航空发动机小直径管DR图像去噪算法研究
Research on DR image denoising algorithm of aeroengine small diameter tube
程宇 1隋岩 1陈俊囡 1田浩 2吴伟2
作者信息
- 1. 中国航发贵州黎阳航空动力有限公司检验检测中心,贵阳 550014
- 2. 南昌航空大学无损检测技术教育部重点实验室,南昌 330063
- 折叠
摘要
针对数字射线DR成像中,由平板探测器自身特性会导致图像模糊失真的问题,以航空发动机小直径管DR检测图像为实验对象,开展图像去噪研究,采用Lucy-Richardson算法建立模糊模型并迭代优化.实验结果表明,当算法迭代次数为31时,图像恢复质量较好,以结构相似度、信息熵等参数为客观评价指标,与Wiener滤波器等传统去噪算法相比有较大提高,适用于DR图像去噪.
Abstract
Aiming at the problem of image blur distortion caused by the characteristics of flat panel detector in Digital Radiog-raphy(DR)imaging,the image denoising research was carried out with the detection image of aeroengine small-diameter tube DR as the experimental object,and the fuzzy model was established and iterated by Lucy-Richardson algorithm.The experimental re-sults show that the image recovery quality is better when the iteration times of the algorithm is 31 and the parameters such as struc-tural similarity and information entropy are taken as objective evaluation indexes.Compared with traditional denoising algorithms such as Wiener filter,the algorithm is suitable for DR image denoising.
关键词
DR图像/Lucy-Richardson算法/图像去噪Key words
digital radiography image/Lucy-Richardson algorithm/image denoising引用本文复制引用
基金项目
中国航空发动机集团产学研合作项目(HFZL2020CXY015-1)
出版年
2024
NETL
NSTL
万方数据