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medRxiv

MyoSTAT.AI: An AI-Driven Toolkit for Reproducible Benchmarking of Temporal Segmentation and Shear-Wave Velocity Stabilization on Synthetic Data

This work builds MyoSTAT.AI, a deterministic and fully reproducible benchmarking framework for cardiac ultrasound segmentation and shear-wave elastography (SWE) velocity-field stabilization evaluated entirely on synthetic data, comparing four U-Net-based architectures (2D, 2.5D, 3D, ConvLSTM) through single-variable ablation and six stabilization methods, and reports that the ConvLSTM variant achieved the highest segmentation accuracy (Dice 0.994, IoU 0.987, an 18.6 percentage-point gain over the 2D baseline Dice 0.808), that UNet2.5D with a 3-frame temporal window reached Dice 0.983 at lower latency (433 ms vs. 1193 ms), that TensorRT FP16 deployment sustained 341 FPS on an RTX 3060 and 90.