New app uses smartphone camera to read pulse in 5 secs - Daily News & Analysis

A Japanese multinational company has revealed its new software that can measure a person's pulse rate through a tablet or a smartphone camera. Fujitsu said that the technology, which reads the amount of haemoglobin in a person's face, could be used to monitor employees' health or detect people acting dishonestly or suspiciously. The firm said that the software can give an accurate pulse reading when the camera is pointed at a face for five seconds, the Independent reported. The company said in a statement that one characteristic of haemoglobin in blood is that it absorbs green light. Fujitsu explained that based on this fact, the technology detects a person's pulse by measuring changes in the brightness of the person's face as blood flows through it. The firm asserted that the technology works by shooting video of a subject and calculating average values for the colour components (red/green/blue) in a certain area of the face for each frame. It added that it removes irrelevant signal data that is present in all three colour components and extracts the brightness waveform from the green component. The company hopes to make the software commercially available before April 2014. via Technology - Google News http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNF6xTHA5nerWbZGcqtfrMSSl3qdfQ&url=http://www.dnaindia.com/scitech/report_new-app-uses-smartphone-camera-to-read-pulse-in-5-secs_1813054

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