使用配备计算机视觉技术的深度感觉检测平台(DALE3D)进行立体视觉研究

IF 2.2 Q2 OPHTHALMOLOGY
Carmen Alejandra Porcar Plana , Ezequiel Campos Mollo , Fernando Boronat Seguí , María Dolores Lledó Riquelme , Daniel Marfil Regero , Clara Silvestre Beneito , Cristina Peris Martínez
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引用次数: 0

摘要

背景和目的本文所述的发明是一种基于计算机视觉技术的深度知觉测量原型,用于立体视觉的早期检查。材料和方法该原型(软件和硬件)是一种深度知觉测量系统,由以下部分组成:(a) 一个显示立体模型的屏幕,屏幕上有一个引导点,受试者必须指向该引导点;(b) 一个摄像头,用于捕捉屏幕与受试者手指之间的距离;(c) 一个用于记录、处理和存储捕捉到的测量值的装置。在测试验证方面,通过将测试结果与标准立体测试结果进行比较,计算出了该平台的可重复性和可靠性。通过分组分析对深度知觉进行了人口统计学研究。结果我们纳入了 94 名受试者,其中 25 名儿童,69 名成人,平均年龄为 34.2 ± 18.9 岁;男性占 36.2%,女性占 63.8%。DALE3D 平台具有良好的重复性,类间相关系数 (ICC) 在 0.94 和 0.87 之间,变异系数 (CV) 在 0.1 和 0.26 之间。计算出了 Randot 和 DALE3D 检验的最佳和次佳结果阈值。阈值之间的斯皮尔曼相关系数无统计学意义(P 值为 0.05)。结论 DALE3D 平台是测量深度知觉的潜在有用工具,具有最佳的再现率。与目前的立体测试相比,它的创新设计使其成为儿童更直观的工具。尽管如此,还需要进一步的研究来评估 DALE3D 平台测量的深度知觉是否是评估立体视的足够可靠的参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Study of stereopsis using a depth sensation detection platform equipped with computer vision technology (DALE3D)

Background and objectives

The invention described herein is a prototype based on computer vision technology that measures depth perception and is intended for the early examination of stereopsis.

Materials and methods

The prototype (software and hardware) is a depth perception measurement system that consists on: (a) a screen showing stereoscopic models with a guide point that the subject must point to; (b) a camera capturing the distance between the screen and the subject's finger; and (c) a unit for recording, processing and storing the captured measurements. For test validation, the reproducibility and reliability of the platform were calculated by comparing results with standard stereoscopic tests. A demographic study of depth perception by subgroup analysis is shown. Subjective comparison of the different tests was carried out by means of a satisfaction survey.

Results

We included 94 subjects, 25 children and 69 adults, with a mean age of 34.2 ± 18.9 years; 36.2 % were men and 63.8 % were women. The DALE3D platform obtained good repeatability with an interclass correlation coefficient (ICC) between 0.94 and 0.87, and coefficient of variation (CV) between 0.1 and 0.26. Threshold determining optimal and suboptimal results was calculated for Randot and DALE3D test. Spearman's correlation coefficient, between thresholds was not statistically significant (p value > 0.05). The test was considered more visually appealing and easier to use by the participants (90 % maximum score).

Conclusions

The DALE3D platform is a potentially useful tool for measuring depth perception with optimal reproducibility rates. Its innovative design makes it a more intuitive tool for children than current stereoscopic tests. Nevertheless, further studies will be needed to assess whether the depth perception measured by the DALE3D platform is a sufficiently reliable parameter to assess stereopsis.

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来源期刊
Journal of Optometry
Journal of Optometry OPHTHALMOLOGY-
CiteScore
5.20
自引率
0.00%
发文量
60
审稿时长
66 days
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