOPING A NEW AUTOMATIC VISION DEFECT INSPECTION SYSTEM FOR CURVED SURFACES WITH HIGHLY SPECULAR REFLECTION

机译：开发用于高曲面反射曲面的新型自动视觉缺陷检测系统

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摘要

This paper aims to create an automatic vision defect inspection system that is capable of detecting defects on highly specular reflection curved surfaces, especially for chrome-plated surfaces. These are strongly specular surfaces with very weak diffuse reflection. It is impossible to detect all the defects in one image in which defects may be covered by highlight regions or do not appear because the defects' shapes or positions are random when the object is illuminated. A set of images are captured under different illumination conditions with an optimized relative position and illumination parameter. In the set of images, the specular spots move smoothly on the intact surface and the defects appear randomly as the light source moves. A synthetic image in which specular spots have been removed is reconstructed from the set of images. Moreover, defects are integrated in the synthetic image with higher defect expressivities. Finally, defects can be extracted by combining template matching and morphology techniques. The presented automatic vision defect inspection system has been implemented and tested on a number of simulation images and actual highly specular parts. Encouraging experimental results show that our method is robust, effective and feasible.
机译：本文旨在创建一种自动视觉缺陷检查系统，该系统能够检测高镜面反射曲面（尤其是镀铬表面）上的缺陷。这些是强镜面表面，具有很弱的漫反射。由于在照明物体时缺陷的形状或位置是随机的，因此无法检测出其中缺陷可能被高光区域覆盖或没有出现的一幅图像中的所有缺陷。使用优化的相对位置和照明参数在不同的照明条件下捕获一组图像。在这组图像中，镜面斑点在完整的表面上平滑移动，并且随着光源的移动，缺陷随机出现。从图像集中重建去除了镜面斑点的合成图像。而且，缺陷以更高的缺陷表达率被集成在合成图像中。最后，可以通过结合模板匹配和形态学技术来提取缺陷。提出的自动视觉缺陷检查系统已在许多模拟图像和实际高度镜面零件上实施和测试。令人鼓舞的实验结果表明，该方法是可靠，有效和可行的。

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