Method and system for noise cleaning of photoplethysmogram signals

US9855012B2 · kind B2 · utility

Assignee

• Tata Consultancy Services Limited · IN

Inventors

• Rohan Banerjee · Sherghati, IN
• Anirban Dutta Choudhury · Sherghati, IN
• Aniruddha Sinha · Narayanpur, IN
• Avik Ghose · Sherghati, IN
• Arpan Pal · Sherghati, IN

Key dates

• Filing date: Mar 17, 2016
• Grant date: Jan 2, 2018
• Expiry date: Jun 29, 2036

Classification

• Technology area (CPC G): Physics
• CPC primary: G06T2207/30104
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A method and system is provided for noise cleaning of photoplethysmogram signals. The method and system is disclosed for noise cleaning of photoplethysmogram signals for estimating blood pressure of a user; wherein photoplethysmogram signals are extracting from the user; the extracted photoplethysmogram signals are up sampled; the up sampled photoplethysmogram signals are filtered; uneven baseline drift of each cycle is removed from the up sampled and filtered photoplethysmogram signals; outlier cycles of the photoplethysmogram signals are removed and remaining cycles of the photoplethysmogram signals are modeled; and time domain features are extracted from originally extracted and modeled photoplethysmogram signals for estimating blood pressure of the user.