首页> 外文期刊>Optics Letters >Maximum a posteriori estimator for high-contrast image composition of optical coherence tomography
【24h】

Maximum a posteriori estimator for high-contrast image composition of optical coherence tomography

机译:光学相干断层扫描的高对比度图像合成的最大后验估计器

获取原文
获取原文并翻译 | 示例
           

摘要

A quantitative signal amplitude estimator for optical coherence tomography (OCT) is presented. It is based on a statistical model of OCT signal and noise, using a Bayesian maximum a posteriori (MAP) estimation framework. Multiple OCT images are used for estimation, similar to the widely utilized intensity averaging method. The estimator is less biased especially at low-intensity regions, where intensity averaging approaches the noise power and hence is biased. The estimator is applied to posterior ocular OCT images and provides high-contrast visualization of pathologies. In addition, histogram analysis objectively shows the superior performance of the estimator compared with intensity averaging. (C) 2016 Optical Society of America
机译:提出了一种用于光学相干断层扫描(OCT)的定量信号幅度估计器。它基于OCT信号和噪声的统计模型,使用贝叶斯最大值后验(MAP)估计框架。与广泛使用的强度平均方法类似,使用多个OCT图像进行估计。估计器的偏差较小,尤其是在强度平均接近噪声功率并因此有偏差的低强度区域。估计器应用于后眼OCT图像,并提供病理的高对比度可视化。另外,直方图分析客观地显示了与强度平均相比,估计器的优越性能。 (C)2016美国眼镜学会

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号