The segmentation ceiling: why explicit left-ventricular masks do not improve learned ejection-fraction regression

arXiv:2609.19730 · eess.IV, cs.CV · Submitted 2026-09-17 · Read on arXiv

eess.IV, cs.CV

Submitted: 2026-09-17

Updated: 2026-10-07

Code: https://github.com/farhadcomp/echo-ef-ceiling

Project page: https://echonet.github.io/dynamic

Terminology

• Accuracy — 30× in this paper · explained in 1 episode
• Consistency — 13× in this paper · explained in 3 episodes
• Generalization — 10× in this paper · explained in 13 episodes
• Transformer — 10× in this paper · explained in 2 episodes
• AUC — 6× in this paper · explained in 2 episodes
• Calibration — 4× in this paper · explained in 7 episodes
• Medical Image Computing and Computer Assisted Intervention — 3× in this paper
• Regularization — 3× in this paper · explained in 3 episodes
• Data Augmentation — 2× in this paper · explained in 7 episodes
• Empirical Coverage — 2× in this paper · explained in 2 episodes
• Exponential Moving Average (EMA) — 2× in this paper · explained in 2 episodes
• International Conference on Learning Representations — 2× in this paper
• Temporal consistency — 2× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Foundation Model — 1× in this paper · explained in 3 episodes
• Foundation Models — 1× in this paper · explained in 7 episodes
• Generative AI — 1× in this paper · explained in 2 episodes
• Redundancy — 1× in this paper · explained in 2 episodes
• Representation Learning — 1× in this paper · explained in 2 episodes
• Systematic Bias — 1× in this paper · explained in 3 episodes
• Trace — 1× in this paper · explained in 2 episodes
• Transformer Architecture — 1× in this paper · explained in 2 episodes
• Uncertainty Quantification — 1× in this paper · explained in 8 episodes

Sources

• Generative Regression for Left Ventricular Ejection Fraction Estimation from Echocardiography Video
• EchoJEPA: A Latent Predictive Foundation Model for Echocardiography
• Hierarchical Spatio-temporal Segmentation Network for Ejection Fraction Estimation in Echocardiography Videos
• Uncertainty Propagation for Echocardiography Clinical Metric Estimation via Contour Sampling
• Rethinking Atrous Convolution for Semantic Image Segmentation

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