Abstract
We proposed a multi-view SA-LA model for simultaneous segmentation of RV on the short-axis (SA) and long-axis (LA) cardiac MR images. The multi-view SA-LA model is a multi-encoder, multi-decoder U-Net architecture based on the U-Net model. One encoder-decoder pair segments the RV on SA images and the other pair on LA images. Multi-view SA-LA model assembles an extremely rich set of synergistic features, at the root of the encoder branch, by combining feature maps learned from matched SA and LA cardiac MR images. Segmentation performance is further enhanced by: (1) incorporating spatial context of LV as a prior and (2) performing deep supervision in the last three layers of the decoder branch. Multi-view SA-LA model was extensively evaluated on the MICCAI 2021 Multi- Disease, Multi-View, and Multi- Centre RV Segmentation Challenge dataset (M&Ms-2021). M&Ms-2021 dataset consists of multi-phase, multi-view cardiac MR images of 360 subjects acquired at four clinical centers with three different vendors. On the challenge cohort (160 subjects), the proposed multi-view SA-LA model achieved a Dice Score of 91 % and Hausdorff distance of 11.2 mm on short-axis images and a Dice Score of 89.6 % and Hausdorff distance of 8.1 mm on long-axis images. Moreover, multi-view SA-LA model exhibited strong generalization to unseen RV related pathologies including Dilated Right Ventricle (DSC: SA 91.41 %, LA 89.63 % ) and Tricuspidal Regurgitation (DSC: SA 91.40 %, LA 90.40 % ) with low variance (σDSC : SA < 5 %, LA < 6 % ).
| Original language | English |
|---|---|
| Title of host publication | Statistical Atlases and Computational Models of the Heart. Multi-Disease, Multi-View, and Multi-Center Right Ventricular Segmentation in Cardiac MRI Challenge - 12th International Workshop, STACOM 2021, Held in Conjunction with MICCAI 2021, Revised Selected Papers |
| Editors | Esther Puyol Antón, Alistair Young, Avan Suinesiaputra, Mihaela Pop, Carlos Martín-Isla, Maxime Sermesant, Oscar Camara, Karim Lekadir |
| Publisher | Springer Science and Business Media Deutschland GmbH |
| Pages | 277-286 |
| Number of pages | 10 |
| ISBN (Print) | 9783030937218 |
| DOIs | |
| State | Published - 2022 |
| Externally published | Yes |
| Event | 12th International Workshop on Statistical Atlases and Computational Models of the Heart, STACOM 2021 held in conjunction with MICCAI 2021 - Strasbourg, France Duration: 27 Sep 2021 → 27 Sep 2021 |
Publication series
| Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
|---|---|
| Volume | 13131 LNCS |
| ISSN (Print) | 0302-9743 |
| ISSN (Electronic) | 1611-3349 |
Conference
| Conference | 12th International Workshop on Statistical Atlases and Computational Models of the Heart, STACOM 2021 held in conjunction with MICCAI 2021 |
|---|---|
| Country/Territory | France |
| City | Strasbourg |
| Period | 27/09/21 → 27/09/21 |
Bibliographical note
Publisher Copyright:© 2022, Springer Nature Switzerland AG.
Keywords
- Cardiac imaging
- Convolutional Neural Network
- Deep neural network
- Long-axis sequence
- Magnetic resonance imaging
- Right Ventricle
- Segmentation
- Short-axis sequence
- U-Net
ASJC Scopus subject areas
- Theoretical Computer Science
- General Computer Science
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