基于线结构光的视频内窥镜测量技术

姚敏

姚敏. 基于线结构光的视频内窥镜测量技术[J]. 应用光学, 2016, 37(1): 91-95. DOI: 10.5768/JAO201637.0103004
引用本文: 姚敏. 基于线结构光的视频内窥镜测量技术[J]. 应用光学, 2016, 37(1): 91-95. DOI: 10.5768/JAO201637.0103004
Yao Min. Measurement method for video probe based on line-structured light[J]. Journal of Applied Optics, 2016, 37(1): 91-95. DOI: 10.5768/JAO201637.0103004
Citation: Yao Min. Measurement method for video probe based on line-structured light[J]. Journal of Applied Optics, 2016, 37(1): 91-95. DOI: 10.5768/JAO201637.0103004

基于线结构光的视频内窥镜测量技术

基金项目: 

武汉东湖学院校级基金项目“分块压缩感知在图像重构中的应用研究”

详细信息
    通讯作者:

    姚敏 (1981-),女,湖北孝感人,副教授,主要从事光电图像信息处理研究。Email:13930599@qq.com

  • 中图分类号: TN206;TP752

Measurement method for video probe based on line-structured light

  • 摘要: 针对视频内窥镜的测量需求,提出了一种基于线结构激光照射的测量技术。采用线激光作为定标光照射物体表面,建立了线结构光成像模型,标定了不同物距时的放大率和图像中线位置间的比例系数。通过构建测量平台计算了物体的几何参数,实验结果表明测量误差在10%以内,能够满足视频内窥镜观测和测量要求。
    Abstract: Considering the requirement of measurement for video probe, a method for measuring points, lines and surfaces of object by using line-structured laser was presented. The line-structured light imaging model was built, where the linear laser was used as an auxiliary light source irradiating on the surface of the object. Compared to the object image, the proportional coefficient was calibrated with multiplying factor in different distances and laser line positions. The geometry parameters were calculated based on the measurement platform. The experimental results show that the measuring error is less than 10%, which indicates the method can satify the requirements of the video probe.
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