基于三维参数定量评价CBCT图像质量方法及可行性分析

doi:10.3760/cma.j.issn.1004-4221.2019.10.019

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摘要 CBCT图像基于图像单一层面及感兴趣区选择受个人主观性影响,造成图像质量比较上的困难。本文提出一种基于三维参数CBCT图像质量定量评价方法,层面由单层扩展为多层,像素扩展为体素,并探讨感兴趣区选取范围,以减少人为选择误差,实现三维参数对图像质量定量评价。

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	齐新宇
	陆世培
	杨鑫
	林承光

关键词 ：体层摄影术, X线计算机, 锥形束, 评价方法, 可行性

Abstract：Cone-beam computed tomography (CBCT) image based on a single layer of image and the choice of regions of interest (ROI) is affected by individual subjectivity, making it difficult to compare the image quality. In this article, a quantitative evaluation method of CBCT image quality based on three-dimensional parameters was proposed, which was extended from single layer to multi-layer and from pixel to voxel. The selection range of ROI was discussed to reduce the error of artificial selection and realize the quantitative evaluation of image quality by three-dimensional parameters.

Key words： Tomography X-ray computed, cone-beam Evaluation method Feasibility

收稿日期: 2018-04-03

基金资助:广州市珠江科技新星专项资助(201710010162);广东省自然科学基金(2017A030310217);“医学信息分析及肿瘤诊疗湖北省重点实验室”开放课题(PJS140011504)

通讯作者: 杨鑫,Email:yangxin@sysucc.org.cn;林承光,Email:linchg@sysucc.org.cn

引用本文:

齐新宇,陆世培,杨鑫等. 基于三维参数定量评价CBCT图像质量方法及可行性分析[J]. 中华放射肿瘤学杂志, 2019, 28(10): 799-800.

Qi Xinyu,Lu Shipei,Yang Xin et al. Quantitative evaluation and feasibility analysis of cone-beam computed tomography (CBCT) image quality based on three-dimensional parameters[J]. Chinese Journal of Radiation Oncology, 2019, 28(10): 799-800.

链接本文:

http://journal12.magtechjournal.com/Jweb_fszlx/CN/10.3760/cma.j.issn.1004-4221.2019.10.019 或 http://journal12.magtechjournal.com/Jweb_fszlx/CN/Y2019/V28/I10/799