Correction of motion artifact in CL based on MAFusNet.

IF 1.7 3区 医学 Q3 INSTRUMENTS & INSTRUMENTATION
Tong Jia, Liu Shi, Cunfeng Wei, Rongjian Shi, Baodong Liu
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引用次数: 0

Abstract

Computed laminography (CL) is one of the best methods for nondestructive testing of plate-like objects. If the object and the detector move continually while the scanning is being done, the data acquisition efficiency of CL will be significantly increased. However, the projection images will contain motion artifact as a result. A multi-angle fusion network (MAFusNet) is presented in order to correct the motion artifact of CL projection images considering the properties of CL projection images. The multi-angle fusion module significantly increases the ability of MAFusNet to deblur by using data from nearby projection images, and the feature fusion module lessens information loss brought on by data flow between the encoders. In contrast to conventional deblurring networks, the MAFusNet network employs synthetic datasets for training and performed well on realistic data, proving the network's outstanding generalization. The multi-angle fusion-based network has a significant improvement in the correction effect of CL motion artifact through ablation study and comparison with existing classical deblurring networks, and the synthetic training dataset can also significantly lower the training cost, which can effectively improve the quality and efficiency of CL imaging in industrial nondestructive testing.

基于mausnet的CL运动伪影校正。
计算机层析成像(CL)是板状物体无损检测的最佳方法之一。如果在扫描过程中,物体和探测器不断移动,则CL的数据采集效率将显著提高。然而,投影图像会因此包含运动伪影。针对CL投影图像本身的特点,提出了一种多角度融合网络(MAFusNet)来校正CL投影图像的运动伪影。多角度融合模块显著提高了mausnet利用附近投影图像的数据去模糊的能力,特征融合模块减少了编码器之间数据流动带来的信息丢失。与传统的去模糊网络相比,MAFusNet网络使用合成数据集进行训练,并在现实数据上表现良好,证明了网络出色的泛化能力。通过烧蚀研究和与现有经典去模糊网络的比较,基于多角度融合的网络对CL运动伪影的校正效果有了明显的提高,并且合成的训练数据集也可以显著降低训练成本,可以有效地提高工业无损检测中CL成像的质量和效率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
4.90
自引率
23.30%
发文量
150
审稿时长
3 months
期刊介绍: Research areas within the scope of the journal include: Interaction of x-rays with matter: x-ray phenomena, biological effects of radiation, radiation safety and optical constants X-ray sources: x-rays from synchrotrons, x-ray lasers, plasmas, and other sources, conventional or unconventional Optical elements: grazing incidence optics, multilayer mirrors, zone plates, gratings, other diffraction optics Optical instruments: interferometers, spectrometers, microscopes, telescopes, microprobes
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