开发一个图像质量评估系统,用于床边胸部X射线图像,使用散射校正处理
Kazuya Mori1,2, Toru Negishi3
1Department of Radiological Technology, Saiseikai Kawaguchi General Hospital, 5-11-5 Nishikawaguchi, Kawaguchi, Saitama, 332-8558, Japan. k-mori@saiseikai.gr.jp.
Radiological physics and technology
|January 11, 2025
概括
这项研究引入了一个客观的系统,用于评估使用虚拟网格 (VG) 技术处理的床边胸部X射线图像. 该系统使用盲目/无参考图像空间质量评估器 (BRISQUE),与主观分数有很高的相关性,可以有效评估质量.
科学领域:
- 医疗成像医学成像
- 放射学 放射学 放射学 放射学
- 图像处理 图像处理
背景情况:
- 使用虚拟网格 (VG) 的散射X射线校正在平面放射学中至关重要.
- 需要对VG处理的床边胸部X射线图像进行客观评估.
- 现有的方法可能缺乏效率或需要大量的培训数据.
研究的目的:
- 开发和验证VG处理的床边胸部X射线图像的客观评估系统.
- 评估盲目/无参考图像空间质量评估器 (BRISQUE) 对VG图像质量评估的有用性.
- 建立一种可靠和有效的方法,以确保便携式胸部X射线图像的正确图像质量.
主要方法:
- 在200张便携式胸部X射线图像上训练有素的BRISQUE.
- 使用BRISQUE和14名技术人员的主观平均意见得分 (MOS) 评估VG图像.
- 计算了科恩的卡帕系数,以确定对100张临床图像的客观和主观评估之间的一致性.
主要成果:
- 布里斯克得分显示了强烈的负线性相关性 (r = -0.96,p < 0.05) 与幻影图像的MOS.
- 客观评价系统实现了0.42.4的科恩卡帕.
- 该系统展示了低质量的图像的高检测率 (82.86%).
结论:
- 布里斯克显示了作为VG图像质量评估中MOS的客观替代品的潜力.
- 开发的客观系统有效地评估VG处理的床边胸部X射线图像.
- 这种无参考图像质量评估系统是高效的,需要最小的培训数据,并且可以适应各种医疗机构.
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