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Analysis of Geometric Accuracy in Digital Breast Tomosynthesis Reconstruction

机译：数字化乳房断层融合重建中的几何精度分析

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The geometric accuracy of a digital breast tomosynthesis (DBT) reconstruction algorithm was assessed using an anthropomorphic software breast phantom with simulated fiducial markers. The locations of the fiducial markers were measured from supersampled images reconstructed to sub-pixel precision. The measured locations were compared with the known ground truth positions of the simulated markers. The fiducial markers simulate small, attenuating objects within the software phantom. Using reconstructed images with resolution of 0.115 mm, and a total of twelve fiducial markers at three different depths, we determined an average difference of 0.105 mm (st. dev. 0.086 mm) between the estimated and true marker locations.

机译：使用具有模拟基准标记的拟人化软件乳房体模评估了数字乳房断层合成（DBT）重建算法的几何精度。从重建到亚像素精度的超采样图像中测量基准标记的位置。将测得的位置与模拟标记的已知地面真实位置进行比较。基准标记在软件模型中模拟较小的衰减对象。使用分辨率为0.115 mm的重建图像，以及在三个不同深度的总共十二个基准标记，我们确定了估计标记位置与真实标记位置之间的平均差值为0.105 mm（标准偏差0.086 mm）。

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来源
《Digital mammography》|2010年|p.62-69|共8页
会议地点 Girona(ES);Girona(ES)
作者
Predrag R. Bakic; Peter Ringer; Johnny Kuo; Susan Ng; Andrew D.A. Maidment;
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作者单位

University of Pennsylvania, Dept. of Radiology, Philadelphia, PA 19104;

Real-Time Tomography, LLC, Villanova, PA19085;

Real-Time Tomography, LLC, Villanova, PA19085;

Real-Time Tomography, LLC, Villanova, PA19085;

University of Pennsylvania, Dept. of Radiology, Philadelphia, PA 19104;

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原文格式 PDF
正文语种 eng
中图分类生物医学工程;
关键词
anthropomorphic breast phantom; tomosynthesis; tomographic reconstruction algorithms; geometric accuracy of tomographic reconstruction;

机译：拟人化的乳房幻像;断层合成层析重建算法；层析成像重建的几何精度;

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1. Digital breast tomosynthesis: a comparison of the accuracy of digital breast tomosynthesis, two-dimensional digital mammography and two-dimensional screening mammography (film-screen) [J] . MJ Michell, RK Wasan, P Whelehan, Breast Cancer Research . 2009,第Suppla2期

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2. THE DIAGNOSTIC ACCURACY OF DUAL-VIEW DIGITAL MAMMOGRAPHY, SINGLE-VIEW BREAST TOMOSYNTHESIS AND A DUAL-VIEW COMBINATION OF BREAST TOMOSYNTHESIS AND DIGITAL MAMMOGRAPHY IN A FREE-RESPONSE OBSERVER PERFORMANCE STUDY [J] . T. Svahn, I. Andersson, D. Chakraborty, Radiation Protection Dosimetry . 2010,第1a3期

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3. Reply to Letter to the Editor re: Diagnostic accuracy of digital breast tomosynthesis versus digital mammography for benign and malignant lesions in breasts: a meta-analysis [J] . Lei Junqiang, Yang Pin, Zhang Li, European radiology . 2014,第4期

机译：回复给编辑的信re：数字乳腺断层合成与数字乳腺X线摄影对乳腺良性和恶性病变的诊断准确性：一项荟萃分析
4. Analysis of Geometric Accuracy in Digital Breast Tomosynthesis Reconstruction [C] . Predrag R. Bakic, Peter Ringer, Johnny Kuo, International Workshop on Digital Mammography . 2010

机译：数字乳房断层合成重建几何准确性分析
5. Objective Characterization of Image Reconstruction Algorithms in Computed Tomography and Digital Breast Tomosynthesis [D] . Rose, Sean Douglas 2018

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6. Digital breast tomosynthesis: a comparison of the accuracy of digital breast tomosynthesis two-dimensional digital mammography and two-dimensional screening mammography (film-screen) [O] . MJ Michell, RK Wasan, P Whelehan, 2009

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7. Digital breast tomosynthesis: a comparison of the accuracy of digital breast tomosynthesis, two-dimensional digital mammography and two-dimensional screening mammography (film-screen) [O] . MJ Michell, RK Wasan, P Whelehan, 2009

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Analysis of Geometric Accuracy in Digital Breast Tomosynthesis Reconstruction

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