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Related Experiment Video

Updated: Jun 8, 2026

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach
04:29

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach

Published on: June 30, 2023

A novel model-based 3D +time left ventricular segmentation technique.

Stephen P O'Brien1, Ovidiu Ghita, Paul F Whelan

  • 1Centre for Image Processing and Analysis, Dublin City University, Dublin 9, Ireland. stephen.obrien32@mail.dcu.ie

IEEE Transactions on Medical Imaging
|October 19, 2010
PubMed
Summary
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This study introduces a novel bottom-up approach for segmenting complex 3D+time cardiac structures, overcoming limitations of traditional top-down methods. The new framework offers scalable segmentation with reduced training, improving accuracy for cardiac left ventricle analysis.

Area of Science:

  • Medical Imaging
  • Computer Vision
  • Biomedical Engineering

Background:

  • Traditional top-down modeling for segmentation is infeasible for complex 3D+time structures like the cardiac left ventricle.
  • Challenges include high training demands, alignment issues, and local minima in model-based segmentation.

Purpose of the Study:

  • To present an alternative bottom-up modeling approach for scalable cardiac left ventricle segmentation.
  • To introduce a flexible contour coupling technique for adapting to novel contour configurations.

Main Methods:

  • Developed a bottom-up framework combining variation from multiple dimensionally-targeted models at segmentation-time.
  • Implemented a flexible contour coupling technique to identify endo- and epicardium contours at segmentation-time.

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3D Whole-heart Myocardial Tissue Analysis
06:53

3D Whole-heart Myocardial Tissue Analysis

Published on: April 12, 2017

Related Experiment Videos

Last Updated: Jun 8, 2026

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach
04:29

Three-Dimensional Modeling of the Left Atrium and Pulmonary Veins with a Precise Intracardiac Echocardiography Approach

Published on: June 30, 2023

3D Whole-heart Myocardial Tissue Analysis
06:53

3D Whole-heart Myocardial Tissue Analysis

Published on: April 12, 2017

  • Applied and evaluated the approach on 33 3D+time cardiac MRI datasets.

    • Main Results:

    • The bottom-up approach avoids the "curse of dimensionality," offering a scalable segmentation framework.
    • The contour coupling technique successfully adapts to unseen configurations outside the training set.
    • Quantitative evaluation shows significantly reduced training requirements compared to state-of-the-art model-based methods, with maintained or improved segmentation accuracy.

    Conclusions:

    • The proposed bottom-up modeling approach provides a scalable and efficient solution for segmenting complex cardiac structures.
    • The flexible contour coupling enhances adaptability and robustness, outperforming existing methods in training efficiency and accuracy.