摘要
彩色印刷品是经过多色印刷后形成的,各色之间不可避免地存在一定程度的套印位置偏差等工艺缺陷.针对这个问题,提出了一种从印刷品差分图像中滤掉边缘噪声的算法.基于印刷工艺因素的影响及标准图像的自身结构特征,设计了滤波算法由图像乘、全局亮度门限和腐蚀/膨胀等部分组成.实验证明该算法能有效地降低边缘噪声.
A color printing product is produced by means of multi-color printing. So it is unavoidable to bring about some technical defects between each color printing, such as overprint location deviation. For this problem, an algorithm has been developed to filter edge noise from the difference images of printing products.Based on the influence of technical factors and the structural features of the reference image, the filtering algorithm, consisting of an image multiplication, a global intensity threshold and an erosion/dilation, has been proved to be effective for reducing edge noise of sampling images.
出处
《湖南大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2005年第4期53-57,共5页
Journal of Hunan University:Natural Sciences
基金
国家自然科学基金资助项目(60375001)
