Multimodal Contrastive Learning with ECG and Echocardiography for Ejection Fraction Estimation
Multimodal pretraining improved frozen DINO models over the uni-modal baseline, but its benefits diminished after fine-tuning, suggesting that encoder initialization and down-stream adaptation were more influential than increasingly complex echocardiographic supervision.
Jad Haidamous, Laura Valeria Perez-Herrera, Miriam Guti'errez et al.
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