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首页> 外文会议>Conference on Color Imaging: Device-Independent Color, Color Hardcopy, and Graphic Arts Ⅵ Jan 23-26, 2001, San Jose, USA >Application of digital color image analysis for colorimetric quality evaluation of surface defects on paint coatings
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Application of digital color image analysis for colorimetric quality evaluation of surface defects on paint coatings

机译：数字彩色图像分析在涂料表面缺陷比色质量评估中的应用

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摘要

A method for the quality management of paint producers was developed that allows for an objective description of inhomogeneous fading of paint coatings after free weathering using relevant metric quantities such as color contrast, gradient of color contrast, and geometric features of the inhomogeneous structures. These may be quantified with the method of digital color image analysis. The first step to apply this technique means a systematic investigation of the color transformation properties specific of the selected input/output devices (CRT display, flatbed scanner) used for digital imaging. To build a color management system mathematical models of the color transformation processes were optimized and embedded in a commercial color image analysis software. The needed metric parameters, that evaluate the damages on the coated surfaces, must be deduced for highest possible agreement with visual judgements of experts on the categorization of the damages. 150 samples of paint coatings after weathering were selected to investigate this correlation.
机译：开发了一种用于涂料生产商质量管理的方法，该方法允许使用相关的度量值（例如颜色对比，颜色对比的梯度和非均质结构的几何特征）在自由风化后客观描述涂料的不均匀褪色。这些可以用数字彩色图像分析的方法来量化。应用此技术的第一步意味着对用于数字成像的所选输入/输出设备（CRT显示器，平板扫描仪）特定的颜色转换属性进行系统研究。为了构建颜色管理系统，对颜色转换过程的数学模型进行了优化，并将其嵌入到商用彩色图像分析软件中。必须推导出评估涂层表面损伤的所需度量参数，以便与专家对损伤分类的视觉判断达成尽可能高的一致性。选择150个风化后的涂料样品以研究这种相关性。

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