Comparison of Liquid Crystal Display (LCD) of Medical-grade and General-grade LCD, and Tablet PC: Observer Performance Study

2014 Fiscal Year Final Research Report

• Project/Area Number: 24591753
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Radiation science
• Research Institution: Nagoya University
• Principal Investigator: YOSHIMURA Kumiko 名古屋大学, 医学(系)研究科(研究院), 教務職員 (90419151)
• Co-Investigator(Kenkyū-buntansha): NIHASHI Takashi 名古屋大学, 医学系研究科, 講師 (00426496)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Keywords: 医用モニタ / 読影実験 / 輝度 / 解像度

Outline of Final Research Achievements

The purpose of this study was to compare the reliability in medical use of radiographic image interpretation using medical-grade liquid crystal displays (LCDs) and general-grade LCDs (including the Tablet personal computer (PC)) by examining the observers’ performance and physical performance evaluation. When evaluating and comparing the performance of monitors, adopting luminance, contrast, modulation transfer function (MTF), and noise power spectrum (NPS) between medical-grade LCD and tablet PCs, the tablet PCs performance was equivalent to that of the medical-grade LCD. Observer performance for detecting cerebral infarction of brain computed tomography (CT) was higher on the medical-grade LCD than Tablet PC. Therefore, the Tablet PC could not substitute for medical-grade LCD monitor. However, as tablet PC has promising potentials such as portability, further examination is needed for the clinical situation using tablet PC.

Free Research Field

放射線科学