一种用于高光泽表面评价的图形化照明和相位积分成像方法

Y. Roh, Seonghoon Kim, Heungbo Shim, DaeCheol Lim, DaeHwa Jeong
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引用次数: 0

摘要

在涂装和最终涂装过程的质量控制中,对视觉和光学测量与评价技术有很高的要求。提出了一种评价高光泽表面物体外观质量的新方法。为了对表面粗糙度进行成像,物体看起来像橘子皮,我们采用了相移的图案照明。物体可以根据图案照明的相位暴露在各种照明条件下。通过获取一系列图像并对其相位进行分析,可以选择性地合成出特定相位的图像。然后根据特定的阶段评估橙皮的表面质量等级。我们对样品产品进行了评估测试,结果表明所提出方法的可用性。
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A patterned illumination and phase integration imaging method for high-glossy surface evaluation
Visual and optical measurement and evaluation technologies are highly required in quality control of painting and final coating process. We propose a novel approach to evaluate the appearance quality of high glossy surface object. To image the surface roughness, by which the object looks like orange peel, we employ a patterned illumination with phase shifting. The object can be exposed to various illumination conditions according to the phase of pattern lighting. By ac hieving a series of images and analyzing the phase, an image can be synthesized as specific phase selectively. The grade of su rface quality in terms of orange peel is then evaluated based on a specific phase. We have conducted evaluation tests on sample pr oducts, which show the usability of the proposed method.
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