Simplified Method for FROC Observer Study to Evaluate the Diagnostic Accuracy of a Digital Breast Imaging System by Using a CDMAM Phantom

被引：0

作者：

Tanaka, Rie ^{[1
]}

Akita, Fujiyo ^{[2
]}

Fukuoka, Daisuke ^{[3
]}

Bamba, Yusuke ^{[4
]}

Shiraishi, Junji ^{[5
]}

机构：

[1] Kanazawa Univ, Coll Med Pharmaceut & Hlth Sci, Sch Hlth Sci, Kanazawa, Ishikawa, Japan

[2] Shizuoka Canc Ctr, Dept Diagnost Imaging, Shizuoka, Japan

[3] Gifu Univ, Fac Educ, Dept Technol Educ, Gifu, Japan

[4] EIZO Corp, Visual Technol ASIC, R&D, Haku San, Japan

[5] Kumamoto Univ, Fac Life Sci, Kumamoto, Japan

来源：

BREAST IMAGING, IWDM 2016 | 2016年 / 9699卷

关键词：

FROC observer study; CDMAM; Digital mammography; Jackknife free-response receiver operating characteristic (JAFROC);

D O I：

10.1007/978-3-319-41546-8_11

中图分类号：

TP31 [计算机软件];

学科分类号：

081202 ; 0835 ;

摘要：

We propose a simplified method for performing an FROC observer study by using regions of interest (ROIs) of CDMAM phantom images as case sample images. This new method would help researchers to plan and perform FROC observer studies in shorter time, with smaller errors and reduced complexity. As examples of experimental procedure, the digital images obtained by a direct-conversion flat-panel detector (FPD) system in three imaging conditions with different levels of patient dose were used to compare the diagnostic accuracies for low-contrast signal detection. There was a high correlation between the average figure of merit (FOM) obtained by our proposed method and inverse image quality figure (inv. IQF) calculated by CDMAM Analyser 1.55 in each dose level (r = 0.98).

引用

页码：83 / 88

页数：6

共 22 条

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