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Psychophysical evaluation of calibration curve for diagnostic LCD monitor
http://hdl.handle.net/2297/3726
http://hdl.handle.net/2297/372685cde741-aff2-4e84-8ddb-683121f224a5
名前 / ファイル | ライセンス | アクション |
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ME-PR-SANADA-S-653.pdf (235.9 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Psychophysical evaluation of calibration curve for diagnostic LCD monitor | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Uemura, Masanobu
× Uemura, Masanobu× Asai, Yoshiyuki× Yamaguchi, Michihiro× Fujita, Hideki× Shintani, Yuko× Sanada, Shigeru |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学大学院医学系研究科量子医療技術学 | |||||
書誌情報 |
Radiation Medicine - Medical Imaging and Radiation Oncology 巻 24, 号 10, p. 653-658, 発行日 2006-12-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-2043 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1007/s11604-006-0085-3 | |||||
出版者 | ||||||
出版者 | Springer Verlag | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Purpose. In 1998, Digital Imaging Communications in Medicine (DICOM) proposed a calibration tool, the grayscale standard display function (GSDF), to obtain output consistency of radiographs. To our knowledge, there have been no previous reports of investigating the relation between perceptual linearity and detectability on a calibration curve. Materials and methods. To determine a suitable calibration curve for diagnostic liquid crystal display (LCD) monitors, the GSDF and Commission Internationale de l'Eclairage (CIE) curves were compared using psychophysical gradient δ and receiver operating characteristic (ROC) analysis for clinical images. Results. We succeeded in expressing visually recognized contrast directly using δ instead of the just noticeable difference (JND) index of the DICOM standard. As a result, we found that the visually recognized contrast at low luminance areas on the LCD monitor calibrated by the CIE curve is higher than that calibrated by the GSDF curve. On the ROC analysis, there was no significant difference in tumor detectability between GSDF and CIE curves for clinical thoracic images. However, the area parameter Az of the CIE curve is superior to that of the GSDF curve. The detectability of tumor shadows in the thoracic region on clinical images using the CIE curve was superior to that using the GSDF curve owing to the high absolute value of δ in the low luminance range. Conclusion. We conclude that the CIE curve is the most suitable tool for calibrating diagnostic LCD monitors, rather than the GSDF curve. © Japan Radiological Society 2006. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |