SAS Institute’s patented system uses wearable heart-rate sensors to detect heartbeats, applying noise reduction techniques like lowpass filters and wavelet transforms. The system identifies R-peaks, generates a heart rate curve, and outputs accurate heart rate data. This innovative technology ensures precise monitoring of heart health. GlobalData’s report on SAS Institute gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on SAS Institute, Facial recognition AI was a key innovation area identified from patents. SAS Institute's grant share as of April 2024 was 82%. Grant share is based on the ratio of number of grants to total number of patents.

Heart-rate detection system using noise-reduction process

Source: United States Patent and Trademark Office (USPTO). Credit: SAS Institute Inc

A recently granted patent (Publication Number: US11950933B1) discloses a system designed to process heartbeat data collected by a wearable heart-rate sensor worn by an individual. The system includes one or more processors and memories containing program code for executing a noise-reduction process on the heartbeat data. This process involves applying a series of filters and transforms to reduce noise and motion artifacts, ultimately generating accurate heart rate data. The system further includes features such as peak detection, curve generation, and filtering techniques to enhance the accuracy of the heart rate data outputted for the wearer.

Additionally, the patent describes methods for displaying the heart rate data on a device, determining cutoff frequencies for filters based on spectral density analysis, and utilizing wavelet transforms for noise reduction. The system is also capable of transmitting the processed heart rate data over a network to remote computing devices. By combining various filtering and processing techniques, the system aims to provide precise and reliable heart rate data, even in the presence of sensor movement against the wearer's skin. Overall, the patented system offers a comprehensive solution for accurately monitoring and analyzing heart rate data collected from wearable sensors, catering to the growing demand for reliable health monitoring technologies.

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