MUMBAI, India, Feb. 13 -- Intellectual Property India has published a patent application (202641007495 A) filed by Vellore Institute Of Technology, Vellore, Tamil Nadu, on Jan. 26, for 'a pacemaker-aware adaptive time-frequency method for electrocardiogram signal classification.'
Inventor(s) include Mrunmayee Mohanty; Dr. Sivakumar R; and Dr. E. Konguvel.
The application for the patent was published on Feb. 13, under issue no. 07/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a method and system for classifying electrocardiogram (ECG) signals using pacemaker-aware adaptive time-frequency analysis. An ECG signal (300) is acquired and processed by a pacemaker-aware adaptive time-frequency transformation module (100), wherein transformation parameters are dynamically adjusted in response to signal characteristics associated with pacemaker-induced electrical pulses. An adaptive spectrogram (400) is generated from the transformed ECG signal such that pacing artifacts are preserved together with underlying cardiac rhythm information. The adaptive spectrogram is normalized and provided to a classification module (100) for extracting features and classifying the ECG signal. The method steps are executed in accordance with a pacemaker-aware adaptive ECG processing flow (200), and the adaptive transformation is distinguished from a standard fixed-parameter transformation as illustrated by comparative representations (500). The system improves reliability and robustness of ECG signal representation and classification in the presence of pacemaker-induced electrical artifacts."
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