The latest trends in attention mechanisms and their application in medical imaging

Hyungseob Shin, Jeongryong Lee, Taejoon Eo, Yohan Jun, Sewon Kim, Dosik Hwang

Research output: Contribution to journalReview articlepeer-review

Abstract

Deep learning has recently achieved remarkable results in the field of medical imaging. However, as a deep learning network becomes deeper to improve its performance, it becomes more difficult to interpret the processes within. This can especially be a critical problem in medical fields where diagnostic decisions are directly related to a patient's survival. In order to solve this, explainable artificial intelligence techniques are being widely studied, and an attention mechanism was developed as part of this approach. In this paper, attention techniques are divided into two types: post hoc attention, which aims to analyze a network that has already been trained, and trainable attention, which further improves network performance. Detailed comparisons of each method, examples of applications in medical imaging, and future perspectives will be covered.

Original languageEnglish
Pages (from-to)1305-1333
Number of pages29
JournalJournal of the Korean Society of Radiology
Volume81
Issue number6
DOIs
Publication statusPublished - 2020 Nov

Bibliographical note

Funding Information:
This research was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT (2019R1A2B5B01070488). This research was results of a study on the “HPC Support” Project, supported by the ‘Ministry of Science and ICT’ and NIPA. This work has been supported by Y-BASE R&E Institute a Brain Korea 21, Yonsei University.

Publisher Copyright:
© 2020 Universidad de Sevilla. All rights reserved.

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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