Multi-frame Attention Network for Left Ventricle Segmentation in 3D Echocardiography

Shawn S Ahn1, Kevinminh Ta1, Stephanie Thorn2

  • 1Department of Biomedical Engineering, Yale University, New Haven, CT, USA.

Medical Image Computing and Computer-Assisted Intervention : MICCAI ... International Conference on Medical Image Computing and Computer-Assisted Intervention
|November 3, 2021
PubMed

Insights

This study introduces a novel multi-frame attention network for segmenting the left ventricle in 3D echocardiography. The method significantly improves segmentation accuracy by utilizing spatiotemporal features from image sequences.

Area of Science:

  • Cardiovascular Imaging
  • Medical Image Analysis
  • Deep Learning in Healthcare

Background:

  • Echocardiography is vital for cardiovascular health assessment.
  • Left ventricle segmentation is critical for quantifying ejection fraction.
  • Accurate segmentation in 3D echocardiography is challenging.

Purpose of the Study:

  • To develop an improved method for left ventricle segmentation in 3D echocardiography.
  • To leverage multi-frame attention mechanisms for enhanced segmentation performance.
  • To address the challenges of manual and semi-automated segmentation in cardiac imaging.

Main Methods:

  • Proposed a novel multi-frame attention network for 3D echocardiography segmentation.
  • The network utilizes spatiotemporal features from image sequences.
  • Evaluated on 51 in vivo porcine 3D+time echocardiography datasets.

Main Results:

  • The multi-frame attention network significantly improved left ventricle segmentation performance.
  • Utilizing correlated spatiotemporal features enhanced segmentation accuracy.
  • Outperformed standard deep learning-based medical image segmentation models.

Conclusions:

  • The proposed multi-frame attention network offers a robust solution for left ventricle segmentation in 3D echocardiography.
  • This approach enhances the accuracy of clinical measurements like ejection fraction.
  • The method shows promise for improving automated cardiac image analysis.