通过TV-CLAHE改进内牙放射图解,以提高根管检测能力
Barbara Obuchowicz1, Joanna Zarzecka1, Michał Strzelecki2
1Department of Conservative Dentistry with Endodontics, Jagiellonian University Collegium Medicum, Montelupich 4, 31-155 Cracow, Poland.
Journal of clinical medicine
|August 14, 2025
概括
图像增强算法显著改善了牙科放射图上的根管检测. 新的总变异对比限度自适应基因图平衡 (TV-CLAHE) 技术提供了高精度,接近形光束计算机断层扫描 (CBCT) 可视化,以获得更好的内牙治疗.
科学领域:
- 牙科 牙科是指牙科的专业.
- 医疗成像医学成像
- 图像处理 图像处理
背景情况:
- 精确的根管系统可视化对于成功的内牙治疗至关重要.
- 周周放射图通常使用,但在可视化根管配置方面存在局限性.
- 圆束计算断层扫描 (CBCT) 提供了详细的3D成像,但成本更高,辐射剂量更高.
研究的目的:
- 评估和比较各种图像增强算法的有效性,以提高根管检测能力,在下切口在周围的X射线图.
- 与现有方法相比,评估一种新的总变异对比限制自适应基因图平衡 (TV-CLAHE) 技术.
- 为了确定增强技术是否可以提高诊断准确性与原始放射相比,使用CBCT作为黄金标准.
主要方法:
- 对60张下切口的周周放射图进行了回顾性分析.
- 应用了七种图像增强技术:HE,CLAHE,CLAHE-POA,G-CLAHE,KCFDO和TV-CLAHE. 这些技术包括:
- 由四名经验丰富的观察员对根管可见性的独立评估,与CBCT发现进行比较.
- 使用PSNR,SNR,和SSIM进行定量分析以客观评估图像质量.
主要成果:
- 所有增强方法都提高了根管检测准确度.
- 拟议的TV-CLAHE算法实现了最高的准确性 (93-98%),与CBCT可视化密切匹配.
- 全球CLAHE (G-CLAHE) 也显示出显著的改善 (高达92%).
- 统计分析显示,方法之间存在显著差异 (p < 0.001),TV-CLAHE在主观评级和客观指标 (SNR,) 中表现优于其他方法.
结论:
- 先进的图像增强,特别是TV-CLAHE,在2D放射图上显著提高了根管可见性.
- 这些技术为常规内牙诊断提供了一种实用,经济高效的CBCT替代方案.
- 将优化对比增强集成到内牙成像工作流程中,可以减少错过的道并改善治疗结果.
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