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首页> 外文会议>Optical Coherence tomography and coherence domain optical methods in biomedicine XX >Suppression of saturation artifacts in swept source optical coherence tomography using dual channel detection
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Suppression of saturation artifacts in swept source optical coherence tomography using dual channel detection

机译：使用双通道检测抑制扫频光源光学相干断层扫描中的饱和伪像

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摘要

A technique to suppress saturation artifacts in swept source optical coherence tomography (SSOCT) system was presented. The detected signal was split into two channels of a high speed data acquisition card with two levels by a power divider. The signal in one channel with higher level was used to reconstruct OCT images and the signal in the other channel with lower level was used to compensate the saturated signal in the first channel by calibrating the splitting ratio between the two channels. Based on dual channel detection, this technique can enhance the dynamic range of SSOCT system and remove saturation artifacts in OCT imaging with simple and cost effective design. Imaging of human finger with the system demonstrated that this method can achieve high dynamic range without saturation artifacts in SSOCT.
机译：提出了一种抑制扫频源光学相干断层扫描（SSOCT）系统中的饱和伪影的技术。检测到的信号通过功率分配器分为两个级别的高速数据采集卡的两个通道。一个高电平通道中的信号用于重建OCT图像，另一个低电平通道中的信号用于通过校准两个通道之间的分光比来补偿第一通道中的饱和信号。基于双通道检测，该技术可通过简单且经济高效的设计来扩大SSOCT系统的动态范围并消除OCT成像中的饱和伪影。用该系统对人的手指成像表明，该方法可以实现高动态范围，而在SSOCT中不会出现饱和伪影。

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  • 来源
  • 会议地点 San Francisco CA(US)
  • 作者

    Xinyu Li; Shanshan Liang; Jun Zhang;

  • 作者单位

    SYSU-CMU Joint Institute of Engineering, Sun Yat-sen University, Guangzhou, Guangdong 510006, China,SYSU-CMU Shunde International Joint Research Institute, Shunde, Guangdong 528300, China;

    School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, Guangdong 510006, China;

    SYSU-CMU Joint Institute of Engineering, Sun Yat-sen University, Guangzhou, Guangdong 510006, China,SYSU-CMU Shunde International Joint Research Institute, Shunde, Guangdong 528300, China,School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, Guangdong 510006, China;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Optical Coherence Tomography; high dynamic range; saturation correction; dual level detection;

    机译：光学相干断层扫描；高动态范围饱和度校正双水平检测;

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