Application of image processing in detection of overprint deviation in color printing

doi:10.3778/j.issn.1002-8331.2010.11.058

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (11): 190-192.DOI: 10.3778/j.issn.1002-8331.2010.11.058

• 图形、图像、模式识别 • Previous Articles Next Articles

Application of image processing in detection of overprint deviation in color printing

YU Li-jie^1，2，LI De-sheng¹，WANG Yue-zong¹

1.Mechanical and Electronic Technology Research Centre，Beijing University of Technology，Beijing 100022，China
2.College of Automation，Beijing Union University，Beijing 100101，China

Received:2008-10-07 Revised:2008-12-14 Online:2010-04-11 Published:2010-04-11
Contact: YU Li-jie

彩色套印偏差检测中的图像处理技术研究

于丽杰^1，2，李德胜¹，王跃宗¹

1.北京工业大学机电技术研究所，北京 100022
2.北京联合大学自动化学院，北京 100101

通讯作者: 于丽杰

Abstract

摘要： 提出了应用图像处理方法检测彩色套印偏差。在HSI色彩空间，通过H和I分量标定照明强度，保证获得高质量图像；应用二次标定技术确定系统比例；提出面积滤波法滤除印刷污点噪声和保持色调不变的图像增强处理。然后将彩色图像单值化利用Canny算子检测边缘、计算像素梯度方向，根据梯度方向划分边缘点集合，对不同方向边缘点集合进行迭代最小二乘法直线拟和，获得直线边缘准确位置，并以黑色为基准计算各颜色的偏移量。实验验证了该研究对套色偏差检测是实用且有效的。

关键词: 图像处理, 边缘检测, 套色偏差

CLC Number:

TP274

YU Li-jie^1，2，LI De-sheng¹，WANG Yue-zong¹. Application of image processing in detection of overprint deviation in color printing[J]. Computer Engineering and Applications, 2010, 46(11): 190-192.

于丽杰^1，2，李德胜¹，王跃宗¹. 彩色套印偏差检测中的图像处理技术研究[J]. 计算机工程与应用, 2010, 46(11): 190-192.

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Application of image processing in detection of overprint deviation in color printing

彩色套印偏差检测中的图像处理技术研究

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