MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202631086897 A) filed by Indian Institute Of Technology Indian School Of Mines, Dhanbad on July 16, 2026, for A Phase-Aware Transformer System And Method For Automated Ejection Fraction Estimation From Echocardiographic Time-Series Data.
Inventors include Dr. Annavarapu Chandra Sekhara Rao; Kunal Roy; and Dr. G. Rajita.
The application for the patent was published on July 31, 2026, under issue no. 31/2026.
Abstract: Abstract A PHASE-AWARE TRANSFORMER SYSTEM AND METHOD FOR AUTOMATED EJECTION FRACTION ESTIMATION FROM ECHOCARDIOGRAPHIC TIME-SERIES DATA The present invention relates to a system (100) for automated estimation of ejection fraction from echocardiographic volume time-series data. The system (100) comprises a memory (104), at least one processor (102), an input module (110), a phase-aware masking module (120), a transformer-based encoder (130), a multi-task decoder (140), and an output module (108). The phase-aware masking module (120) identifies systolic and diastolic transition points and selectively masks cardiac-phase-critical temporal segments to generate masked volume data. The transformer-based encoder (130) generates latent feature representations therefrom. The multi-task decoder (140) reconstructs masked temporal segments, classifies cardiac phase, and generates an ejection fraction estimate. The encoder (130) and decoder (140) are jointly trained using a composite loss function. The output module (108) generates a report signal representative of the ejection fraction estimate for display on a display unit (106), enabling clinical assessment of cardiac function.
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