Calibration Tools For PC-Based Vision Enhancement

用于基于 PC 的视力增强的校准工具

• 批准号: 7529152
• 负责人: Gislin Dagnelie
• 金额: $ 5.47万
• 依托单位: ADVANCED MEDICAL ELECTRONICS CORPORATION
• 依托单位国家: 美国
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-09-01 至 2009-08-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7529152
• 关键词: Animal Welfare; Appendix; Bibliography; Calibration; Computer software; Condition; Country; Development; Eating; Educational Status; Environment; Environmental Impact; Equipment; IACUC; International; Lighting; Measurement; Names; Numbers; Other Resources; Personal Computers; Phase; Principal Investigator; Procedures; Psychophysiology; Research; Research Ethics Committees; Resolution; Resources; Techniques; Testing; Training; Vertebrates; Vision; Vision Tests; abstracting; base; commercialization; design; expiration; human subject; instrument; programs; prototype; tool; user-friendly

Project Summary/Abstract A hardware/software toolkit will be created to will allow personal computers to be used as accurately calibrated and controlled vision test instruments. This toolkit is predicated on the fact that modern PCs and displays (ei- ther CRT-based or flat screen) have sufficient computing power, resolution, and stability to function as reliable measurement tools. A major advantage of PC use for vision testing is that measurement software can be equipped with a high level of fault tolerance. Automated test routines including criterion-free and forced-choice procedures, catch trials, Bayesian threshold approximation, and other sophisticated psychophysical techniques can greatly allevi- ate the need for highly-trained technicians, and the operator's main task can be to make sure that the test sub- ject is cooperative. This fault tolerance does not automatically extend to the setup and calibration of hardware, however. Screen intensity and chromaticity, test distance, room illumination, and a number of other variables can have a significant effect on test thresholds, even when testing the same subject on the same PC under similar conditions. We propose to develop a set of simple hardware tools and control software that will allow necessary hard- ware calibrations and setup to be performed quickly, reliably, reproducibly, and with a very modest level of training on the part of the operator. Under this phase I application we designed a prototype toolkit with hard- ware based on off-the-shelf components and software with a relatively primitive user interface. Under the sub- sequent phase II application we will develop a fully integrated hardware prototype, a fault-tolerant software package with a user-friendly interface, and a detailed product development and commercialization plan.

项目总结/摘要 将建立一个硬件/软件工具包，使个人计算机能够在精确校准后使用。 和受控视力测试仪器。这个工具包是基于这样一个事实，即现代PC和显示器（ei- 其他CRT或平面屏幕）具有足够的计算能力、分辨率和稳定性， 测量工具。 PC用于视觉测试的一个主要优点是测量软件可以配备高性能的 容错水平。自动化测试程序，包括无标准和强制选择程序，catch 试验，贝叶斯阈值近似，和其他复杂的心理物理技术可以大大减轻， 需要训练有素的技术人员，操作员的主要任务是确保测试子系统 目标是合作的。这种容错性不会自动扩展到硬件的设置和校准， 然而.屏幕强度和色度、测试距离、室内照明和许多其他变量 可能对测试阈值产生显著影响，即使在同一台PC上测试同一受试者时， 类似的条件。 我们建议开发一套简单的硬件工具和控制软件，将允许必要的硬- 快速、可靠、可重复地进行器皿校准和设置， 对操作员进行培训。在第一阶段的应用中，我们设计了一个原型工具包， 基于现成组件的软件和具有相对原始用户界面的软件。在子- 第二阶段的应用我们将开发一个完全集成的硬件原型，一个容错软件 该软件包具有用户友好的界面，以及详细的产品开发和商业化计划。