[1]林丽萍,张东.超声图像中方向性伪纹理的形成研究[J].中国医学物理学杂志,2019,36(12):1416-1420.[doi:DOI:10.3969/j.issn.1005-202X.2019.12.010]
　LIN Liping,ZHANG Dong.Formation of directional pseudo-textures in ultrasound images[J].Chinese Journal of Medical Physics,2019,36(12):1416-1420.[doi:DOI:10.3969/j.issn.1005-202X.2019.12.010]
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超声图像中方向性伪纹理的形成研究()
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《中国医学物理学杂志》[ISSN:1005-202X/CN:44-1351/R]

卷:
36卷
期数:
2019年第12期
页码:
1416-1420
栏目:
医学影像物理
出版日期:
2019-12-25

文章信息/Info

Title:
Formation of directional pseudo-textures in ultrasound images
文章编号:
1005-202X（2019）12-1416-05
作者:
林丽萍; 张东
武汉大学物理科学与技术学院， 湖北 武汉 430072
Author(s):
LIN Liping;  ZHANG Dong
School of Physics and Technology, Wuhan University, Wuhan 430072, China
关键词:
超声成像; 方向性伪纹理; 特征提取; 去噪
Keywords:
Keywords: ultrasound imaging;  directional pseudo-texture;  feature extraction;  denoising
分类号:
R318；TP391
DOI:
DOI:10.3969/j.issn.1005-202X.2019.12.010
文献标志码:
A
摘要:
超声成像是一种相干成像，它利用在人体内传播的超声波遇到人体组织而反射回来的超声信号进行成像，超声图像中的纹理可以反映组织的结构和特性，因此超声成像被广泛用于临床疾病的诊断。但是由于成像系统的影响，超声图像中含有与超声波束垂直、随着位置变化而方向不同的伪纹理。方向性伪纹理的存在不仅不能反映组织真正的纹理特性，而且降低图像的分辨率，影响后续诊断的准确性。本文从超声成像的原理出发，对超声图像中方向性伪纹理的形成进行研究，分析方向性伪纹理的形成原因，并从仿真实验中证实方向性伪纹理的存在。实验结果表明，方向性伪纹理的存在确实会干扰超声图像中纹理特征的表征，会对超声图像的肿瘤分割结果产生影响，在以后的临床诊断过程中，需要消除方向性伪纹理对诊断和治疗结果的影响。
Abstract:
Abstract: Ultrasonic imaging is a kind of coherent imaging, which uses the ultrasonic signal reflected by the ultrasonic wave in the human body when it encounters the human tissue for imaging. The textures in ultrasonic images can be used to reflect the structures and characteristics of the tissues. Therefore, ultrasonic imaging is widely used in the diagnosis of clinical diseases. However, due to the effects of imaging systems, ultrasonic images contain pseudo-textures that are perpendicular to the ultrasonic beams and have different directions as the position changes. The image with directional pseudo-textures can not reflect the true texture characteristics of the tissues and the existence of directional pseudo-texture reduces the resolution of the image, affecting the accuracy of subsequent diagnosis. Based on the principle of ultrasonic imaging, the formation of directional pseudo-texture in ultrasonic images is researched in the study. The reasons for the formation of directional pseudo-textures are analyzed, and the existence of directional pseudo-textures is confirmed in simulation experiments. The experimental results show that the existence of directional pseudo-texture does interfere with the representation of texture features in ultrasound images, which will affect the tumor segmentation results in ultrasound images. In the future clinical diagnosis process, eliminating the effects of directional pseudo-texture on diagnosis and treatment results is necessary.

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备注/Memo

备注/Memo:
【收稿日期】2019-07-11 【基金项目】国家重点研发计划973项目（2011CB707900） 【作者简介】林丽萍，硕士，研究方向：图像处理，E-mail: kklinliping@whu.edu.cn 【通信作者】张东，博士，教授，研究方向：信号处理，E-mail: zhangd_whu@163.com
更新日期/Last Update: 2019-12-26