OPTICAL FLOW TO ANALYSE STABILISED IMAGES OF THE BEATING HEART

Martin Gröger, Gerd Hirzinger

2006

Abstract

An optical flow method is developed to analyse the motion of the beating heart surface and the efficacy of strategies to stabilise this motion. Although reduced by mechanical stabilisers, residual tissue motion makes safe surgery still difficult and time consuming. Compensation for this movement is therefore highly desirable. Images of the heart surface, captured by a video endoscope, can be further stabilised based on motion information obtained by tracking natural landmarks in realtime. The remaining motion on the heart surface is assessed by a specially developed optical flow approach: It estimates the image velocities based on a robust region-based strategy and provides a reliable measure of the motion field of the heart. The analysis shows that tissue motion can be reduced by a global motion correction strategy while local motion differences remain.

References

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Paper Citation


in Harvard Style

Gröger M. and Hirzinger G. (2006). OPTICAL FLOW TO ANALYSE STABILISED IMAGES OF THE BEATING HEART . In Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP, ISBN 972-8865-40-6, pages 237-244. DOI: 10.5220/0001378602370244


in Bibtex Style

@conference{visapp06,
author={Martin Gröger and Gerd Hirzinger},
title={OPTICAL FLOW TO ANALYSE STABILISED IMAGES OF THE BEATING HEART},
booktitle={Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP,},
year={2006},
pages={237-244},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0001378602370244},
isbn={972-8865-40-6},
}


in EndNote Style

TY - CONF
JO - Proceedings of the First International Conference on Computer Vision Theory and Applications - Volume 2: VISAPP,
TI - OPTICAL FLOW TO ANALYSE STABILISED IMAGES OF THE BEATING HEART
SN - 972-8865-40-6
AU - Gröger M.
AU - Hirzinger G.
PY - 2006
SP - 237
EP - 244
DO - 10.5220/0001378602370244