VecHeart: Holistic Four-Chamber Cardiac Anatomy Modeling via Hybrid VecSets
Accurate cardiac anatomy modeling requires the model to be able to handle intricate interrelations among structures. In this paper, we propose VecHeart, a unified framework for holistic reconstruction and generation of four-chamber cardiac structures. To overcome the limitations of current feed-forward implicit methods, specifically their restriction to single-object modeling and their neglect of inter-part correlations, we introduce Hybrid Part Transformer, which leverages part-specific learnable queries and interleaved attention to capture complex inter-chamber dependencies. Furthermore, we propose Anatomical Completion Masking and Modality Alignment strategies, enabling the model to in...
| Authors | Yihong Chen, Pascal Fua |
|---|---|
| Primary category | cs.CV |
| Published | 21 April 2026 |
| Last updated at source | 12 July 2026 |
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