Carotid Bifurcation Plaque Stability Estimation Based on Motion Analysis

Efthyvoulos Kyriacou, Andrew Nicolaides, Alexandra Constantinou, Maura Griffin, Christos Loizou, Marios S. Pattichis, Hamed Nasrabadi, Constantinos S. Pattichis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Through this study we are presenting the initial steps towards a real time motion analysis system to predict the stability of carotid bifurcation plaques. The analysis is performed on B-mode video loops. Loops are analyzed in order to follow systole and diastole sections of the cardiac cycle and trace the motion of plaques during these periods. We had created a system that applies Farnebacks optical flow estimation method in order to estimate the flow between consecutive frames or frames at a predefined interval. Over each pair of video frames we measure velocities, orientation and magnitude of movement. The goal is to identify if a plaque has movement spread to different angles or at nearby angles. This can help us identify discordant or concordant movement. In order to verify our system we had created a set of simulated videos that have structures moving in a similar way as done in a cardiac cycle and videos that move and appear as an atherosclerotic artery. Following these tests the system has been tested and results are presented on two carotid plaques videos classified visually as having concordant and discordant plaque movement.

Original languageEnglish
Title of host publicationProceedings - 2017 IEEE 30th International Symposium on Computer-Based Medical Systems, CBMS 2017
EditorsPanagiotis D. Bamidis, Stathis Th. Konstantinidis, Pedro Pereira Rodrigues
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages529-534
Number of pages6
Volume2017-June
ISBN (Electronic)9781538617106
DOIs
Publication statusPublished - 10 Nov 2017
Event30th IEEE International Symposium on Computer-Based Medical Systems, CBMS 2017 - Thessaloniki, Greece
Duration: 22 Jun 201724 Jun 2017

Other

Other30th IEEE International Symposium on Computer-Based Medical Systems, CBMS 2017
CountryGreece
CityThessaloniki
Period22/06/1724/06/17

Keywords

  • Atherosclerotic plaue
  • Carotid Bifurcation
  • Plaque motion analysis
  • ultrasound B-mode

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    Kyriacou, E., Nicolaides, A., Constantinou, A., Griffin, M., Loizou, C., Pattichis, M. S., Nasrabadi, H., & Pattichis, C. S. (2017). Carotid Bifurcation Plaque Stability Estimation Based on Motion Analysis. In P. D. Bamidis, S. T. Konstantinidis, & P. P. Rodrigues (Eds.), Proceedings - 2017 IEEE 30th International Symposium on Computer-Based Medical Systems, CBMS 2017 (Vol. 2017-June, pp. 529-534). [8104251] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/CBMS.2017.52