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Machine Learning for Medical Imaging - 2017

Research Area:  Machine Learning

Abstract:

Machine learning is a technique for recognizing patterns that can be applied to medical images. Although it is a powerful tool that can help in rendering medical diagnoses, it can be misapplied. Machine learning typically begins with the machine learning algorithm system computing the image features that are believed to be of importance in making the prediction or diagnosis of interest. The machine learning algorithm system then identifies the best combination of these image features for classifying the image or computing some metric for the given image region. There are several methods that can be used, each with different strengths and weaknesses. There are open-source versions of most of these machine learning methods that make them easy to try and apply to images. Several metrics for measuring the performance of an algorithm exist; however, one must be aware of the possible associated pitfalls that can result in misleading metrics. More recently, deep learning has started to be used; this method has the benefit that it does not require image feature identification and calculation as a first step; rather, features are identified as part of the learning process. Machine learning has been used in medical imaging and will have a greater influence in the future.

Author(s) Name:  Bradley J Erickson , Panagiotis Korfiatis , Zeynettin Akkus , Timothy L Kline

Journal name:  Radiographics

Conferrence name:  

Publisher name:  PubMed

DOI:  10.1148/rg.2017160130

Volume Information:   Mar-Apr 2017, Volume 37, Issue (2), Pages: 505-515.