Simultaneous Reduction in Noise and Cross-Contamination Artifacts for Dual-Energy X-Ray CT
المؤلفون المشاركون
Li, Baojun
Li, Baohong
Luo, Jack
Tang, Peng
Mao, Jiandong
Wu, Xiaoye
المصدر
العدد
المجلد 2013، العدد 2013 (31 ديسمبر/كانون الأول 2013)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2013-06-19
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
Purpose.
Dual-energy CT imaging tends to suffer from much lower signal-to-noise ratio than single-energy CT.
In this paper, we propose an improved anticorrelated noise reduction (ACNR) method without causing cross-contamination artifacts.
Methods.
The proposed algorithm diffuses both basis material density images (e.g., water and iodine) at the same time using a novel correlated diffusion algorithm.
The algorithm has been compared to the original ACNR algorithm in a contrast-enhanced, IRB-approved patient study.
Material density accuracy and noise reduction are quantitatively evaluated by the percent density error and the percent noise reduction.
Results.
Both algorithms have significantly reduced the noises of basis material density images in all cases.
The average percent noise reduction is 69.3% and 66.5% with the ACNR algorithm and the proposed algorithm, respectively.
However, the ACNR algorithm alters the original material density by an average of 13% (or 2.18 mg/cc) with a maximum of 58.7% (or 8.97 mg/cc) in this study.
This is evident in the water density images as massive cross-contaminations are seen in all five clinical cases.
On the contrary, the proposed algorithm only changes the mean density by 2.4% (or 0.69 mg/cc) with a maximum of 7.6% (or 1.31 mg/cc).
The cross-contamination artifacts are significantly minimized or absent with the proposed algorithm.
Conclusion.
The proposed algorithm can significantly reduce image noise present in basis material density images from dual-energy CT imaging, with minimized cross-contaminations compared to the ACNR algorithm.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Li, Baojun& Li, Baohong& Luo, Jack& Tang, Peng& Mao, Jiandong& Wu, Xiaoye. 2013. Simultaneous Reduction in Noise and Cross-Contamination Artifacts for Dual-Energy X-Ray CT. BioMed Research International،Vol. 2013, no. 2013, pp.1-8.
https://search.emarefa.net/detail/BIM-1004265
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Li, Baojun…[et al.]. Simultaneous Reduction in Noise and Cross-Contamination Artifacts for Dual-Energy X-Ray CT. BioMed Research International No. 2013 (2013), pp.1-8.
https://search.emarefa.net/detail/BIM-1004265
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Li, Baojun& Li, Baohong& Luo, Jack& Tang, Peng& Mao, Jiandong& Wu, Xiaoye. Simultaneous Reduction in Noise and Cross-Contamination Artifacts for Dual-Energy X-Ray CT. BioMed Research International. 2013. Vol. 2013, no. 2013, pp.1-8.
https://search.emarefa.net/detail/BIM-1004265
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1004265
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر