Image Quality Control for CRTs in the PACs Environment

PAC 环境中 CRT 的图像质量控制

• 批准号: 6642135
• 负责人: JERRY W GASKILL
• 金额: $ 32.45万
• 依托单位: IMAGE SMITHS, INC.
• 依托单位国家: 美国
• 财政年份: 1998
• 资助国家: 美国
• 起止时间: 1998-08-01 至 2004-10-31
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/6642135
• 关键词: archives; bioengineering /biomedical engineering; biomedical equipment development; charge coupled device camera; clinical biomedical equipment; computer data analysis; computer program /software; data management; diagnosis quality /standard; digital imaging; image enhancement; image processing; mammography; monitoring device; portable biomedical equipment; radiodiagnosis; radiography

DESCRIPTION (provided by applicant): The objective of this research plan is to develop, test, and produce an image quality assurance device utilizing the capabilities of a CCD camera for the purpose of providing reliable measurement of pertinent CRT performance parameters. The data collected and stored by the device predicts performance degradation for each clinically used CRT display. The software provided with the device allows the user to easily make the necessary measurements and receive immediate feedback on the quality of the monitor?s image display. With this capability, the device provides the necessary information to allow corrective measures to be taken before the clinical observer?s performance is adversely affected. The hand-held device is mobile and relatively inexpensive. All necessary software for its operation is packaged with the device itself. This tool is especially important for use by mammographers as they migrate to interpreting mammography cases on a computer screen, rather than on film. By assuring the fidelity of standard images regardless of a specific display device, the tool is most useful in a teleradiology or PACs environment. The device will be made commercially available. PROPOSED COMMERCIAL APPLICATIONS: Quality assurance tools are now commercially available (e.g., VeriLUM, developed by IMAGE Smiths, Inc, and described in the Appendix) for measuring luminance and chromaticity with inexpensive photometers. However, no such tools are available which use CCD cameras and allow the user to measure beam spot size or signal-to-noise ratios, or to calculate modulation transfer functions. This research project will design and produce such a quality assurance tool for the medical imaging community.

描述（由申请人提供）：本研究计划的目标是 利用该技术开发、测试和生产图像质量保证装置 CCD 相机的功能，可提供可靠的测量 相关 CRT 性能参数。收集和存储的数据 设备预测每个临床使用的 CRT 显示器的性能下降。 设备附带的软件允许用户轻松地制作 必要的测量并立即获得有关质量的反馈 监视器的图像显示。凭借此功能，该器件提供了 必要的信息，以便在实施之前采取纠正措施 临床观察者的表现受到不利影响。该手持设备是 移动且相对便宜。其操作所需的所有软件是 与设备本身一起包装。该工具对于以下人员的使用尤其重要 乳腺 X 光检查人员转向在计算机上解释乳腺 X 光检查病例 屏幕上，而不是电影上。通过确保标准图像的保真度 无论特定的显示设备如何，该工具在以下情况下最有用： 远程放射学或 PAC 环境。该设备将商业化生产 可用的。 拟议的商业应用： 质量保证工具现已上市（例如，VeriLUM，由 IMAGE Smiths, Inc 开发，并在附录中进行了描述），用于使用廉价的光度计测量亮度和色度。然而，没有这样的工具可以使用 CCD 相机并允许用户测量束斑尺寸或信噪比，或计算调制传递函数。该研究项目将为医学成像界设计和生产这样的质量保证工具。