Visual Assessment of Angular Response in Medical Liquid Crystal Displays

Aldo Badano; Sarah Schneider; Ehsan Samei

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Visual Assessment of Angular Response in Medical Liquid Crystal Displays

机译：医用液晶显示器角响应的视觉评估

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摘要

In spite of having non-Lambertian emission, displays based on liquid crystal technology are becoming popular for medical diagnostic work stations. For all liquid crystal displays (LCDs), the contrast performance varies with viewing direction. Accurate measurements of the angular distribution of light emission require expensive instrumentation and extensive expertise. We investigated the possibility of using a test pattern to visually assess the angular response performance of LCDs. We found that this procedure offers the end user of displays a simple, fast, and relatively consistent technique to verify that the viewing angle performance of the display device is within certain acceptable limits.

机译：尽管具有非朗伯发射，基于液晶技术的显示器仍在医学诊断工作站中变得流行。对于所有液晶显示器（LCD），对比度性能随观看方向而变化。准确测量发光角度分布需要昂贵的仪器和专业知识。我们调查了使用测试图案在视觉上评估LCD的角响应性能的可能性。我们发现，该过程为显示器的最终用户提供了一种简单，快速且相对一致的技术，以验证显示设备的视角性能是否在某些可接受的范围内。

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来源
《Journal of Digital Imaging》 |2006年第3期|240-248|共9页
作者
Aldo Badano; Sarah Schneider; Ehsan Samei;
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作者单位

Center for Devices and Radiological Health U.S. Food and Drug Administration 12720 Twinbrook Parkway Rockville MD 20857 USA;

Center for Devices and Radiological Health U.S. Food and Drug Administration 12720 Twinbrook Parkway Rockville MD 20857 USA;

Duke Advanced Imaging Laboratories Departments of Radiology Physics and Biomedical Engineering Duke University and Duke University Medical Center 161B Bryan Research Bldg DUMC 3302 Durham NC 27710 USA;

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原文格式 PDF
正文语种 eng
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关键词
Viewing angle; angular contrast; goniometric measurements; AMLCD; medical display; visual threshold;

机译：视角;角度对比度;测角;AMLCD;医疗显示器;视觉阈值;

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专利

1. Visual assessment method of angular performance in medical liquid-crystal displays by use of the ANG test pattern: effect of ambient illuminance and effectiveness of modified scoring. [J] . Yoichiro Ikushima, Junji Morishita, Hiroshi Akamine, Radiological physics and technology . 2014,第1期

机译：使用ANG测试图案的可视化评估医疗液晶显示器角度性能的方法：环境照度的影响和修正评分的有效性。
2. Effect of angular performance on the chromaticity of grayscale images displayed on medical liquid-crystal displays [J] . AkamineH., MorishitaJ., MatsuyamaM., Radiological physics and technology . 2013,第1期

机译：角度性能对医用液晶显示器上显示的灰度图像色度的影响
3. Effect of angular performance on the chromaticity of grayscale images displayed on medical liquid-crystal displays [J] . Hiroshi Akamine, Junji Morishita, Michinobu Matsuyama, Radiological Physics and Technology . 2013,第1期

机译：角度性能对医用液晶显示器上显示的灰度图像色度的影响
4. Temporal Response Measurements of Medical Liquid Crystal Displays [C] . Hongye Liang, Aldo Badano Visualization, Image-Guided Procedures, and Display; Progress in Biomedical Optics and Imaging; vol.7,no.27 . 2006

机译：医用液晶显示器的时间响应测量
5. Ultra-efficient liquid crystal projection displays: Polarizer-free displays using continuous polarization gratings. [D] . Komanduri, Ravi K. 2009

机译：超高效液晶投影显示器：使用连续偏振光栅的无偏振显示器。
6. Visual Assessment of Angular Response in Medical Liquid Crystal Displays [O] . Aldo Badano, Sarah Schneider, Ehsan Samei 2006

机译：医用液晶显示器角响应的视觉评估
7. Visual Assessment of Angular Response in Medical Liquid Crystal Displays [O] . Badano, Aldo, Schneider, Sarah, Samei, Ehsan 2006

机译：医用液晶显示器角响应的视觉评估
8. Visual Evaluation Near the Threshold of Acuity of Five Color Liquid Crystal FlatPanel Displays [R] . Harding, T. H., Martin, J. S., Beasley, H. H., 1997

机译：五色液晶平板显示器临界阈值附近的视觉评估

Visual Assessment of Angular Response in Medical Liquid Crystal Displays

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