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相关实验视频

Updated: Jul 11, 2025

Subjective Refraction Test Using a Smartphone for Vision Screening
05:36

Subjective Refraction Test Using a Smartphone for Vision Screening

Published on: October 18, 2024

827

智能手机摄像测量评估用于头部测量

Omar C Quispe-Enriquez1, Juan José Valero-Lanzuela1, José Luis Lerma1

  • 1Photogrammetry and Laser Scanner Research Group (GIFLE), Department of Cartographic Engineering, Geodesy and Photogrammetry, Universitat Politècnica de València, Camino de Vera s/n, 46022 Valencia, Spain.

Sensors (Basel, Switzerland)
|November 14, 2023
PubMed
概括

这项研究评估了智能手机对婴儿头骨变形评估的准确性. 三星S22系列显示了不同的精度,突出显示了设备选择对PhotoMeDAS系统的重要性.

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科学领域:

  • 医疗成像医学成像
  • 生物医学工程 生物医学工程
  • 婴儿健康 婴儿健康

背景情况:

  • 在儿科和儿科神经外科中,对形的评估至关重要.
  • 基于智能手机的解决方案,如PhotoMeDAS,提供可访问的3D头部建模,用于变形分析.
  • 评估特定设备的准确性对于可靠的临床应用至关重要.

研究的目的:

  • 为了比较不同智能手机机型号的线性精度,生成3D头骨模型.
  • 为了评估三星Galaxy S22,S22+和S22 Ultra设备中的PhotoMeDAS系统的性能.
  • 为潜在用户提供数据,以便在临床环境中考虑特定于设备的准确性.

主要方法:

  • 由三款三星智能手机 (S22,S22+,S22 Ultra) 拍摄的婴儿头部模型的摄影度处理.
  • 测试了三种捆绑调整实现,有和没有自我校准.
  • 将线性精度与从Creaform ACADEMIA 50 3D扫描仪获得的地面真实数据进行比较.

主要成果:

  • 三星S22的平均精度为-1.15±0.53毫米.
  • 三星S22+的平均精度为0.95±0.40毫米.
  • 三星S22 Ultra的平均精度为-1.8±0.45毫米,在使用尺度因子时有显著的改进.

结论:

  • 智能手机模型显著影响3D头骨变形评估的准确性.
  • 在测试的设备中,三星S22+显示了最高的精度.
  • 实施尺度因子提高了基于智能手机的临床用光谱测量的精度.
关键词:
通过3D测量进行3D测量.通过3D扫描扫描.的头骨变形.测量评估指标的评估指标.智能手机是一种智能手机设备.

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