Object Classification in an Ultrasound Video Using LP-SIFT Features

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• 作者：Mohammad Ali Maraci (21)
  Raffaele Napolitano (22)
  Aris Papageorghiou (22)
  J. Allison Noble (21)
  
• 刊名：Lecture Notes in Computer Science
• 出版年：2014
• 出版时间：2014
• 年：2014
• 卷：1
• 期：1
• 页码：71-81
• 全文大小：6,739 KB
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• 作者单位：Mohammad Ali Maraci (21)
  Raffaele Napolitano (22)
  Aris Papageorghiou (22)
  J. Allison Noble (21)
  
  21. Department of Engineering Science, Center for Doctoral Training, Institute of Biomedical Engineering, University of Oxford, Oxford, UK
  22. Nuffield Department of Obstetrics and Gynaecology, University of Oxford, Oxford, UK
  
• ISSN：1611-3349

文摘

The advantages of ultrasound (US) over other medical imaging modalities have provided a platform for its wide use in many medical fields, both for diagnostic and therapeutic purposes. However one of the?limiting factors which has affected wide adoption of this cost-effective technology is requiring highly skilled sonographers and operators. We consider this problem in this paper which is motivated by advancements within the computer vision community. Our approach combines simple and standardized clinical ultrasound procedures with machine learning driven imaging solutions to provide users who have limited clinical experience, to perform simple diagnostic decisions (such as detection of a fetal breech presentation). We introduce LP-SIFT features constructed using the well-known SIFT features, utilizing a set of feature symmetry filters. We also illustrate how such features can be used in a bag of visual words representation on ultrasound images for classification of anatomical structures that have significant clinical implications in fetal health such as the fetal head, heart and abdomen, despite the high presence of speckle, shadows and other imaging artifacts in ultrasound images.